thys/Re.thy
author Christian Urban <christian dot urban at kcl dot ac dot uk>
Fri, 05 Feb 2016 10:16:10 +0000
changeset 95 a33d3040bf7e
parent 88 532bb9df225d
child 211 0fa636821349
permissions -rw-r--r--
started a paper and moved cruft to Attic
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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theory Re
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  imports "Main" 
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begin
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section {* Sequential Composition of Sets *}
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definition
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  Sequ :: "string set \<Rightarrow> string set \<Rightarrow> string set" ("_ ;; _" [100,100] 100)
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where 
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  "A ;; B = {s1 @ s2 | s1 s2. s1 \<in> A \<and> s2 \<in> B}"
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text {* Two Simple Properties about Sequential Composition *}
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lemma seq_empty [simp]:
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  shows "A ;; {[]} = A"
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  and   "{[]} ;; A = A"
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by (simp_all add: Sequ_def)
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lemma seq_null [simp]:
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  shows "A ;; {} = {}"
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  and   "{} ;; A = {}"
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by (simp_all add: Sequ_def)
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section {* Regular Expressions *}
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datatype rexp =
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  NULL
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| EMPTY
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| CHAR char
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| SEQ rexp rexp
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| ALT rexp rexp
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section {* Semantics of Regular Expressions *}
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fun
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  L :: "rexp \<Rightarrow> string set"
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where
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  "L (NULL) = {}"
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| "L (EMPTY) = {[]}"
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| "L (CHAR c) = {[c]}"
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| "L (SEQ r1 r2) = (L r1) ;; (L r2)"
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| "L (ALT r1 r2) = (L r1) \<union> (L r2)"
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fun
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 nullable :: "rexp \<Rightarrow> bool"
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where
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  "nullable (NULL) = False"
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| "nullable (EMPTY) = True"
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| "nullable (CHAR c) = False"
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| "nullable (ALT r1 r2) = (nullable r1 \<or> nullable r2)"
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| "nullable (SEQ r1 r2) = (nullable r1 \<and> nullable r2)"
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lemma nullable_correctness:
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  shows "nullable r  \<longleftrightarrow> [] \<in> (L r)"
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apply (induct r) 
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apply(auto simp add: Sequ_def) 
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done
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section {* Values *}
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datatype val = 
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  Void
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| Char char
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| Seq val val
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| Right val
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| Left val
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section {* The string behind a value *}
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fun 
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  flat :: "val \<Rightarrow> string"
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where
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  "flat(Void) = []"
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| "flat(Char c) = [c]"
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| "flat(Left v) = flat(v)"
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| "flat(Right v) = flat(v)"
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| "flat(Seq v1 v2) = flat(v1) @ flat(v2)"
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section {* Relation between values and regular expressions *}
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inductive 
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  Prf :: "val \<Rightarrow> rexp \<Rightarrow> bool" ("\<turnstile> _ : _" [100, 100] 100)
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where
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 "\<lbrakk>\<turnstile> v1 : r1; \<turnstile> v2 : r2\<rbrakk> \<Longrightarrow> \<turnstile> Seq v1 v2 : SEQ r1 r2"
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| "\<turnstile> v1 : r1 \<Longrightarrow> \<turnstile> Left v1 : ALT r1 r2"
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| "\<turnstile> v2 : r2 \<Longrightarrow> \<turnstile> Right v2 : ALT r1 r2"
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| "\<turnstile> Void : EMPTY"
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| "\<turnstile> Char c : CHAR c"
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lemma not_nullable_flat:
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  assumes "\<turnstile> v : r" "\<not>nullable r"
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  shows "flat v \<noteq> []"
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using assms
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apply(induct)
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apply(auto)
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done
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lemma Prf_flat_L:
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  assumes "\<turnstile> v : r" shows "flat v \<in> L r"
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using assms
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apply(induct v r rule: Prf.induct)
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apply(auto simp add: Sequ_def)
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done
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lemma L_flat_Prf:
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  "L(r) = {flat v | v. \<turnstile> v : r}"
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apply(induct r)
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apply(auto dest: Prf_flat_L simp add: Sequ_def)
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apply (metis Prf.intros(4) flat.simps(1))
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apply (metis Prf.intros(5) flat.simps(2))
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apply (metis Prf.intros(1) flat.simps(5))
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apply (metis Prf.intros(2) flat.simps(3))
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apply (metis Prf.intros(3) flat.simps(4))
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apply(erule Prf.cases)
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apply(auto)
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done
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section {* Greedy Ordering according to Frisch/Cardelli *}
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inductive 
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  GrOrd :: "val \<Rightarrow> val \<Rightarrow> bool" ("_ gr\<succ> _")
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where 
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  "v1 gr\<succ> v1' \<Longrightarrow> (Seq v1 v2) gr\<succ> (Seq v1' v2')"
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| "v2 gr\<succ> v2' \<Longrightarrow> (Seq v1 v2) gr\<succ> (Seq v1 v2')"
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| "v1 gr\<succ> v2 \<Longrightarrow> (Left v1) gr\<succ> (Left v2)"
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| "v1 gr\<succ> v2 \<Longrightarrow> (Right v1) gr\<succ> (Right v2)"
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| "(Left v2) gr\<succ>(Right v1)"
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| "(Char c) gr\<succ> (Char c)"
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| "(Void) gr\<succ> (Void)"
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lemma Gr_refl:
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  assumes "\<turnstile> v : r"
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  shows "v gr\<succ> v"
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using assms
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apply(induct)
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apply(auto intro: GrOrd.intros)
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done
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lemma Gr_total:
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  assumes "\<turnstile> v1 : r" "\<turnstile> v2 : r"
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  shows "v1 gr\<succ> v2 \<or> v2 gr\<succ> v1"
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using assms
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parents: 10
diff changeset
   145
apply(induct v1 r arbitrary: v2 rule: Prf.induct)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   146
apply(rotate_tac 4)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   147
apply(erule Prf.cases)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   148
apply(simp_all)[5]
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   149
apply(clarify)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   150
apply (metis GrOrd.intros(1) GrOrd.intros(2))
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   151
apply(rotate_tac 2)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   152
apply(erule Prf.cases)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   153
apply(simp_all)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   154
apply(clarify)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   155
apply (metis GrOrd.intros(3))
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   156
apply(clarify)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   157
apply (metis GrOrd.intros(5))
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   158
apply(rotate_tac 2)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   159
apply(erule Prf.cases)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   160
apply(simp_all)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   161
apply(clarify)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   162
apply (metis GrOrd.intros(5))
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   163
apply(clarify)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   164
apply (metis GrOrd.intros(4))
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   165
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   166
apply(simp_all)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   167
apply (metis GrOrd.intros(7))
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   168
apply(erule Prf.cases)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   169
apply(simp_all)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   170
apply (metis GrOrd.intros(6))
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   171
done
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   172
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   173
lemma Gr_trans: 
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parents: 10
diff changeset
   174
  assumes "v1 gr\<succ> v2" "v2 gr\<succ> v3" 
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   175
  and     "\<turnstile> v1 : r" "\<turnstile> v2 : r" "\<turnstile> v3 : r"
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parents: 10
diff changeset
   176
  shows "v1 gr\<succ> v3"
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   177
using assms
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   178
apply(induct r arbitrary: v1 v2 v3)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   179
apply(erule Prf.cases)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   180
apply(simp_all)[5]
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   181
apply(erule Prf.cases)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   182
apply(simp_all)[5]
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   183
apply(erule Prf.cases)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   184
apply(simp_all)[5]
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   185
apply(erule Prf.cases)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   186
apply(simp_all)[5]
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   187
apply(erule Prf.cases)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   188
apply(simp_all)[5]
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   189
defer
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   190
(* ALT case *)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   191
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   192
apply(simp_all (no_asm_use))[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   193
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   194
apply(simp_all (no_asm_use))[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   195
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   196
apply(simp_all (no_asm_use))[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   197
apply(clarify)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   198
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   199
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   200
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   201
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   202
apply (metis GrOrd.intros(3))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   203
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   204
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   205
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   206
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   207
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   208
apply (metis GrOrd.intros(5))
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   209
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   210
apply(simp_all (no_asm_use))[5]
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   211
apply(clarify)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   212
apply(erule GrOrd.cases)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   213
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   214
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   215
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   216
apply (metis GrOrd.intros(5))
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   217
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   218
apply(simp_all (no_asm_use))[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   219
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   220
apply(simp_all (no_asm_use))[5]
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   221
apply(clarify)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   222
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   223
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   224
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   225
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   226
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   227
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   228
apply(simp_all (no_asm_use))[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   229
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   230
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   231
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   232
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   233
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   234
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   235
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   236
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   237
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   238
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   239
apply (metis GrOrd.intros(4))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   240
(* SEQ case *)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   241
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   242
apply(simp_all (no_asm_use))[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   243
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   244
apply(simp_all (no_asm_use))[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   245
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   246
apply(simp_all (no_asm_use))[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   247
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   248
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   249
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   250
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   251
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   252
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   253
apply (metis GrOrd.intros(1))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   254
apply (metis GrOrd.intros(1))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   255
apply(erule GrOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   256
apply(simp_all (no_asm_use))[7]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   257
apply (metis GrOrd.intros(1))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   258
by (metis GrOrd.intros(1) Gr_refl)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   259
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   260
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   261
section {* Values Sets *}
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   262
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   263
definition prefix :: "string \<Rightarrow> string \<Rightarrow> bool" ("_ \<sqsubseteq> _" [100, 100] 100)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   264
where
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   265
  "s1 \<sqsubseteq> s2 \<equiv> \<exists>s3. s1 @ s3 = s2"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   266
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   267
definition sprefix :: "string \<Rightarrow> string \<Rightarrow> bool" ("_ \<sqsubset> _" [100, 100] 100)
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   268
where
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   269
  "s1 \<sqsubset> s2 \<equiv> (s1 \<sqsubseteq> s2 \<and> s1 \<noteq> s2)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   270
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   271
lemma length_sprefix:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   272
  "s1 \<sqsubset> s2 \<Longrightarrow> length s1 < length s2"
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   273
unfolding sprefix_def prefix_def
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   274
by (auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   275
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   276
definition Prefixes :: "string \<Rightarrow> string set" where
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   277
  "Prefixes s \<equiv> {sp. sp \<sqsubseteq> s}"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   278
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   279
definition Suffixes :: "string \<Rightarrow> string set" where
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   280
  "Suffixes s \<equiv> rev ` (Prefixes (rev s))"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   281
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   282
lemma Suffixes_in: 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   283
  "\<exists>s1. s1 @ s2 = s3 \<Longrightarrow> s2 \<in> Suffixes s3"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   284
unfolding Suffixes_def Prefixes_def prefix_def image_def
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   285
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   286
by (metis rev_rev_ident)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   287
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   288
lemma Prefixes_Cons:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   289
  "Prefixes (c # s) = {[]} \<union> {c # sp | sp. sp \<in> Prefixes s}"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   290
unfolding Prefixes_def prefix_def
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   291
apply(auto simp add: append_eq_Cons_conv) 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   292
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   293
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   294
lemma finite_Prefixes:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   295
  "finite (Prefixes s)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   296
apply(induct s)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   297
apply(auto simp add: Prefixes_def prefix_def)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   298
apply(simp add: Prefixes_Cons)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   299
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   300
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   301
lemma finite_Suffixes:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   302
  "finite (Suffixes s)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   303
unfolding Suffixes_def
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   304
apply(rule finite_imageI)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   305
apply(rule finite_Prefixes)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   306
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   307
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   308
lemma prefix_Cons:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   309
  "((c # s1) \<sqsubseteq> (c # s2)) = (s1 \<sqsubseteq> s2)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   310
apply(auto simp add: prefix_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   311
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   312
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   313
lemma prefix_append:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   314
  "((s @ s1) \<sqsubseteq> (s @ s2)) = (s1 \<sqsubseteq> s2)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   315
apply(induct s)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   316
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   317
apply(simp add: prefix_Cons)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   318
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   319
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   320
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   321
definition Values :: "rexp \<Rightarrow> string \<Rightarrow> val set" where
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   322
  "Values r s \<equiv> {v. \<turnstile> v : r \<and> flat v \<sqsubseteq> s}"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   323
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   324
definition rest :: "val \<Rightarrow> string \<Rightarrow> string" where
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   325
  "rest v s \<equiv> drop (length (flat v)) s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   326
88
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   327
lemma rest_flat:
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   328
  assumes "flat v1 \<sqsubseteq> s"
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   329
  shows "flat v1 @ rest v1 s = s"
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   330
using assms
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   331
apply(auto simp add: rest_def prefix_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   332
done
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   333
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   334
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   335
lemma rest_Suffixes:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   336
  "rest v s \<in> Suffixes s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   337
unfolding rest_def
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   338
by (metis Suffixes_in append_take_drop_id)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   339
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   340
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   341
lemma Values_recs:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   342
  "Values (NULL) s = {}"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   343
  "Values (EMPTY) s = {Void}"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   344
  "Values (CHAR c) s = (if [c] \<sqsubseteq> s then {Char c} else {})" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   345
  "Values (ALT r1 r2) s = {Left v | v. v \<in> Values r1 s} \<union> {Right v | v. v \<in> Values r2 s}"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   346
  "Values (SEQ r1 r2) s = {Seq v1 v2 | v1 v2. v1 \<in> Values r1 s \<and> v2 \<in> Values r2 (rest v1 s)}"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   347
unfolding Values_def
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   348
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   349
(*NULL*)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   350
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   351
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   352
(*EMPTY*)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   353
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   354
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   355
apply(rule Prf.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   356
apply (metis append_Nil prefix_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   357
(*CHAR*)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   358
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   359
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   360
apply(rule Prf.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   361
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   362
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   363
(*ALT*)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   364
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   365
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   366
apply (metis Prf.intros(2))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   367
apply (metis Prf.intros(3))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   368
(*SEQ*)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   369
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   370
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   371
apply (simp add: append_eq_conv_conj prefix_def rest_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   372
apply (metis Prf.intros(1))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   373
apply (simp add: append_eq_conv_conj prefix_def rest_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   374
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   375
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   376
lemma Values_finite:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   377
  "finite (Values r s)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   378
apply(induct r arbitrary: s)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   379
apply(simp_all add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   380
thm finite_surj
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   381
apply(rule_tac f="\<lambda>(x, y). Seq x y" and 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   382
               A="{(v1, v2) | v1 v2. v1 \<in> Values r1 s \<and> v2 \<in> Values r2 (rest v1 s)}" in finite_surj)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   383
prefer 2
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   384
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   385
apply(rule_tac B="\<Union>sp \<in> Suffixes s. {(v1, v2). v1 \<in> Values r1 s \<and> v2 \<in> Values r2 sp}" in finite_subset)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   386
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   387
apply (metis rest_Suffixes)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   388
apply(rule finite_UN_I)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   389
apply(rule finite_Suffixes)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   390
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   391
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   392
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   393
section {* Sulzmann functions *}
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   394
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   395
fun 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   396
  mkeps :: "rexp \<Rightarrow> val"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   397
where
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   398
  "mkeps(EMPTY) = Void"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   399
| "mkeps(SEQ r1 r2) = Seq (mkeps r1) (mkeps r2)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   400
| "mkeps(ALT r1 r2) = (if nullable(r1) then Left (mkeps r1) else Right (mkeps r2))"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   401
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   402
section {* Derivatives *}
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   403
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   404
fun
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   405
 der :: "char \<Rightarrow> rexp \<Rightarrow> rexp"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   406
where
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   407
  "der c (NULL) = NULL"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   408
| "der c (EMPTY) = NULL"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   409
| "der c (CHAR c') = (if c = c' then EMPTY else NULL)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   410
| "der c (ALT r1 r2) = ALT (der c r1) (der c r2)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   411
| "der c (SEQ r1 r2) = 
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   412
     (if nullable r1
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   413
      then ALT (SEQ (der c r1) r2) (der c r2)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   414
      else SEQ (der c r1) r2)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   415
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   416
fun 
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   417
 ders :: "string \<Rightarrow> rexp \<Rightarrow> rexp"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   418
where
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   419
  "ders [] r = r"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   420
| "ders (c # s) r = ders s (der c r)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   421
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   422
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   423
section {* Injection function *}
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   424
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   425
fun injval :: "rexp \<Rightarrow> char \<Rightarrow> val \<Rightarrow> val"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   426
where
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   427
  "injval (EMPTY) c Void = Char c"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   428
| "injval (CHAR d) c Void = Char d"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   429
| "injval (CHAR d) c (Char c') = Seq (Char d) (Char c')"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   430
| "injval (ALT r1 r2) c (Left v1) = Left(injval r1 c v1)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   431
| "injval (ALT r1 r2) c (Right v2) = Right(injval r2 c v2)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   432
| "injval (SEQ r1 r2) c (Char c') = Seq (Char c) (Char c')"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   433
| "injval (SEQ r1 r2) c (Seq v1 v2) = Seq (injval r1 c v1) v2"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   434
| "injval (SEQ r1 r2) c (Left (Seq v1 v2)) = Seq (injval r1 c v1) v2"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   435
| "injval (SEQ r1 r2) c (Right v2) = Seq (mkeps r1) (injval r2 c v2)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   436
85
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   437
fun 
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   438
  lex :: "rexp \<Rightarrow> string \<Rightarrow> val option"
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   439
where
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   440
  "lex r [] = (if nullable r then Some(mkeps r) else None)"
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   441
| "lex r (c#s) = (case (lex (der c r) s) of  
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   442
                    None \<Rightarrow> None
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   443
                  | Some(v) \<Rightarrow> Some(injval r c v))"
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   444
86
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   445
fun 
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   446
  lex2 :: "rexp \<Rightarrow> string \<Rightarrow> val"
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   447
where
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   448
  "lex2 r [] = mkeps r"
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   449
| "lex2 r (c#s) = injval r c (lex2 (der c r) s)"
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   450
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   451
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   452
section {* Projection function *}
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   453
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   454
fun projval :: "rexp \<Rightarrow> char \<Rightarrow> val \<Rightarrow> val"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   455
where
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   456
  "projval (CHAR d) c _ = Void"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   457
| "projval (ALT r1 r2) c (Left v1) = Left (projval r1 c v1)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   458
| "projval (ALT r1 r2) c (Right v2) = Right (projval r2 c v2)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   459
| "projval (SEQ r1 r2) c (Seq v1 v2) = 
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   460
     (if flat v1 = [] then Right(projval r2 c v2) 
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   461
      else if nullable r1 then Left (Seq (projval r1 c v1) v2)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   462
                          else Seq (projval r1 c v1) v2)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   463
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   464
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   465
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   466
lemma mkeps_nullable:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   467
  assumes "nullable(r)" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   468
  shows "\<turnstile> mkeps r : r"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   469
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   470
apply(induct rule: nullable.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   471
apply(auto intro: Prf.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   472
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   473
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   474
lemma mkeps_flat:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   475
  assumes "nullable(r)" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   476
  shows "flat (mkeps r) = []"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   477
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   478
apply(induct rule: nullable.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   479
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   480
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   481
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   482
lemma v3:
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   483
  assumes "\<turnstile> v : der c r" 
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   484
  shows "\<turnstile> (injval r c v) : r"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   485
using assms
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   486
apply(induct arbitrary: v rule: der.induct)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   487
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   488
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   489
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   490
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   491
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   492
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   493
apply(case_tac "c = c'")
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   494
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   495
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   496
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   497
apply (metis Prf.intros(5))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   498
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   499
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   500
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   501
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   502
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   503
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   504
apply (metis Prf.intros(2))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   505
apply (metis Prf.intros(3))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   506
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   507
apply(case_tac "nullable r1")
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   508
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   509
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   510
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   511
apply(auto)[1]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   512
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   513
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   514
apply(auto)[1]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   515
apply (metis Prf.intros(1))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   516
apply(auto)[1]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   517
apply (metis Prf.intros(1) mkeps_nullable)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   518
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   519
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   520
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   521
apply(auto)[1]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   522
apply(rule Prf.intros)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   523
apply(auto)[2]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   524
done
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   525
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   526
lemma v3_proj:
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   527
  assumes "\<turnstile> v : r" and "\<exists>s. (flat v) = c # s"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   528
  shows "\<turnstile> (projval r c v) : der c r"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   529
using assms
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   530
apply(induct rule: Prf.induct)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   531
prefer 4
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   532
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   533
prefer 4
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   534
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   535
apply (metis Prf.intros(4))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   536
prefer 2
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   537
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   538
apply (metis Prf.intros(2))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   539
prefer 2
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   540
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   541
apply (metis Prf.intros(3))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   542
apply(auto)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   543
apply(rule Prf.intros)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   544
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   545
apply (metis Prf_flat_L nullable_correctness)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   546
apply(rule Prf.intros)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   547
apply(rule Prf.intros)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   548
apply (metis Cons_eq_append_conv)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   549
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   550
apply(rule Prf.intros)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   551
apply (metis Cons_eq_append_conv)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   552
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   553
done
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   554
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   555
lemma v4:
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   556
  assumes "\<turnstile> v : der c r" 
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   557
  shows "flat (injval r c v) = c # (flat v)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   558
using assms
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   559
apply(induct arbitrary: v rule: der.induct)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   560
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   561
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   562
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   563
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   564
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   565
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   566
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   567
apply(case_tac "c = c'")
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   568
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   569
apply(auto)[1]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   570
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   571
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   572
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   573
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   574
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   575
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   576
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   577
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   578
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   579
apply(case_tac "nullable r1")
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   580
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   581
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   582
apply(simp_all (no_asm_use))[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   583
apply(auto)[1]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   584
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   585
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   586
apply(clarify)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   587
apply(simp only: injval.simps flat.simps)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   588
apply(auto)[1]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   589
apply (metis mkeps_flat)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   590
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   591
apply(erule Prf.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   592
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   593
done
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   594
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   595
lemma v4_proj:
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   596
  assumes "\<turnstile> v : r" and "\<exists>s. (flat v) = c # s"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   597
  shows "c # flat (projval r c v) = flat v"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   598
using assms
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   599
apply(induct rule: Prf.induct)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   600
prefer 4
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   601
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   602
prefer 4
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   603
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   604
prefer 2
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   605
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   606
prefer 2
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   607
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   608
apply(auto)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   609
by (metis Cons_eq_append_conv)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   610
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   611
lemma v4_proj2:
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   612
  assumes "\<turnstile> v : r" and "(flat v) = c # s"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   613
  shows "flat (projval r c v) = s"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   614
using assms
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   615
by (metis list.inject v4_proj)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   616
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   617
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   618
section {* Alternative Posix definition *}
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   619
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   620
inductive 
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   621
  PMatch :: "string \<Rightarrow> rexp \<Rightarrow> val \<Rightarrow> bool" ("_ \<in> _ \<rightarrow> _" [100, 100, 100] 100)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   622
where
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   623
  "[] \<in> EMPTY \<rightarrow> Void"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   624
| "[c] \<in> (CHAR c) \<rightarrow> (Char c)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   625
| "s \<in> r1 \<rightarrow> v \<Longrightarrow> s \<in> (ALT r1 r2) \<rightarrow> (Left v)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   626
| "\<lbrakk>s \<in> r2 \<rightarrow> v; s \<notin> L(r1)\<rbrakk> \<Longrightarrow> s \<in> (ALT r1 r2) \<rightarrow> (Right v)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   627
| "\<lbrakk>s1 \<in> r1 \<rightarrow> v1; s2 \<in> r2 \<rightarrow> v2;
84
f89372781a4c the algorithm is correct according to the Type Inference definition
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 83
diff changeset
   628
    \<not>(\<exists>s3 s4. s3 \<noteq> [] \<and> s3 @ s4 = s2 \<and> (s1 @ s3) \<in> L r1 \<and> s4 \<in> L r2)\<rbrakk> \<Longrightarrow> 
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   629
    (s1 @ s2) \<in> (SEQ r1 r2) \<rightarrow> (Seq v1 v2)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   630
86
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   631
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   632
lemma PMatch_mkeps:
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   633
  assumes "nullable r"
85
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   634
  shows "[] \<in> r \<rightarrow> mkeps r"
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   635
using assms
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   636
apply(induct r)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   637
apply(auto)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   638
apply (metis PMatch.intros(1))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   639
apply(subst append.simps(1)[symmetric])
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   640
apply (rule PMatch.intros)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   641
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   642
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   643
apply(auto)[1]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   644
apply (rule PMatch.intros)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   645
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   646
apply (rule PMatch.intros)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   647
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   648
apply (rule PMatch.intros)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   649
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   650
by (metis nullable_correctness)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   651
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   652
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   653
lemma PMatch1:
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   654
  assumes "s \<in> r \<rightarrow> v"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   655
  shows "\<turnstile> v : r" "flat v = s"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   656
using assms
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   657
apply(induct s r v rule: PMatch.induct)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   658
apply(auto)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   659
apply (metis Prf.intros(4))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   660
apply (metis Prf.intros(5))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   661
apply (metis Prf.intros(2))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   662
apply (metis Prf.intros(3))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   663
apply (metis Prf.intros(1))
84
f89372781a4c the algorithm is correct according to the Type Inference definition
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 83
diff changeset
   664
done
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   665
86
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   666
lemma PMatch_Values:
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   667
  assumes "s \<in> r \<rightarrow> v"
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   668
  shows "v \<in> Values r s"
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   669
using assms
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   670
apply(simp add: Values_def PMatch1)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   671
by (metis append_Nil2 prefix_def)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   672
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   673
lemma PMatch2:
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   674
  assumes "s \<in> (der c r) \<rightarrow> v"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   675
  shows "(c#s) \<in> r \<rightarrow> (injval r c v)"
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   676
using assms
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   677
apply(induct c r arbitrary: s v rule: der.induct)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   678
apply(auto)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   679
apply(erule PMatch.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   680
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   681
apply(erule PMatch.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   682
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   683
apply(case_tac "c = c'")
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   684
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   685
apply(erule PMatch.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   686
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   687
apply (metis PMatch.intros(2))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   688
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   689
apply(erule PMatch.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   690
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   691
apply(erule PMatch.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   692
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   693
apply (metis PMatch.intros(3))
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   694
apply(clarify)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   695
apply(rule PMatch.intros)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   696
apply metis
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   697
apply(simp add: L_flat_Prf)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   698
apply(auto)[1]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   699
thm v3_proj
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   700
apply(frule_tac c="c" in v3_proj)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   701
apply metis
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   702
apply(drule_tac x="projval r1 c v" in spec)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   703
apply(drule mp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   704
apply (metis v4_proj2)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   705
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   706
apply(case_tac "nullable r1")
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   707
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   708
defer
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   709
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   710
apply(erule PMatch.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   711
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   712
apply(clarify)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   713
apply(subst append.simps(2)[symmetric])
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   714
apply(rule PMatch.intros)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   715
apply metis
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   716
apply metis
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   717
apply(auto)[1]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   718
apply(simp add: L_flat_Prf)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   719
apply(auto)[1]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   720
apply(frule_tac c="c" in v3_proj)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   721
apply metis
84
f89372781a4c the algorithm is correct according to the Type Inference definition
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 83
diff changeset
   722
apply(drule_tac x="s3" in spec)
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   723
apply(drule mp)
84
f89372781a4c the algorithm is correct according to the Type Inference definition
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 83
diff changeset
   724
apply(rule_tac x="projval r1 c v" in exI)
f89372781a4c the algorithm is correct according to the Type Inference definition
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 83
diff changeset
   725
apply(rule conjI)
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   726
apply (metis v4_proj2)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   727
apply(simp)
84
f89372781a4c the algorithm is correct according to the Type Inference definition
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 83
diff changeset
   728
apply metis
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   729
(* nullable case *)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   730
apply(erule PMatch.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   731
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   732
apply(clarify)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   733
apply(erule PMatch.cases)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   734
apply(simp_all)[5]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   735
apply(clarify)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   736
apply(subst append.simps(2)[symmetric])
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   737
apply(rule PMatch.intros)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   738
apply metis
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   739
apply metis
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   740
apply(auto)[1]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   741
apply(simp add: L_flat_Prf)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   742
apply(auto)[1]
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   743
apply(frule_tac c="c" in v3_proj)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   744
apply metis
84
f89372781a4c the algorithm is correct according to the Type Inference definition
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 83
diff changeset
   745
apply(drule_tac x="s3" in spec)
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   746
apply(drule mp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   747
apply (metis v4_proj2)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   748
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   749
(* interesting case *)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   750
apply(clarify)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   751
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   752
thm L.simps
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   753
apply(subst (asm) L.simps(4)[symmetric])
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   754
apply(simp only: L_flat_Prf)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   755
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   756
apply(subst append.simps(1)[symmetric])
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   757
apply(rule PMatch.intros)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   758
apply (metis PMatch_mkeps)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   759
apply metis
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   760
apply(auto)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   761
apply(simp only: L_flat_Prf)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   762
apply(simp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   763
apply(auto)
84
f89372781a4c the algorithm is correct according to the Type Inference definition
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 83
diff changeset
   764
apply(drule_tac x="Seq (projval r1 c v) vb" in spec)
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   765
apply(drule mp)
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   766
apply(simp)
84
f89372781a4c the algorithm is correct according to the Type Inference definition
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 83
diff changeset
   767
apply (metis append_Cons butlast_snoc last_snoc neq_Nil_conv rotate1.simps(2) v4_proj2)
f89372781a4c the algorithm is correct according to the Type Inference definition
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 83
diff changeset
   768
apply(subgoal_tac "\<turnstile> projval r1 c v : der c r1")
f89372781a4c the algorithm is correct according to the Type Inference definition
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 83
diff changeset
   769
apply (metis Prf.intros(1))
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   770
apply(rule v3_proj)
84
f89372781a4c the algorithm is correct according to the Type Inference definition
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 83
diff changeset
   771
apply(simp)
f89372781a4c the algorithm is correct according to the Type Inference definition
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 83
diff changeset
   772
by (metis Cons_eq_append_conv)
83
a8bcb5a0f9b9 added POSIX relation from the Type-Inference paper
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 82
diff changeset
   773
86
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   774
lemma lex_correct1:
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   775
  assumes "s \<notin> L r"
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   776
  shows "lex r s = None"
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   777
using assms
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   778
apply(induct s arbitrary: r)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   779
apply(simp)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   780
apply (metis nullable_correctness)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   781
apply(auto)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   782
apply(drule_tac x="der a r" in meta_spec)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   783
apply(drule meta_mp)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   784
apply(auto)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   785
apply(simp add: L_flat_Prf)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   786
by (metis v3 v4)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   787
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   788
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   789
lemma lex_correct2:
85
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   790
  assumes "s \<in> L r"
86
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   791
  shows "\<exists>v. lex r s = Some(v) \<and> \<turnstile> v : r \<and> flat v = s"
85
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   792
using assms
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   793
apply(induct s arbitrary: r)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   794
apply(simp)
86
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   795
apply (metis mkeps_flat mkeps_nullable nullable_correctness)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   796
apply(drule_tac x="der a r" in meta_spec)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   797
apply(drule meta_mp)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   798
apply(simp add: L_flat_Prf)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   799
apply(auto)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   800
apply (metis v3_proj v4_proj2)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   801
apply (metis v3)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   802
apply(rule v4)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   803
by metis
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   804
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   805
lemma lex_correct3:
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   806
  assumes "s \<in> L r"
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   807
  shows "\<exists>v. lex r s = Some(v) \<and> s \<in> r \<rightarrow> v"
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   808
using assms
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   809
apply(induct s arbitrary: r)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   810
apply(simp)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   811
apply (metis PMatch_mkeps nullable_correctness)
85
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   812
apply(drule_tac x="der a r" in meta_spec)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
   813
apply(drule meta_mp)
86
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   814
apply(simp add: L_flat_Prf)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   815
apply(auto)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   816
apply (metis v3_proj v4_proj2)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   817
apply(rule PMatch2)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   818
apply(simp)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   819
done
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   820
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   821
lemma lex_correct4:
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   822
  assumes "s \<in> L r"
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   823
  shows "s \<in> r \<rightarrow> (lex2 r s)"
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   824
using assms
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   825
apply(induct s arbitrary: r)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   826
apply(simp)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   827
apply (metis PMatch_mkeps nullable_correctness)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   828
apply(simp)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   829
apply(rule PMatch2)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   830
apply(drule_tac x="der a r" in meta_spec)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   831
apply(drule meta_mp)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   832
apply(simp add: L_flat_Prf)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   833
apply(auto)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   834
apply (metis v3_proj v4_proj2)
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   835
done
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   836
87
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
   837
lemma 
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
   838
  "lex2 (ALT (CHAR a) (ALT (CHAR b) (SEQ (CHAR a) (CHAR b)))) [a,b] = Right (Right (Seq (Char a) (Char b)))"
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
   839
apply(simp)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
   840
done
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
   841
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
   842
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   843
section {* Sulzmann's Ordering of values *}
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   844
86
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   845
thm PMatch.intros
56dd3d1d479b added a proof about Values and PMatch
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 85
diff changeset
   846
88
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   847
inductive ValOrds :: "string \<Rightarrow> val \<Rightarrow> rexp \<Rightarrow> val \<Rightarrow> bool" ("_ \<turnstile> _ \<succ>_ _" [100, 100, 100] 100)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   848
where
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   849
  "\<lbrakk>s2 \<turnstile> v2 \<succ>r2 v2'; flat v1 = s1\<rbrakk> \<Longrightarrow> (s1 @ s2) \<turnstile> (Seq v1 v2) \<succ>(SEQ r1 r2) (Seq v1 v2')" 
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   850
| "\<lbrakk>s1 \<turnstile> v1 \<succ>r1 v1'; v1 \<noteq> v1'; flat v2 = s2; (flat v1' @ flat v2') \<sqsubseteq> (s1 @ s2)\<rbrakk> 
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   851
   \<Longrightarrow> s1 @ s2 \<turnstile> (Seq v1 v2) \<succ>(SEQ r1 r2) (Seq v1' v2')" 
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   852
| "\<lbrakk>(flat v2) \<sqsubseteq> (flat v1); flat v1 = s\<rbrakk> \<Longrightarrow> s \<turnstile> (Left v1) \<succ>(ALT r1 r2) (Right v2)"
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   853
| "\<lbrakk>(flat v1) \<sqsubset> (flat v2); flat v2 = s\<rbrakk> \<Longrightarrow> s \<turnstile> (Right v2) \<succ>(ALT r1 r2) (Left v1)"
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   854
| "s \<turnstile> v2 \<succ>r2 v2' \<Longrightarrow> s \<turnstile> (Right v2) \<succ>(ALT r1 r2) (Right v2')"
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   855
| "s \<turnstile> v1 \<succ>r1 v1' \<Longrightarrow> s \<turnstile> (Left v1) \<succ>(ALT r1 r2) (Left v1')"
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   856
| "[] \<turnstile> Void \<succ>EMPTY Void"
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   857
| "[c] \<turnstile> (Char c) \<succ>(CHAR c) (Char c)"
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   858
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   859
lemma valord_prefix:
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   860
  assumes "s \<turnstile> v1 \<succ>r v2"
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   861
  shows "flat v1 \<sqsubseteq> s"  and "flat v2 \<sqsubseteq> s"
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   862
using assms
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   863
apply(induct)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   864
apply(auto)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   865
apply(simp add: prefix_def rest_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   866
apply(auto)[1]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   867
apply(simp add: prefix_def rest_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   868
apply(auto)[1]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   869
apply(auto simp add: prefix_def rest_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   870
done
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   871
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   872
lemma valord_prefix2:
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   873
  assumes "s \<turnstile> v1 \<succ>r v2"
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   874
  shows "flat v2 \<sqsubseteq> flat v1"
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   875
using assms
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   876
apply(induct)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   877
apply(auto)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   878
apply(simp add: prefix_def rest_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   879
apply(simp add: prefix_def rest_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   880
apply(auto)[1]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   881
defer
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   882
apply(simp add: prefix_def rest_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   883
apply(auto)[1]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   884
apply (metis append_eq_append_conv_if append_eq_conv_conj)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   885
apply(simp add: prefix_def rest_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   886
apply(auto)[1]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   887
apply (metis append_eq_append_conv_if append_take_drop_id le_eq_less_or_eq)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   888
apply(simp add: prefix_def rest_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   889
apply(simp add: prefix_def rest_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   890
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
   891
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   892
inductive ValOrd :: "val \<Rightarrow> rexp \<Rightarrow> val \<Rightarrow> bool" ("_ \<succ>_ _" [100, 100, 100] 100)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   893
where
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   894
  "v2 \<succ>r2 v2' \<Longrightarrow> (Seq v1 v2) \<succ>(SEQ r1 r2) (Seq v1 v2')" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   895
| "\<lbrakk>v1 \<succ>r1 v1'; v1 \<noteq> v1'\<rbrakk> \<Longrightarrow> (Seq v1 v2) \<succ>(SEQ r1 r2) (Seq v1' v2')" 
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   896
| "length (flat v1) \<ge> length (flat v2) \<Longrightarrow> (Left v1) \<succ>(ALT r1 r2) (Right v2)"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   897
| "length (flat v2) > length (flat v1) \<Longrightarrow> (Right v2) \<succ>(ALT r1 r2) (Left v1)"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   898
| "v2 \<succ>r2 v2' \<Longrightarrow> (Right v2) \<succ>(ALT r1 r2) (Right v2')"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   899
| "v1 \<succ>r1 v1' \<Longrightarrow> (Left v1) \<succ>(ALT r1 r2) (Left v1')"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   900
| "Void \<succ>EMPTY Void"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   901
| "(Char c) \<succ>(CHAR c) (Char c)"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   902
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   903
inductive ValOrd2 :: "val \<Rightarrow> val \<Rightarrow> bool" ("_ 2\<succ> _" [100, 100] 100)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   904
where
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   905
  "v2 2\<succ> v2' \<Longrightarrow> (Seq v1 v2) 2\<succ> (Seq v1 v2')" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   906
| "\<lbrakk>v1 2\<succ> v1'; v1 \<noteq> v1'\<rbrakk> \<Longrightarrow> (Seq v1 v2) 2\<succ> (Seq v1' v2')" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   907
| "length (flat v1) \<ge> length (flat v2) \<Longrightarrow> (Left v1) 2\<succ> (Right v2)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   908
| "length (flat v2) > length (flat v1) \<Longrightarrow> (Right v2) 2\<succ> (Left v1)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   909
| "v2 2\<succ> v2' \<Longrightarrow> (Right v2) 2\<succ> (Right v2')"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   910
| "v1 2\<succ> v1' \<Longrightarrow> (Left v1) 2\<succ> (Left v1')"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   911
| "Void 2\<succ> Void"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   912
| "(Char c) 2\<succ> (Char c)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   913
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   914
lemma Ord1:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   915
  "v1 \<succ>r v2 \<Longrightarrow> v1 2\<succ> v2"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   916
apply(induct rule: ValOrd.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   917
apply(auto intro: ValOrd2.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   918
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   919
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   920
lemma Ord2:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   921
  "v1 2\<succ> v2 \<Longrightarrow> \<exists>r. v1 \<succ>r v2"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   922
apply(induct v1 v2 rule: ValOrd2.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   923
apply(auto intro: ValOrd.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   924
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   925
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   926
lemma Ord3:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   927
  "\<lbrakk>v1 2\<succ> v2; \<turnstile> v1 : r\<rbrakk> \<Longrightarrow> v1 \<succ>r v2"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   928
apply(induct v1 v2 arbitrary: r rule: ValOrd2.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   929
apply(auto intro: ValOrd.intros elim: Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   930
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   931
87
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
   932
section {* Posix definition *}
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
   933
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
   934
definition POSIX :: "val \<Rightarrow> rexp \<Rightarrow> bool" 
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
   935
where
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
   936
  "POSIX v r \<equiv> (\<turnstile> v : r \<and> (\<forall>v'. (\<turnstile> v' : r \<and> flat v' \<sqsubseteq> flat v) \<longrightarrow> v \<succ>r v'))"
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
   937
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   938
lemma ValOrd_refl:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   939
  assumes "\<turnstile> v : r"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   940
  shows "v \<succ>r v"
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   941
using assms
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   942
apply(induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   943
apply(auto intro: ValOrd.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   944
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   945
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   946
lemma ValOrd_total:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   947
  shows "\<lbrakk>\<turnstile> v1 : r; \<turnstile> v2 : r\<rbrakk>  \<Longrightarrow> v1 \<succ>r v2 \<or> v2 \<succ>r v1"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   948
apply(induct r arbitrary: v1 v2)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   949
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   950
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   951
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   952
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   953
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   954
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   955
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   956
apply (metis ValOrd.intros(7))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   957
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   958
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   959
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   960
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   961
apply (metis ValOrd.intros(8))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   962
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   963
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   964
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   965
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   966
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   967
apply(case_tac "v1a = v1b")
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   968
apply(simp)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   969
apply(rule ValOrd.intros(1))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   970
apply (metis ValOrd.intros(1))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   971
apply(rule ValOrd.intros(2))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   972
apply(auto)[2]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   973
apply(erule contrapos_np)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   974
apply(rule ValOrd.intros(2))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   975
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   976
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   977
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   978
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   979
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   980
apply (metis Ord1 Ord3 Prf.intros(2) ValOrd2.intros(6))
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   981
apply(rule ValOrd.intros)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   982
apply(erule contrapos_np)
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   983
apply(rule ValOrd.intros)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   984
apply (metis le_eq_less_or_eq neq_iff)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   985
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   986
apply(simp_all)[5]
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   987
apply(rule ValOrd.intros)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   988
apply(erule contrapos_np)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   989
apply(rule ValOrd.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   990
apply (metis le_eq_less_or_eq neq_iff)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   991
apply(rule ValOrd.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   992
apply(erule contrapos_np)
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
   993
apply(rule ValOrd.intros)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   994
by metis
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   995
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   996
lemma ValOrd_anti:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   997
  shows "\<lbrakk>\<turnstile> v1 : r; \<turnstile> v2 : r; v1 \<succ>r v2; v2 \<succ>r v1\<rbrakk> \<Longrightarrow> v1 = v2"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   998
apply(induct r arbitrary: v1 v2)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
   999
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1000
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1001
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1002
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1003
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1004
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1005
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1006
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1007
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1008
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1009
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1010
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1011
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1012
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1013
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1014
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1015
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1016
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1017
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1018
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1019
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1020
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1021
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1022
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1023
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1024
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1025
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1026
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1027
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1028
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1029
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1030
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1031
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1032
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1033
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1034
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1035
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1036
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1037
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1038
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1039
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1040
apply(simp_all)[8]
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1041
done
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1042
87
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1043
lemma POSIX_ALT_I1:
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1044
  assumes "POSIX v1 r1" 
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1045
  shows "POSIX (Left v1) (ALT r1 r2)"
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1046
using assms
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1047
unfolding POSIX_def
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1048
apply(auto)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1049
apply (metis Prf.intros(2))
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1050
apply(rotate_tac 2)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1051
apply(erule Prf.cases)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1052
apply(simp_all)[5]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1053
apply(auto)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1054
apply(rule ValOrd.intros)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1055
apply(auto)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1056
apply(rule ValOrd.intros)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1057
by (metis le_eq_less_or_eq length_sprefix sprefix_def)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1058
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1059
lemma POSIX_ALT_I2:
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1060
  assumes "POSIX v2 r2" "\<forall>v'. \<turnstile> v' : r1 \<longrightarrow> length (flat v2) > length (flat v')"
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1061
  shows "POSIX (Right v2) (ALT r1 r2)"
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1062
using assms
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1063
unfolding POSIX_def
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1064
apply(auto)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1065
apply (metis Prf.intros)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1066
apply(rotate_tac 3)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1067
apply(erule Prf.cases)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1068
apply(simp_all)[5]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1069
apply(auto)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1070
apply(rule ValOrd.intros)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1071
apply metis
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1072
apply(rule ValOrd.intros)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1073
apply metis
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1074
done
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1075
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1076
thm PMatch.intros[no_vars]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1077
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1078
lemma POSIX_PMatch:
88
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1079
  assumes "s \<in> r \<rightarrow> v" "v' \<in> Values r s"
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1080
  shows "v \<succ>r v' \<or> length (flat v') < length (flat v)" 
87
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1081
using assms
88
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1082
apply(induct r arbitrary: s v v' rule: rexp.induct)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1083
apply(simp_all add: Values_recs)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1084
apply(erule PMatch.cases)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1085
apply(simp_all)[5]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1086
apply (metis ValOrd.intros(7))
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1087
apply(erule PMatch.cases)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1088
apply(simp_all)[5]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1089
apply(simp add: prefix_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1090
apply (metis ValOrd.intros(8))
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1091
apply(auto)[1]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1092
defer
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1093
apply(auto)[1]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1094
apply(erule PMatch.cases)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1095
apply(simp_all)[5]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1096
apply (metis ValOrd.intros(6))
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1097
apply (metis (no_types, lifting) PMatch1(2) Prf_flat_L Values_def length_sprefix mem_Collect_eq sprefix_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1098
apply(erule PMatch.cases)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1099
apply(simp_all)[5]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1100
apply (metis (no_types, lifting) PMatch1(2) ValOrd.intros(3) Values_def length_sprefix mem_Collect_eq order_refl sprefix_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1101
apply (metis ValOrd.intros(5))
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1102
apply(erule PMatch.cases)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1103
apply(simp_all)[5]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1104
apply(auto)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1105
apply(case_tac "v1a = v1")
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1106
apply(simp)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1107
apply(rule ValOrd.intros(1))
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1108
apply (metis PMatch1(2) append_Nil comm_monoid_diff_class.diff_cancel drop_0 drop_all drop_append order_refl rest_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1109
apply(rule ValOrd.intros(2))
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1110
apply(auto)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1111
apply(drule_tac x="s1" in meta_spec)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1112
apply(drule_tac x="v1a" in meta_spec)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1113
apply(drule_tac x="v1" in meta_spec)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1114
apply(auto)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1115
apply(drule meta_mp)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1116
defer
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1117
apply(auto)[1]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1118
apply(frule PMatch1)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1119
apply(drule PMatch1(2))
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1120
apply(frule PMatch1)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1121
apply(drule PMatch1(2))
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1122
apply(auto)[1]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1123
apply(simp add: Values_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1124
apply(simp add: prefix_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1125
apply(auto)[1]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1126
apply(simp add: append_eq_append_conv2)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1127
apply(auto)[1]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1128
apply(rotate_tac 10)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1129
apply(drule sym)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1130
apply(simp)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1131
apply(simp add: rest_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1132
apply(case_tac "s3a = []")
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1133
apply(auto)[1]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1134
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1135
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1136
apply (metis ValOrd.intros(6))
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1137
apply (metis (no_types, lifting) PMatch1(2) ValOrd.intros(3) Values_def length_sprefix mem_Collect_eq order_refl sprefix_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1138
apply(auto)[1]
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1139
apply (metis (no_types, lifting) PMatch1(2) Prf_flat_L Values_def length_sprefix mem_Collect_eq sprefix_def)
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1140
apply (metis ValOrd.intros(5))
532bb9df225d updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 87
diff changeset
  1141
apply(auto)[1]
87
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1142
apply(erule Prf.cases)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1143
apply(simp_all)[5]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1144
apply(erule Prf.cases)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1145
apply(simp_all)[5]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1146
apply(erule Prf.cases)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1147
apply(simp_all)[5]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1148
apply(erule PMatch.cases)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1149
apply(simp_all)[5]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1150
defer
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1151
apply(erule Prf.cases)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1152
apply(simp_all)[5]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1153
apply(erule PMatch.cases)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1154
apply(simp_all)[5]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1155
apply(clarify)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1156
apply(simp add: L_flat_Prf)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1157
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1158
apply(clarify)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1159
apply (metis ValOrd.intros(8))
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1160
apply (metis POSIX_ALT_I1)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1161
apply(rule POSIX_ALT_I2)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1162
apply(simp)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1163
apply(auto)[1]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1164
apply(simp add: POSIX_def)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1165
apply(frule PMatch1(1))
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1166
apply(frule PMatch1(2))
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1167
apply(simp)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1168
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1169
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1170
lemma POSIX_PMatch:
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1171
  assumes "s \<in> r \<rightarrow> v" 
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1172
  shows "POSIX v r" 
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1173
using assms
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1174
apply(induct arbitrary: rule: PMatch.induct)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1175
apply(auto)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1176
apply(simp add: POSIX_def)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1177
apply(auto)[1]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1178
apply (metis Prf.intros(4))
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1179
apply(erule Prf.cases)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1180
apply(simp_all)[5]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1181
apply (metis ValOrd.intros(7))
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1182
apply(simp add: POSIX_def)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1183
apply(auto)[1]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1184
apply (metis Prf.intros(5))
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1185
apply(erule Prf.cases)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1186
apply(simp_all)[5]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1187
apply (metis ValOrd.intros(8))
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1188
apply (metis POSIX_ALT_I1)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1189
apply(rule POSIX_ALT_I2)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1190
apply(simp)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1191
apply(auto)[1]
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1192
apply(simp add: POSIX_def)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1193
apply(frule PMatch1(1))
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1194
apply(frule PMatch1(2))
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1195
apply(simp)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1196
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1197
85
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1198
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1199
lemma ValOrd_PMatch:
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1200
  assumes "s \<in> r \<rightarrow> v1" "\<turnstile> v2 : r" "flat v2 = s"
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1201
  shows "v1 \<succ>r v2"
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1202
using assms
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1203
apply(induct arbitrary: v2 rule: PMatch.induct)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1204
apply(erule Prf.cases)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1205
apply(simp_all)[5]
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1206
apply (metis ValOrd.intros(7))
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1207
apply(erule Prf.cases)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1208
apply(simp_all)[5]
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1209
apply (metis ValOrd.intros(8))
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1210
apply(erule Prf.cases)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1211
apply(simp_all)[5]
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1212
apply(clarify)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1213
apply (metis ValOrd.intros(6))
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1214
apply(clarify)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1215
apply (metis PMatch1(2) ValOrd.intros(3) order_refl)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1216
apply(erule Prf.cases)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1217
apply(simp_all)[5]
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1218
apply(clarify)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1219
apply (metis Prf_flat_L)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1220
apply (metis ValOrd.intros(5))
87
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1221
(* Seq case *)
85
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1222
apply(erule Prf.cases)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1223
apply(simp_all)[5]
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1224
apply(auto)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1225
apply(case_tac "v1 = v1a")
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1226
apply(auto)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1227
apply (metis PMatch1(2) ValOrd.intros(1) same_append_eq)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1228
apply(rule ValOrd.intros(2))
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1229
apply(auto)
87
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1230
apply(drule_tac x="v1a" in meta_spec)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1231
apply(drule_tac meta_mp)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1232
apply(simp)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1233
apply(drule_tac meta_mp)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1234
prefer 2
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1235
apply(simp)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1236
apply(simp add: append_eq_append_conv2)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1237
apply(auto)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1238
apply (metis Prf_flat_L)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1239
apply(case_tac "us = []")
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1240
apply(simp)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1241
apply(drule_tac x="us" in spec)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1242
apply(drule mp)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1243
85
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1244
thm L_flat_Prf
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1245
apply(simp add: L_flat_Prf)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1246
thm append_eq_append_conv2
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1247
apply(simp add: append_eq_append_conv2)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1248
apply(auto)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1249
apply(drule_tac x="us" in spec)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1250
apply(drule mp)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1251
apply metis
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1252
apply (metis append_Nil2)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1253
apply(case_tac "us = []")
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1254
apply(auto)
87
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1255
apply(drule_tac x="s2" in spec)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1256
apply(drule mp)
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1257
030939b7d475 added type inference paper and updated Re.thy
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 86
diff changeset
  1258
apply(auto)[1]
85
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1259
apply(drule_tac x="v1a" in meta_spec)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1260
apply(simp)
53d5f9a5bbd3 updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 84
diff changeset
  1261
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1262
lemma refl_on_ValOrd:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1263
  "refl_on (Values r s) {(v1, v2). v1 \<succ>r v2 \<and> v1 \<in> Values r s \<and> v2 \<in> Values r s}"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1264
unfolding refl_on_def
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1265
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1266
apply(rule ValOrd_refl)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1267
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1268
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1269
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1270
7
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1271
section {* Posix definition *}
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1272
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1273
definition POSIX :: "val \<Rightarrow> rexp \<Rightarrow> bool" 
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1274
where
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1275
  "POSIX v r \<equiv> (\<turnstile> v : r \<and> (\<forall>v'. (\<turnstile> v' : r \<and> flat v = flat v') \<longrightarrow> v \<succ>r v'))"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1276
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1277
definition POSIX2 :: "val \<Rightarrow> rexp \<Rightarrow> bool" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1278
where
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1279
  "POSIX2 v r \<equiv> (\<turnstile> v : r \<and> (\<forall>v'. (\<turnstile> v' : r \<and> flat v = flat v') \<longrightarrow> v 2\<succ> v'))"
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1280
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1281
lemma "POSIX v r = POSIX2 v r"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1282
unfolding POSIX_def POSIX2_def
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1283
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1284
apply(rule Ord1)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1285
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1286
apply(rule Ord3)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1287
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1288
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1289
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1290
section {* POSIX for some constructors *}
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1291
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1292
lemma POSIX_SEQ1:
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1293
  assumes "POSIX (Seq v1 v2) (SEQ r1 r2)" "\<turnstile> v1 : r1" "\<turnstile> v2 : r2"
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1294
  shows "POSIX v1 r1"
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1295
using assms
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1296
unfolding POSIX_def
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1297
apply(auto)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1298
apply(drule_tac x="Seq v' v2" in spec)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1299
apply(simp)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1300
apply(erule impE)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1301
apply(rule Prf.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1302
apply(simp)
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1303
apply(simp)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1304
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1305
apply(simp_all)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1306
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1307
by (metis ValOrd_refl)
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1308
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1309
lemma POSIX_SEQ2:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1310
  assumes "POSIX (Seq v1 v2) (SEQ r1 r2)" "\<turnstile> v1 : r1" "\<turnstile> v2 : r2" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1311
  shows "POSIX v2 r2"
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1312
using assms
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1313
unfolding POSIX_def
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1314
apply(auto)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1315
apply(drule_tac x="Seq v1 v'" in spec)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1316
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1317
apply(erule impE)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1318
apply(rule Prf.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1319
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1320
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1321
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1322
apply(simp_all)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1323
done
8
a605dda64267 started a few arguments for the ALT case
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 7
diff changeset
  1324
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1325
lemma POSIX_ALT2:
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1326
  assumes "POSIX (Left v1) (ALT r1 r2)"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1327
  shows "POSIX v1 r1"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1328
using assms
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1329
unfolding POSIX_def
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1330
apply(auto)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1331
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1332
apply(simp_all)[5]
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1333
apply(drule_tac x="Left v'" in spec)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1334
apply(simp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1335
apply(drule mp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1336
apply(rule Prf.intros)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1337
apply(auto)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1338
apply(erule ValOrd.cases)
8
a605dda64267 started a few arguments for the ALT case
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 7
diff changeset
  1339
apply(simp_all)
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1340
done
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1341
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1342
lemma POSIX_ALT1a:
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1343
  assumes "POSIX (Right v2) (ALT r1 r2)"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1344
  shows "POSIX v2 r2"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1345
using assms
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1346
unfolding POSIX_def
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1347
apply(auto)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1348
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1349
apply(simp_all)[5]
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1350
apply(drule_tac x="Right v'" in spec)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1351
apply(simp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1352
apply(drule mp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1353
apply(rule Prf.intros)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1354
apply(auto)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1355
apply(erule ValOrd.cases)
8
a605dda64267 started a few arguments for the ALT case
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 7
diff changeset
  1356
apply(simp_all)
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1357
done
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1358
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1359
lemma POSIX_ALT1b:
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1360
  assumes "POSIX (Right v2) (ALT r1 r2)"
8
a605dda64267 started a few arguments for the ALT case
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 7
diff changeset
  1361
  shows "(\<forall>v'. (\<turnstile> v' : r2 \<and> flat v' = flat v2) \<longrightarrow> v2 \<succ>r2 v')"
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1362
using assms
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1363
apply(drule_tac POSIX_ALT1a)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1364
unfolding POSIX_def
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1365
apply(auto)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1366
done
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1367
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1368
lemma POSIX_ALT_I1:
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1369
  assumes "POSIX v1 r1" 
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1370
  shows "POSIX (Left v1) (ALT r1 r2)"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1371
using assms
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1372
unfolding POSIX_def
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1373
apply(auto)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1374
apply (metis Prf.intros(2))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1375
apply(rotate_tac 2)
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1376
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1377
apply(simp_all)[5]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1378
apply(auto)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1379
apply(rule ValOrd.intros)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1380
apply(auto)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1381
apply(rule ValOrd.intros)
8
a605dda64267 started a few arguments for the ALT case
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 7
diff changeset
  1382
by simp
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1383
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1384
lemma POSIX_ALT_I2:
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1385
  assumes "POSIX v2 r2" "\<forall>v'. \<turnstile> v' : r1 \<longrightarrow> length (flat v2) > length (flat v')"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1386
  shows "POSIX (Right v2) (ALT r1 r2)"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1387
using assms
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1388
unfolding POSIX_def
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1389
apply(auto)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1390
apply (metis Prf.intros)
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1391
apply(rotate_tac 3)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1392
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1393
apply(simp_all)[5]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1394
apply(auto)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1395
apply(rule ValOrd.intros)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1396
apply metis
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1397
done
8
a605dda64267 started a few arguments for the ALT case
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 7
diff changeset
  1398
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1399
lemma mkeps_POSIX:
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1400
  assumes "nullable r"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1401
  shows "POSIX (mkeps r) r"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1402
using assms
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1403
apply(induct r)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1404
apply(auto)[1]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1405
apply(simp add: POSIX_def)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1406
apply(auto)[1]
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1407
apply (metis Prf.intros(4))
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1408
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1409
apply(simp_all)[5]
6
87618dae0e04 getting back the original version by Sulzmann
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 5
diff changeset
  1410
apply (metis ValOrd.intros)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1411
apply(simp)
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1412
apply(auto)[1]
7
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1413
apply(simp add: POSIX_def)
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1414
apply(auto)[1]
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1415
apply (metis mkeps.simps(2) mkeps_nullable nullable.simps(5))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1416
apply(rotate_tac 6)
7
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1417
apply(erule Prf.cases)
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1418
apply(simp_all)[5]
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1419
apply (simp add: mkeps_flat)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1420
apply(case_tac "mkeps r1a = v1")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1421
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1422
apply (metis ValOrd.intros(1))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1423
apply (rule ValOrd.intros(2))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1424
apply metis
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1425
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1426
(* ALT case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1427
thm mkeps.simps
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1428
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1429
apply(erule disjE)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1430
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1431
apply (metis POSIX_ALT_I1)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1432
(* *)
7
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1433
apply(auto)[1]
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1434
thm  POSIX_ALT_I1
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1435
apply (metis POSIX_ALT_I1)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1436
apply(simp (no_asm) add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1437
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1438
apply(rule Prf.intros(3))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1439
apply(simp only: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1440
apply(rotate_tac 4)
7
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1441
apply(erule Prf.cases)
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1442
apply(simp_all)[5]
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1443
thm mkeps_flat
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1444
apply(simp add: mkeps_flat)
7
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1445
apply(auto)[1]
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1446
thm Prf_flat_L nullable_correctness
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1447
apply (metis Prf_flat_L nullable_correctness)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1448
apply(rule ValOrd.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1449
apply(subst (asm) POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1450
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1451
apply(drule_tac x="v2" in spec)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1452
by simp
6
87618dae0e04 getting back the original version by Sulzmann
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 5
diff changeset
  1453
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1454
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1455
7
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1456
text {*
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1457
  Injection value is related to r
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1458
*}
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1459
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1460
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1461
7
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1462
text {*
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1463
  The string behind the injection value is an added c
7
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  1464
*}
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  1465
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1466
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1467
lemma injval_inj: "inj_on (injval r c) {v. \<turnstile> v : der c r}"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1468
apply(induct c r rule: der.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1469
unfolding inj_on_def
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1470
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1471
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1472
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1473
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1474
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1475
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1476
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1477
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1478
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1479
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1480
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1481
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1482
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1483
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1484
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1485
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1486
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1487
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1488
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1489
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1490
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1491
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1492
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1493
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1494
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1495
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1496
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1497
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1498
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1499
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1500
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1501
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1502
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1503
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1504
apply (metis list.distinct(1) mkeps_flat v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1505
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1506
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1507
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1508
apply(rotate_tac 6)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1509
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1510
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1511
apply (metis list.distinct(1) mkeps_flat v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1512
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1513
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1514
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1515
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1516
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1517
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1518
lemma Values_nullable:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1519
  assumes "nullable r1"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1520
  shows "mkeps r1 \<in> Values r1 s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1521
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1522
apply(induct r1 arbitrary: s)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1523
apply(simp_all)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1524
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1525
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1526
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1527
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1528
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1529
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1530
lemma Values_injval:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1531
  assumes "v \<in> Values (der c r) s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1532
  shows "injval r c v \<in> Values r (c#s)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1533
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1534
apply(induct c r arbitrary: v s rule: der.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1535
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1536
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1537
apply(case_tac "c = c'")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1538
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1539
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1540
apply(simp add: prefix_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1541
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1542
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1543
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1544
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1545
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1546
apply(case_tac "nullable r1")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1547
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1548
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1549
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1550
apply(simp add: rest_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1551
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1552
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1553
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1554
apply(rule Values_nullable)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1555
apply(assumption)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1556
apply(simp add: rest_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1557
apply(subst mkeps_flat)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1558
apply(assumption)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1559
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1560
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1561
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1562
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1563
apply(simp add: rest_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1564
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1565
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1566
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1567
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1568
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1569
lemma Values_projval:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1570
  assumes "v \<in> Values r (c#s)" "\<exists>s. flat v = c # s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1571
  shows "projval r c v \<in> Values (der c r) s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1572
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1573
apply(induct r arbitrary: v s c rule: rexp.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1574
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1575
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1576
apply(case_tac "c = char")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1577
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1578
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1579
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1580
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1581
apply(simp add: prefix_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1582
apply(case_tac "nullable rexp1")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1583
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1584
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1585
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1586
apply(simp add: rest_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1587
apply (metis hd_Cons_tl hd_append2 list.sel(1))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1588
apply(simp add: rest_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1589
apply(simp add: append_eq_Cons_conv)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1590
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1591
apply(subst v4_proj2)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1592
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1593
apply(assumption)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1594
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1595
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1596
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1597
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1598
apply(auto simp add: Values_def not_nullable_flat)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1599
apply(simp add: append_eq_Cons_conv)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1600
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1601
apply(simp add: append_eq_Cons_conv)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1602
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1603
apply(simp add: rest_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1604
apply(subst v4_proj2)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1605
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1606
apply(assumption)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1607
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1608
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1609
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1610
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1611
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1612
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1613
definition "MValue v r s \<equiv> (v \<in> Values r s \<and> (\<forall>v' \<in> Values r s. v 2\<succ> v'))"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1614
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1615
lemma MValue_ALTE:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1616
  assumes "MValue v (ALT r1 r2) s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1617
  shows "(\<exists>vl. v = Left vl \<and> MValue vl r1 s \<and> (\<forall>vr \<in> Values r2 s. length (flat vr) \<le> length (flat vl))) \<or> 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1618
         (\<exists>vr. v = Right vr \<and> MValue vr r2 s \<and> (\<forall>vl \<in> Values r1 s. length (flat vl) < length (flat vr)))"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1619
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1620
apply(simp add: MValue_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1621
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1622
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1623
apply(drule_tac x="Left x" in bspec)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1624
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1625
apply(erule ValOrd2.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1626
apply(simp_all)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1627
apply(drule_tac x="Right vr" in bspec)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1628
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1629
apply(erule ValOrd2.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1630
apply(simp_all)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1631
apply(drule_tac x="Right x" in bspec)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1632
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1633
apply(erule ValOrd2.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1634
apply(simp_all)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1635
apply(drule_tac x="Left vl" in bspec)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1636
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1637
apply(erule ValOrd2.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1638
apply(simp_all)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1639
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1640
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1641
lemma MValue_ALTI1:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1642
  assumes "MValue vl r1 s"  "\<forall>vr \<in> Values r2 s. length (flat vr) \<le> length (flat vl)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1643
  shows "MValue (Left vl) (ALT r1 r2) s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1644
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1645
apply(simp add: MValue_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1646
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1647
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1648
apply(rule ValOrd2.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1649
apply metis
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1650
apply(rule ValOrd2.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1651
apply metis
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1652
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1653
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1654
lemma MValue_ALTI2:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1655
  assumes "MValue vr r2 s"  "\<forall>vl \<in> Values r1 s. length (flat vl) < length (flat vr)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1656
  shows "MValue (Right vr) (ALT r1 r2) s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1657
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1658
apply(simp add: MValue_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1659
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1660
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1661
apply(rule ValOrd2.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1662
apply metis
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1663
apply(rule ValOrd2.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1664
apply metis
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1665
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1666
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1667
lemma t: "(c#xs = c#ys) \<Longrightarrow> xs = ys"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1668
by (metis list.sel(3))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1669
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1670
lemma t2: "(xs = ys) \<Longrightarrow> (c#xs) = (c#ys)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1671
by (metis)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1672
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1673
lemma "\<not>(nullable r) \<Longrightarrow> \<not>(\<exists>v. \<turnstile> v : r \<and> flat v = [])"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1674
by (metis Prf_flat_L nullable_correctness)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1675
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1676
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1677
lemma LeftRight:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1678
  assumes "(Left v1) \<succ>(der c (ALT r1 r2)) (Right v2)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1679
  and "\<turnstile> v1 : der c r1" "\<turnstile> v2 : der c r2" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1680
  shows "(injval (ALT r1 r2) c (Left v1)) \<succ>(ALT r1 r2) (injval (ALT r1 r2) c (Right v2))"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1681
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1682
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1683
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1684
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1685
apply(rule ValOrd.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1686
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1687
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1688
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1689
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1690
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1691
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1692
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1693
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1694
lemma RightLeft:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1695
  assumes "(Right v1) \<succ>(der c (ALT r1 r2)) (Left v2)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1696
  and "\<turnstile> v1 : der c r2" "\<turnstile> v2 : der c r1" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1697
  shows "(injval (ALT r1 r2) c (Right v1)) \<succ>(ALT r1 r2) (injval (ALT r1 r2) c (Left v2))"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1698
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1699
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1700
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1701
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1702
apply(rule ValOrd.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1703
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1704
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1705
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1706
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1707
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1708
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1709
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1710
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1711
lemma h: 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1712
  assumes "nullable r1" "\<turnstile> v1 : der c r1"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1713
  shows "injval r1 c v1 \<succ>r1 mkeps r1"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1714
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1715
apply(induct r1 arbitrary: v1 rule: der.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1716
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1717
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1718
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1719
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1720
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1721
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1722
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1723
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1724
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1725
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1726
apply (metis ValOrd.intros(6))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1727
apply (metis ValOrd.intros(6))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1728
apply (metis ValOrd.intros(3) le_add2 list.size(3) mkeps_flat monoid_add_class.add.right_neutral)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1729
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1730
apply (metis ValOrd.intros(4) length_greater_0_conv list.distinct(1) list.size(3) mkeps_flat v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1731
apply (metis ValOrd.intros(4) length_greater_0_conv list.distinct(1) list.size(3) mkeps_flat v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1732
apply (metis ValOrd.intros(5))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1733
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1734
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1735
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1736
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1737
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1738
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1739
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1740
apply (metis ValOrd.intros(2) list.distinct(1) mkeps_flat v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1741
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1742
by (metis ValOrd.intros(1))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1743
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1744
lemma LeftRightSeq:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1745
  assumes "(Left (Seq v1 v2)) \<succ>(der c (SEQ r1 r2)) (Right v3)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1746
  and "nullable r1" "\<turnstile> v1 : der c r1"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1747
  shows "(injval (SEQ r1 r2) c (Seq v1 v2)) \<succ>(SEQ r1 r2) (injval (SEQ r1 r2) c (Right v2))"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1748
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1749
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1750
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1751
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1752
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1753
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1754
apply(rule ValOrd.intros(2))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1755
prefer 2
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1756
apply (metis list.distinct(1) mkeps_flat v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1757
by (metis h)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1758
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1759
lemma rr1: 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1760
  assumes "\<turnstile> v : r" "\<not>nullable r" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1761
  shows "flat v \<noteq> []"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1762
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1763
by (metis Prf_flat_L nullable_correctness)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1764
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1765
(* HERE *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1766
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1767
lemma Prf_inj_test:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1768
  assumes "v1 \<succ>(der c r) v2" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1769
          "v1 \<in> Values (der c r) s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1770
          "v2 \<in> Values (der c r) s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1771
          "injval r c v1 \<in> Values r (c#s)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1772
          "injval r c v2 \<in> Values r (c#s)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1773
  shows "(injval r c v1) 2\<succ>  (injval r c v2)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1774
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1775
apply(induct c r arbitrary: v1 v2 s rule: der.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1776
(* NULL case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1777
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1778
(* EMPTY case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1779
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1780
(* CHAR case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1781
apply(case_tac "c = c'")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1782
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1783
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1784
apply (metis ValOrd2.intros(8))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1785
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1786
(* ALT case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1787
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1788
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1789
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1790
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1791
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1792
apply (metis ValOrd2.intros(6))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1793
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1794
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1795
apply(rule ValOrd2.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1796
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1797
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1798
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1799
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1800
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1801
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1802
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1803
apply(rule ValOrd2.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1804
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1805
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1806
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1807
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1808
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1809
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1810
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1811
apply (metis ValOrd2.intros(5))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1812
(* SEQ case*)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1813
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1814
apply(case_tac "nullable r1")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1815
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1816
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1817
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1818
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1819
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1820
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1821
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1822
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1823
apply(rule ValOrd2.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1824
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1825
apply (metis Ord1)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1826
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1827
apply(rule ValOrd2.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1828
apply(subgoal_tac "rest v1 (flat v1 @ flat v2) = flat v2")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1829
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1830
apply(subgoal_tac "rest (injval r1 c v1) (c # flat v1 @ flat v2) = flat v2")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1831
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1832
oops
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1833
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1834
lemma Prf_inj_test:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1835
  assumes "v1 \<succ>(der c r) v2" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1836
          "v1 \<in> Values (der c r) s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1837
          "v2 \<in> Values (der c r) s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1838
          "injval r c v1 \<in> Values r (c#s)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1839
          "injval r c v2 \<in> Values r (c#s)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1840
  shows "(injval r c v1) 2\<succ>  (injval r c v2)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1841
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1842
apply(induct c r arbitrary: v1 v2 s rule: der.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1843
(* NULL case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1844
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1845
(* EMPTY case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1846
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1847
(* CHAR case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1848
apply(case_tac "c = c'")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1849
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1850
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1851
apply (metis ValOrd2.intros(8))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1852
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1853
(* ALT case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1854
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1855
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1856
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1857
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1858
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1859
apply (metis ValOrd2.intros(6))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1860
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1861
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1862
apply(rule ValOrd2.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1863
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1864
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1865
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1866
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1867
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1868
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1869
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1870
apply(rule ValOrd2.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1871
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1872
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1873
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1874
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1875
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1876
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1877
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1878
apply (metis ValOrd2.intros(5))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1879
(* SEQ case*)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1880
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1881
apply(case_tac "nullable r1")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1882
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1883
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1884
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1885
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1886
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1887
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1888
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1889
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1890
apply(rule ValOrd2.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1891
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1892
apply (metis Ord1)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1893
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1894
apply(rule ValOrd2.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1895
apply metis
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1896
using injval_inj
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1897
apply(simp add: Values_def inj_on_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1898
apply metis
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1899
apply(simp add: Values_recs)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1900
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1901
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1902
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1903
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1904
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1905
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1906
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1907
apply (metis Ord1 ValOrd2.intros(1))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1908
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1909
apply(rule ValOrd2.intros(2))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1910
apply metis
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1911
using injval_inj
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1912
apply(simp add: Values_def inj_on_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1913
apply metis
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1914
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1915
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1916
apply(rule ValOrd2.intros(2))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1917
thm h
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1918
apply(rule Ord1)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1919
apply(rule h)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1920
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1921
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1922
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1923
apply (metis list.distinct(1) mkeps_flat v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1924
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1925
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1926
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1927
apply(simp add: Values_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1928
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1929
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1930
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1931
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1932
apply(rule ValOrd2.intros(1))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1933
apply(rotate_tac 1)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1934
apply(drule_tac x="v2" in meta_spec)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1935
apply(rotate_tac 8)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1936
apply(drule_tac x="v2'" in meta_spec)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1937
apply(rotate_tac 8)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1938
oops
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1939
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1940
lemma POSIX_der:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1941
  assumes "POSIX v (der c r)" "\<turnstile> v : der c r"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1942
  shows "POSIX (injval r c v) r"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1943
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1944
unfolding POSIX_def
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1945
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1946
thm v3
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1947
apply (erule v3)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1948
thm v4
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1949
apply(subst (asm) v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1950
apply(assumption)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1951
apply(drule_tac x="projval r c v'" in spec)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1952
apply(drule mp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1953
apply(rule conjI)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1954
thm v3_proj
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1955
apply(rule v3_proj)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1956
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1957
apply(rule_tac x="flat v" in exI)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1958
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1959
thm t
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1960
apply(rule_tac c="c" in  t)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1961
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1962
thm v4_proj
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1963
apply(subst v4_proj)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1964
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1965
apply(rule_tac x="flat v" in exI)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1966
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1967
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1968
oops
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1969
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1970
lemma POSIX_der:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1971
  assumes "POSIX v (der c r)" "\<turnstile> v : der c r"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1972
  shows "POSIX (injval r c v) r"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1973
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1974
apply(induct c r arbitrary: v rule: der.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1975
(* null case*)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1976
apply(simp add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1977
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1978
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1979
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1980
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1981
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1982
(* empty case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1983
apply(simp add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1984
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1985
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1986
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1987
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1988
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1989
(* char case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1990
apply(simp add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1991
apply(case_tac "c = c'")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1992
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1993
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1994
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1995
apply (metis Prf.intros(5))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1996
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1997
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1998
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  1999
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2000
apply (metis ValOrd.intros(8))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2001
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2002
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2003
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2004
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2005
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2006
(* alt case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2007
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2008
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2009
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2010
apply(simp (no_asm) add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2011
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2012
apply (metis Prf.intros(2) v3)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2013
apply(rotate_tac 4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2014
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2015
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2016
apply (metis POSIX_ALT2 POSIX_def ValOrd.intros(6))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2017
apply (metis ValOrd.intros(3) order_refl)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2018
apply(simp (no_asm) add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2019
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2020
apply (metis Prf.intros(3) v3)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2021
apply(rotate_tac 4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2022
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2023
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2024
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2025
apply (metis POSIX_ALT1a POSIX_def ValOrd.intros(5))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2026
prefer 2
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2027
apply(subst (asm) (5) POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2028
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2029
apply(rotate_tac 5)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2030
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2031
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2032
apply(rule ValOrd.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2033
apply(subst (asm) v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2034
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2035
apply(drule_tac x="Left (projval r1a c v1)" in spec)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2036
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2037
apply(drule mp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2038
apply(rule conjI)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2039
apply (metis Prf.intros(2) v3_proj)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2040
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2041
apply (metis v4_proj2)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2042
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2043
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2044
apply (metis less_not_refl v4_proj2)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2045
(* seq case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2046
apply(case_tac "nullable r1")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2047
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2048
apply(simp add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2049
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2050
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2051
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2052
apply (metis Prf.intros(1) v3)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2053
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2054
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2055
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2056
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2057
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2058
apply(subst (asm) (3) v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2059
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2060
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2061
apply(subgoal_tac "flat v1a \<noteq> []")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2062
prefer 2
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2063
apply (metis Prf_flat_L nullable_correctness)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2064
apply(subgoal_tac "\<exists>s. flat v1a = c # s")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2065
prefer 2
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2066
apply (metis append_eq_Cons_conv)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2067
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2068
oops
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2069
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2070
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2071
lemma POSIX_ex: "\<turnstile> v : r \<Longrightarrow> \<exists>v. POSIX v r"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2072
apply(induct r arbitrary: v)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2073
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2074
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2075
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2076
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2077
apply(rule_tac x="Void" in exI)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2078
apply(simp add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2079
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2080
apply (metis Prf.intros(4))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2081
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2082
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2083
apply (metis ValOrd.intros(7))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2084
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2085
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2086
apply(rule_tac x="Char c" in exI)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2087
apply(simp add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2088
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2089
apply (metis Prf.intros(5))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2090
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2091
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2092
apply (metis ValOrd.intros(8))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2093
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2094
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2095
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2096
apply(drule_tac x="v1" in meta_spec)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2097
apply(drule_tac x="v2" in meta_spec)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2098
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2099
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2100
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2101
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2102
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2103
apply (metis POSIX_ALT_I1)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2104
apply (metis POSIX_ALT_I1 POSIX_ALT_I2)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2105
apply(case_tac "nullable r1a")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2106
apply(rule_tac x="Seq (mkeps r1a) va" in exI)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2107
apply(auto simp add: POSIX_def)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2108
apply (metis Prf.intros(1) mkeps_nullable)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2109
apply(simp add: mkeps_flat)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2110
apply(rotate_tac 7)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2111
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2112
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2113
apply(case_tac "mkeps r1 = v1a")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2114
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2115
apply (rule ValOrd.intros(1))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2116
apply (metis append_Nil mkeps_flat)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2117
apply (rule ValOrd.intros(2))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2118
apply(drule mkeps_POSIX)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2119
apply(simp add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2120
oops
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2121
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2122
lemma POSIX_ex2: "\<turnstile> v : r \<Longrightarrow> \<exists>v. POSIX v r \<and> \<turnstile> v : r"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2123
apply(induct r arbitrary: v)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2124
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2125
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2126
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2127
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2128
apply(rule_tac x="Void" in exI)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2129
apply(simp add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2130
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2131
oops
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2132
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2133
lemma POSIX_ALT_cases:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2134
  assumes "\<turnstile> v : (ALT r1 r2)" "POSIX v (ALT r1 r2)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2135
  shows "(\<exists>v1. v = Left v1 \<and> POSIX v1 r1) \<or> (\<exists>v2. v = Right v2 \<and> POSIX v2 r2)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2136
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2137
apply(erule_tac Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2138
apply(simp_all)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2139
unfolding POSIX_def
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2140
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2141
apply (metis POSIX_ALT2 POSIX_def assms(2))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2142
by (metis POSIX_ALT1b assms(2))
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2143
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2144
lemma POSIX_ALT_cases2:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2145
  assumes "POSIX v (ALT r1 r2)" "\<turnstile> v : (ALT r1 r2)" 
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2146
  shows "(\<exists>v1. v = Left v1 \<and> POSIX v1 r1) \<or> (\<exists>v2. v = Right v2 \<and> POSIX v2 r2)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2147
using assms POSIX_ALT_cases by auto
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2148
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2149
lemma Prf_flat_empty:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2150
  assumes "\<turnstile> v : r" "flat v = []"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2151
  shows "nullable r"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2152
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2153
apply(induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2154
apply(auto)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2155
done
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2156
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2157
lemma POSIX_proj:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2158
  assumes "POSIX v r" "\<turnstile> v : r" "\<exists>s. flat v = c#s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2159
  shows "POSIX (projval r c v) (der c r)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2160
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2161
apply(induct r c v arbitrary: rule: projval.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2162
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2163
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2164
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2165
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2166
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2167
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2168
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2169
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2170
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2171
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2172
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2173
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2174
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2175
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2176
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2177
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2178
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2179
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2180
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2181
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2182
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2183
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2184
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2185
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2186
apply(simp add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2187
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2188
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2189
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2190
oops
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2191
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2192
lemma POSIX_proj:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2193
  assumes "POSIX v r" "\<turnstile> v : r" "\<exists>s. flat v = c#s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2194
  shows "POSIX (projval r c v) (der c r)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2195
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2196
apply(induct r arbitrary: c v rule: rexp.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2197
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2198
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2199
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2200
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2201
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2202
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2203
apply(simp add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2204
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2205
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2206
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2207
oops
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2208
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2209
lemma POSIX_proj:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2210
  assumes "POSIX v r" "\<turnstile> v : r" "\<exists>s. flat v = c#s"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2211
  shows "POSIX (projval r c v) (der c r)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2212
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2213
apply(induct r c v arbitrary: rule: projval.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2214
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2215
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2216
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2217
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2218
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2219
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2220
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2221
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2222
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2223
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2224
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2225
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2226
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2227
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2228
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2229
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2230
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2231
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2232
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2233
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2234
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2235
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2236
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2237
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2238
apply(simp add: POSIX_def)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2239
apply(auto)[1]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2240
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2241
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2242
oops
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2243
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2244
lemma Prf_inj:
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2245
  assumes "v1 \<succ>(der c r) v2" "\<turnstile> v1 : der c r" "\<turnstile> v2 : der c r" "flat v1 = flat v2"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2246
  shows "(injval r c v1) \<succ>r (injval r c v2)"
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2247
using assms
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2248
apply(induct arbitrary: v1 v2 rule: der.induct)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2249
(* NULL case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2250
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2251
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2252
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2253
(* EMPTY case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2254
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2255
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2256
(* CHAR case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2257
apply(case_tac "c = c'")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2258
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2259
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2260
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2261
apply(rule ValOrd.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2262
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2263
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2264
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2265
(* ALT case *)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2266
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2267
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2268
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2269
apply(rule ValOrd.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2270
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2271
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2272
apply(rotate_tac 3)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2273
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2274
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2275
apply(subst v4)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2276
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2277
apply(rotate_tac 2)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2278
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2279
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2280
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2281
apply(rule ValOrd.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2282
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2283
apply(rotate_tac 3)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2284
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2285
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2286
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2287
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2288
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2289
apply(rule ValOrd.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2290
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2291
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2292
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2293
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2294
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2295
(* SEQ case*)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2296
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2297
apply(case_tac "nullable r1")
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2298
defer
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2299
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2300
apply(erule ValOrd.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2301
apply(simp_all)[8]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2302
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2303
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2304
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2305
apply(erule Prf.cases)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2306
apply(simp_all)[5]
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2307
apply(clarify)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2308
apply(rule ValOrd.intros)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2309
apply(simp)
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2310
oops
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2311
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2312
7
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  2313
text {*
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  2314
  Injection followed by projection is the identity.
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  2315
*}
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2316
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2317
lemma proj_inj_id:
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2318
  assumes "\<turnstile> v : der c r" 
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2319
  shows "projval r c (injval r c v) = v"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2320
using assms
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2321
apply(induct r arbitrary: c v rule: rexp.induct)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2322
apply(simp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2323
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2324
apply(simp_all)[5]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2325
apply(simp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2326
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2327
apply(simp_all)[5]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2328
apply(simp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2329
apply(case_tac "c = char")
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2330
apply(simp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2331
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2332
apply(simp_all)[5]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2333
apply(simp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2334
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2335
apply(simp_all)[5]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2336
defer
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2337
apply(simp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2338
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2339
apply(simp_all)[5]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2340
apply(simp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2341
apply(case_tac "nullable rexp1")
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2342
apply(simp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2343
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2344
apply(simp_all)[5]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2345
apply(auto)[1]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2346
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2347
apply(simp_all)[5]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2348
apply(auto)[1]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2349
apply (metis list.distinct(1) v4)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2350
apply(auto)[1]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2351
apply (metis mkeps_flat)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2352
apply(auto)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2353
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2354
apply(simp_all)[5]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2355
apply(auto)[1]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2356
apply(simp add: v4)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2357
done
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2358
7
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  2359
text {* 
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2360
7
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  2361
  HERE: Crucial lemma that does not go through in the sequence case. 
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  2362
b409ecf47f64 cleaned up the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 6
diff changeset
  2363
*}
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2364
lemma v5:
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2365
  assumes "\<turnstile> v : der c r" "POSIX v (der c r)"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2366
  shows "POSIX (injval r c v) r"
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2367
using assms
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2368
apply(induct arbitrary: v rule: der.induct)
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2369
(* NULL case *)
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2370
apply(simp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2371
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2372
apply(simp_all)[5]
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2373
(* EMPTY case *)
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2374
apply(simp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2375
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2376
apply(simp_all)[5]
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2377
(* CHAR case *)
5
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2378
apply(simp)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2379
apply(case_tac "c = c'")
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2380
apply(auto simp add: POSIX_def)[1]
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2381
apply(erule Prf.cases)
fe177dfc4697 initial version of the theory
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff changeset
  2382
apply(simp_all)[5]
82
26202889f829 cleaned up version of Re1
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents: 10
diff changeset
  2383
oops