thys/Positions.thy
author Christian Urban <urbanc@in.tum.de>
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theory Positions
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  imports "Lexer" 
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begin
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section {* Position in values *}
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fun 
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  at :: "val \<Rightarrow> nat list \<Rightarrow> val"
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where
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  "at v [] = v"
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| "at (Left v) (0#ps)= at v ps"
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| "at (Right v) (Suc 0#ps)= at v ps"
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| "at (Seq v1 v2) (0#ps)= at v1 ps"
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| "at (Seq v1 v2) (Suc 0#ps)= at v2 ps"
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| "at (Stars vs) (n#ps)= at (nth vs n) ps"
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fun Pos :: "val \<Rightarrow> (nat list) set"
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where
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  "Pos (Void) = {[]}"
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| "Pos (Char c) = {[]}"
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| "Pos (Left v) = {[]} \<union> {0#ps | ps. ps \<in> Pos v}"
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| "Pos (Right v) = {[]} \<union> {1#ps | ps. ps \<in> Pos v}"
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| "Pos (Seq v1 v2) = {[]} \<union> {0#ps | ps. ps \<in> Pos v1} \<union> {1#ps | ps. ps \<in> Pos v2}" 
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| "Pos (Stars []) = {[]}"
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| "Pos (Stars (v#vs)) = {[]} \<union> {0#ps | ps. ps \<in> Pos v} \<union> {Suc n#ps | n ps. n#ps \<in> Pos (Stars vs)}"
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lemma Pos_stars:
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  "Pos (Stars vs) = {[]} \<union> (\<Union>n < length vs. {n#ps | ps. ps \<in> Pos (vs ! n)})"
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apply(induct vs)
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apply(simp) 
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apply(simp)
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apply(simp add: insert_ident)
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apply(rule subset_antisym)
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apply(auto)
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apply(auto)[1]
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using less_Suc_eq_0_disj by auto
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lemma Pos_empty:
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  shows "[] \<in> Pos v"
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by (induct v rule: Pos.induct)(auto)
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fun intlen :: "'a list \<Rightarrow> int"
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where
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  "intlen [] = 0"
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| "intlen (x#xs) = 1 + intlen xs"
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lemma inlen_bigger:
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  shows "0 \<le> intlen xs"
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by (induct xs)(auto)
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lemma intlen_append:
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  shows "intlen (xs @ ys) = intlen xs + intlen ys"
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by (induct xs arbitrary: ys) (auto)
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lemma intlen_length:
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  assumes "length xs < length ys"
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  shows "intlen xs < intlen ys"
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using assms
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apply(induct xs arbitrary: ys)
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apply(auto)
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apply(case_tac ys)
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apply(simp_all)
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apply (smt inlen_bigger)
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by (smt Suc_lessE intlen.simps(2) length_Suc_conv)
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definition pflat_len :: "val \<Rightarrow> nat list => int"
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where
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  "pflat_len v p \<equiv> (if p \<in> Pos v then intlen (flat (at v p)) else -1)"
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lemma pflat_len_simps:
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  shows "pflat_len (Seq v1 v2) (0#p) = pflat_len v1 p"
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  and   "pflat_len (Seq v1 v2) (Suc 0#p) = pflat_len v2 p"
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  and   "pflat_len (Left v) (0#p) = pflat_len v p"
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  and   "pflat_len (Left v) (Suc 0#p) = -1"
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  and   "pflat_len (Right v) (Suc 0#p) = pflat_len v p"
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  and   "pflat_len (Right v) (0#p) = -1"
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  and   "pflat_len (Stars (v#vs)) (Suc n#p) = pflat_len (Stars vs) (n#p)"
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  and   "pflat_len (Stars (v#vs)) (0#p) = pflat_len v p"
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  and   "pflat_len v [] = intlen (flat v)"
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by (auto simp add: pflat_len_def Pos_empty)
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lemma pflat_len_Stars_simps:
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  assumes "n < length vs"
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  shows "pflat_len (Stars vs) (n#p) = pflat_len (vs!n) p"
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using assms 
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apply(induct vs arbitrary: n p)
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apply(auto simp add: less_Suc_eq_0_disj pflat_len_simps)
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done
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lemma outside_lemma:
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  assumes "p \<notin> Pos v1 \<union> Pos v2"
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  shows "pflat_len v1 p = pflat_len v2 p"
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using assms by (auto simp add: pflat_len_def)
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section {* Orderings *}
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definition prefix_list:: "'a list \<Rightarrow> 'a list \<Rightarrow> bool" ("_ \<sqsubseteq>pre _")
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where
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  "ps1 \<sqsubseteq>pre ps2 \<equiv> \<exists>ps'. ps1 @ps' = ps2"
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definition sprefix_list:: "'a list \<Rightarrow> 'a list \<Rightarrow> bool" ("_ \<sqsubset>spre _")
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where
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  "ps1 \<sqsubset>spre ps2 \<equiv> ps1 \<sqsubseteq>pre ps2 \<and> ps1 \<noteq> ps2"
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inductive lex_list :: "nat list \<Rightarrow> nat list \<Rightarrow> bool" ("_ \<sqsubset>lex _")
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where
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  "[] \<sqsubset>lex (p#ps)"
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| "ps1 \<sqsubset>lex ps2 \<Longrightarrow> (p#ps1) \<sqsubset>lex (p#ps2)"
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| "p1 < p2 \<Longrightarrow> (p1#ps1) \<sqsubset>lex (p2#ps2)"
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lemma lex_irrfl:
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  fixes ps1 ps2 :: "nat list"
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  assumes "ps1 \<sqsubset>lex ps2"
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  shows "ps1 \<noteq> ps2"
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using assms
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apply(induct rule: lex_list.induct)
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apply(auto)
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done
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lemma lex_simps [simp]:
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  fixes xs ys :: "nat list"
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  shows "[] \<sqsubset>lex ys \<longleftrightarrow> ys \<noteq> []"
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  and   "xs \<sqsubset>lex [] \<longleftrightarrow> False"
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  and   "(x # xs) \<sqsubset>lex (y # ys) \<longleftrightarrow> (x < y \<or> (\<not> y < x \<and> xs \<sqsubset>lex ys))"
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apply -
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apply (metis lex_irrfl lex_list.intros(1) list.exhaust)
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using lex_list.cases apply blast
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using lex_list.cases lex_list.intros(2) lex_list.intros(3) not_less_iff_gr_or_eq by fastforce
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lemma lex_trans:
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  fixes ps1 ps2 ps3 :: "nat list"
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  assumes "ps1 \<sqsubset>lex ps2" "ps2 \<sqsubset>lex ps3"
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  shows "ps1 \<sqsubset>lex ps3"
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using assms
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apply(induct arbitrary: ps3 rule: lex_list.induct)
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apply(erule lex_list.cases)
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apply(simp_all)
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apply(rotate_tac 2)
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apply(erule lex_list.cases)
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apply(simp_all)
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apply(erule lex_list.cases)
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apply(simp_all)
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done
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lemma trichotomous:
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  fixes p q :: "nat list"
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  shows "p = q \<or> p \<sqsubset>lex q \<or> q \<sqsubset>lex p"
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apply(induct p arbitrary: q)
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apply(auto)
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apply(case_tac q)
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apply(auto)
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done
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section {* Ordering of values according to Okui & Suzuki *}
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definition val_ord:: "val \<Rightarrow> nat list \<Rightarrow> val \<Rightarrow> bool" ("_ \<sqsubset>val _ _")
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where
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  "v1 \<sqsubset>val p v2 \<equiv> (p \<in> Pos v1 \<and> 
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                    pflat_len v1 p > pflat_len v2 p \<and>
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                   (\<forall>q \<in> Pos v1 \<union> Pos v2. q \<sqsubset>lex p \<longrightarrow> pflat_len v1 q = pflat_len v2 q))"
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definition val_ord_ex:: "val \<Rightarrow> val \<Rightarrow> bool" ("_ :\<sqsubset>val _")
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where
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  "v1 :\<sqsubset>val v2 \<equiv> (\<exists>p. v1 \<sqsubset>val p v2)"
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definition val_ord_ex1:: "val \<Rightarrow> val \<Rightarrow> bool" ("_ :\<sqsubseteq>val _")
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where
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  "v1 :\<sqsubseteq>val v2 \<equiv> v1 :\<sqsubset>val v2 \<or> v1 = v2"
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lemma val_ord_shorterI:
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  assumes "length (flat v') < length (flat v)"
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  shows "v :\<sqsubset>val v'" 
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using assms
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unfolding val_ord_ex_def
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by (metis Pos_empty intlen_length lex_simps(2) pflat_len_simps(9) val_ord_def)
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lemma val_ord_spreI:
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  assumes "(flat v') \<sqsubset>spre (flat v)"
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  shows "v :\<sqsubset>val v'" 
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using assms
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apply(rule_tac val_ord_shorterI)
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by (metis append_eq_conv_conj le_less_linear prefix_list_def sprefix_list_def take_all)
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lemma val_ord_LeftI:
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  assumes "v :\<sqsubset>val v'" "flat v = flat v'"
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  shows "(Left v) :\<sqsubset>val (Left v')" 
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using assms(1)
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unfolding val_ord_ex_def
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apply(auto)
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apply(rule_tac x="0#p" in exI)
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using assms(2)
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apply(auto simp add: val_ord_def pflat_len_simps)
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done
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lemma val_ord_RightI:
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  assumes "v :\<sqsubset>val v'" "flat v = flat v'"
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  shows "(Right v) :\<sqsubset>val (Right v')" 
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using assms(1)
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unfolding val_ord_ex_def
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apply(auto)
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apply(rule_tac x="Suc 0#p" in exI)
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using assms(2)
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apply(auto simp add: val_ord_def pflat_len_simps)
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done
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lemma val_ord_LeftE:
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  assumes "(Left v1) :\<sqsubset>val (Left v2)"
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  shows "v1 :\<sqsubset>val v2"
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using assms
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apply(simp add: val_ord_ex_def)
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apply(erule exE)
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apply(case_tac "p = []")
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apply(simp add: val_ord_def)
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apply(auto simp add: pflat_len_simps)
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apply(rule_tac x="[]" in exI)
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apply(simp add: Pos_empty pflat_len_simps)
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apply(auto simp add: pflat_len_simps val_ord_def)
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apply(rule_tac x="ps" in exI)
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apply(auto)
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apply(drule_tac x="0#q" in bspec)
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apply(simp)
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apply(simp add: pflat_len_simps)
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apply(drule_tac x="0#q" in bspec)
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apply(simp)
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apply(simp add: pflat_len_simps)
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done
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lemma val_ord_RightE:
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  assumes "(Right v1) :\<sqsubset>val (Right v2)"
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  shows "v1 :\<sqsubset>val v2"
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using assms
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apply(simp add: val_ord_ex_def)
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apply(erule exE)
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apply(case_tac "p = []")
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apply(simp add: val_ord_def)
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apply(auto simp add: pflat_len_simps)
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apply(rule_tac x="[]" in exI)
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apply(simp add: Pos_empty pflat_len_simps)
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apply(auto simp add: pflat_len_simps val_ord_def)
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apply(rule_tac x="ps" in exI)
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apply(auto)
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apply(drule_tac x="Suc 0#q" in bspec)
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apply(simp)
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apply(simp add: pflat_len_simps)
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apply(drule_tac x="Suc 0#q" in bspec)
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apply(simp)
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apply(simp add: pflat_len_simps)
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done
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lemma val_ord_SeqI1:
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  assumes "v1 :\<sqsubset>val v1'" "flat (Seq v1 v2) = flat (Seq v1' v2')"
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  shows "(Seq v1 v2) :\<sqsubset>val (Seq v1' v2')" 
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using assms(1)
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apply(subst (asm) val_ord_ex_def)
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apply(subst (asm) val_ord_def)
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apply(clarify)
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apply(subst val_ord_ex_def)
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apply(rule_tac x="0#p" in exI)
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apply(subst val_ord_def)
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apply(rule conjI)
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apply(simp)
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apply(rule conjI)
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apply(simp add: pflat_len_simps)
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apply(rule ballI)
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apply(rule impI)
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apply(simp only: Pos.simps)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   281
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   282
apply(simp add: pflat_len_simps)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   283
using assms(2)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   284
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   285
apply(auto simp add: pflat_len_simps)[2]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   286
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   287
252
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   288
lemma val_ord_SeqI2:
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Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   289
  assumes "v2 :\<sqsubset>val v2'" "flat v2 = flat v2'"
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   290
  shows "(Seq v v2) :\<sqsubset>val (Seq v v2')" 
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   291
using assms(1)
252
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   292
apply(subst (asm) val_ord_ex_def)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   293
apply(subst (asm) val_ord_def)
252
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   294
apply(clarify)
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   295
apply(subst val_ord_ex_def)
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   296
apply(rule_tac x="Suc 0#p" in exI)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   297
apply(subst val_ord_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   298
apply(rule conjI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   299
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   300
apply(rule conjI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   301
apply(simp add: pflat_len_simps)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   302
apply(rule ballI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   303
apply(rule impI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   304
apply(simp only: Pos.simps)
252
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   305
apply(auto)[1]
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   306
apply(simp add: pflat_len_simps)
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   307
using assms(2)
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   308
apply(simp)
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   309
apply(auto simp add: pflat_len_simps)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   310
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   311
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   312
lemma val_ord_SeqE:
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Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   313
  assumes "(Seq v1 v2) :\<sqsubset>val (Seq v1' v2')" 
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   314
  shows "v1 :\<sqsubset>val v1' \<or> v2 :\<sqsubset>val v2'"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   315
using assms
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   316
apply(simp add: val_ord_ex_def)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   317
apply(erule exE)
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Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   318
apply(case_tac p)
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Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   319
apply(simp add: val_ord_def)
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Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   320
apply(auto simp add: pflat_len_simps intlen_append)[1]
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   321
apply(rule_tac x="[]" in exI)
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Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   322
apply(drule_tac x="[]" in spec)
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Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   323
apply(simp add: Pos_empty pflat_len_simps)
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Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   324
apply(case_tac a)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   325
apply(rule disjI1)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   326
apply(simp add: val_ord_def)
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Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   327
apply(auto simp add: pflat_len_simps intlen_append)[1]
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   328
apply(rule_tac x="list" in exI)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   329
apply(simp)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   330
apply(rule ballI)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   331
apply(rule impI)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   332
apply(drule_tac x="0#q" in bspec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   333
apply(simp)
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   334
apply(simp add: pflat_len_simps)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   335
apply(case_tac nat)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   336
apply(rule disjI2)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   337
apply(simp add: val_ord_def)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   338
apply(auto simp add: pflat_len_simps intlen_append)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   339
apply(rule_tac x="list" in exI)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   340
apply(simp add: Pos_empty)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   341
apply(rule ballI)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   342
apply(rule impI)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   343
apply(drule_tac x="Suc 0#q" in bspec)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   344
apply(simp)
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   345
apply(simp add: pflat_len_simps)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   346
apply(simp add: val_ord_def)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   347
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   348
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   349
lemma val_ord_StarsI:
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   350
  assumes "v1 :\<sqsubset>val v2" "flat (Stars (v1#vs1)) = flat (Stars (v2#vs2))"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   351
  shows "(Stars (v1#vs1)) :\<sqsubset>val (Stars (v2#vs2))" 
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   352
using assms(1)
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   353
apply(subst (asm) val_ord_ex_def)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   354
apply(subst (asm) val_ord_def)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   355
apply(clarify)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   356
apply(subst val_ord_ex_def)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   357
apply(subst val_ord_def)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   358
apply(rule_tac x="0#p" in exI)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   359
apply(simp add: pflat_len_Stars_simps pflat_len_simps)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   360
using assms(2)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   361
apply(simp add: pflat_len_simps intlen_append)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   362
apply(auto simp add: pflat_len_Stars_simps pflat_len_simps)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   363
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   364
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   365
lemma val_ord_StarsI2:
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   366
  assumes "(Stars vs1) :\<sqsubset>val (Stars vs2)" "flat (Stars vs1) = flat (Stars vs2)"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   367
  shows "(Stars (v#vs1)) :\<sqsubset>val (Stars (v#vs2))" 
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   368
using assms(1)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   369
apply(subst (asm) val_ord_ex_def)
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   370
apply(subst (asm) val_ord_def)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   371
apply(clarify)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   372
apply(subst val_ord_ex_def)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   373
apply(subst val_ord_def)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   374
apply(case_tac p)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   375
apply(simp add: pflat_len_simps)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   376
apply(rule_tac x="[]" in exI)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   377
apply(simp add: pflat_len_Stars_simps pflat_len_simps intlen_append)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   378
apply(rule_tac x="Suc a#list" in exI)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   379
apply(simp add: pflat_len_Stars_simps pflat_len_simps)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   380
using assms(2)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   381
apply(simp add: pflat_len_simps intlen_append)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   382
apply(auto simp add: pflat_len_Stars_simps pflat_len_simps)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   383
done
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   384
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   385
lemma val_ord_Stars_appendI:
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   386
  assumes "Stars vs1 :\<sqsubset>val Stars vs2" "flat (Stars vs1) = flat (Stars vs2)"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   387
  shows "Stars (vs @ vs1) :\<sqsubset>val Stars (vs @ vs2)"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   388
using assms
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   389
apply(induct vs)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   390
apply(simp)
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   391
apply(simp add: val_ord_StarsI2)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   392
done
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   393
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   394
lemma val_ord_StarsE2:
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   395
  assumes "Stars (v # vs1) :\<sqsubset>val Stars (v # vs2)"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   396
  shows "Stars vs1 :\<sqsubset>val Stars vs2"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   397
using assms
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   398
apply(subst (asm) val_ord_ex_def)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   399
apply(erule exE)
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   400
apply(case_tac p)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   401
apply(simp)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   402
apply(simp add: val_ord_def pflat_len_simps intlen_append)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   403
apply(subst val_ord_ex_def)
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   404
apply(rule_tac x="[]" in exI)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   405
apply(simp add: val_ord_def pflat_len_simps Pos_empty)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   406
apply(simp)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   407
apply(case_tac a)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   408
apply(clarify)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   409
apply(auto simp add: pflat_len_simps val_ord_def pflat_len_def)[1]
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   410
apply(clarify)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   411
apply(simp add: val_ord_ex_def)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   412
apply(rule_tac x="nat#list" in exI)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   413
apply(auto simp add: val_ord_def pflat_len_simps intlen_append)[1]
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   414
apply(case_tac q)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   415
apply(simp add: val_ord_def pflat_len_simps intlen_append)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   416
apply(clarify)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   417
apply(drule_tac x="Suc a # lista" in bspec)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   418
apply(simp)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   419
apply(auto simp add: val_ord_def pflat_len_simps intlen_append)[1]
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   420
apply(case_tac q)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   421
apply(simp add: val_ord_def pflat_len_simps intlen_append)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   422
apply(clarify)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   423
apply(drule_tac x="Suc a # lista" in bspec)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   424
apply(simp)
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   425
apply(auto simp add: val_ord_def pflat_len_simps intlen_append)[1]
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   426
done
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   427
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   428
lemma val_ord_Stars_appendE:
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   429
  assumes "Stars (vs @ vs1) :\<sqsubset>val Stars (vs @ vs2)"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   430
  shows "Stars vs1 :\<sqsubset>val Stars vs2"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   431
using assms
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   432
apply(induct vs)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   433
apply(simp)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   434
apply(simp add: val_ord_StarsE2)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   435
done
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   436
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   437
lemma val_ord_Stars_append_eq:
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   438
  assumes "flat (Stars vs1) = flat (Stars vs2)"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   439
  shows "Stars (vs @ vs1) :\<sqsubset>val Stars (vs @ vs2) \<longleftrightarrow> Stars vs1 :\<sqsubset>val Stars vs2"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   440
using assms
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   441
apply(rule_tac iffI)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   442
apply(erule val_ord_Stars_appendE)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   443
apply(rule val_ord_Stars_appendI)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   444
apply(auto)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   445
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   446
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   447
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   448
lemma val_ord_trans:
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   449
  assumes "v1 :\<sqsubset>val v2" "v2 :\<sqsubset>val v3"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   450
  shows "v1 :\<sqsubset>val v3"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   451
using assms
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   452
unfolding val_ord_ex_def
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   453
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   454
apply(subgoal_tac "p = pa \<or> p \<sqsubset>lex pa \<or> pa \<sqsubset>lex p")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   455
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   456
apply(rule trichotomous)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   457
apply(erule disjE)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   458
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   459
apply(rule_tac x="pa" in exI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   460
apply(subst val_ord_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   461
apply(rule conjI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   462
apply(simp add: val_ord_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   463
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   464
apply(simp add: val_ord_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   465
apply(simp add: val_ord_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   466
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   467
using outside_lemma apply blast
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   468
apply(simp add: val_ord_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   469
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   470
using outside_lemma apply force
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   471
apply auto[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   472
apply(simp add: val_ord_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   473
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   474
apply (metis (no_types, hide_lams) lex_trans outside_lemma)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   475
apply(simp add: val_ord_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   476
apply(auto)[1]
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   477
by (smt inlen_bigger lex_trans outside_lemma pflat_len_def)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   478
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   479
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   480
section {* CPT and CPTpre *}
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   481
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   482
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   483
inductive 
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   484
  CPrf :: "val \<Rightarrow> rexp \<Rightarrow> bool" ("\<Turnstile> _ : _" [100, 100] 100)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   485
where
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   486
 "\<lbrakk>\<Turnstile> v1 : r1; \<Turnstile> v2 : r2\<rbrakk> \<Longrightarrow> \<Turnstile>  Seq v1 v2 : SEQ r1 r2"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   487
| "\<Turnstile> v1 : r1 \<Longrightarrow> \<Turnstile> Left v1 : ALT r1 r2"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   488
| "\<Turnstile> v2 : r2 \<Longrightarrow> \<Turnstile> Right v2 : ALT r1 r2"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   489
| "\<Turnstile> Void : ONE"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   490
| "\<Turnstile> Char c : CHAR c"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   491
| "\<Turnstile> Stars [] : STAR r"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   492
| "\<lbrakk>\<Turnstile> v : r; flat v \<noteq> []; \<Turnstile> Stars vs : STAR r\<rbrakk> \<Longrightarrow> \<Turnstile> Stars (v # vs) : STAR r"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   493
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   494
lemma Prf_CPrf:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   495
  assumes "\<Turnstile> v : r"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   496
  shows "\<turnstile> v : r"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   497
using assms
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   498
by (induct) (auto intro: Prf.intros)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   499
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   500
lemma CPrf_stars:
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   501
  assumes "\<Turnstile> Stars vs : STAR r"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   502
  shows "\<forall>v \<in> set vs. flat v \<noteq> [] \<and> \<Turnstile> v : r"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   503
using assms
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   504
apply(induct vs)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   505
apply(auto)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   506
apply(erule CPrf.cases)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   507
apply(simp_all)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   508
apply(erule CPrf.cases)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   509
apply(simp_all)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   510
apply(erule CPrf.cases)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   511
apply(simp_all)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   512
apply(erule CPrf.cases)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   513
apply(simp_all)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   514
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   515
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   516
lemma CPrf_Stars_appendE:
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   517
  assumes "\<Turnstile> Stars (vs1 @ vs2) : STAR r"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   518
  shows "\<Turnstile> Stars vs1 : STAR r \<and> \<Turnstile> Stars vs2 : STAR r" 
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   519
using assms
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   520
apply(induct vs1 arbitrary: vs2)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   521
apply(auto intro: CPrf.intros)[1]
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   522
apply(erule CPrf.cases)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   523
apply(simp_all)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   524
apply(auto intro: CPrf.intros)
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   525
done
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   526
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   527
definition PT :: "rexp \<Rightarrow> string \<Rightarrow> val set"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   528
where "PT r s \<equiv> {v. flat v = s \<and> \<turnstile> v : r}"
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   529
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   530
definition
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   531
  "CPT r s = {v. flat v = s \<and> \<Turnstile> v : r}"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   532
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   533
definition
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   534
  "CPTpre r s = {v. \<exists>s'. flat v @ s' = s \<and> \<Turnstile> v : r}"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   535
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   536
lemma CPT_CPTpre_subset:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   537
  shows "CPT r s \<subseteq> CPTpre r s"
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   538
by(auto simp add: CPT_def CPTpre_def)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   539
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   540
lemma CPTpre_subsets:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   541
  "CPTpre ZERO s = {}"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   542
  "CPTpre ONE s \<subseteq> {Void}"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   543
  "CPTpre (CHAR c) s \<subseteq> {Char c}"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   544
  "CPTpre (ALT r1 r2) s \<subseteq> Left ` CPTpre r1 s \<union> Right ` CPTpre r2 s"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   545
  "CPTpre (SEQ r1 r2) s \<subseteq> {Seq v1 v2 | v1 v2. v1 \<in> CPTpre r1 s \<and> v2 \<in> CPTpre r2 (drop (length (flat v1)) s)}"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   546
  "CPTpre (STAR r) s \<subseteq> {Stars []} \<union>
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   547
    {Stars (v#vs) | v vs. v \<in> CPTpre r s \<and> flat v \<noteq> [] \<and> Stars vs \<in> CPTpre (STAR r) (drop (length (flat v)) s)}"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   548
  "CPTpre (STAR r) [] = {Stars []}"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   549
apply(auto simp add: CPTpre_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   550
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   551
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   552
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   553
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   554
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   555
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   556
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   557
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   558
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   559
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   560
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   561
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   562
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   563
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   564
apply(rule CPrf.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   565
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   566
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   567
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   568
lemma CPTpre_simps:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   569
  shows "CPTpre ONE s = {Void}"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   570
  and   "CPTpre (CHAR c) (d#s) = (if c = d then {Char c} else {})"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   571
  and   "CPTpre (ALT r1 r2) s = Left ` CPTpre r1 s \<union> Right ` CPTpre r2 s"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   572
  and   "CPTpre (SEQ r1 r2) s = 
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   573
          {Seq v1 v2 | v1 v2. v1 \<in> CPTpre r1 s \<and> v2 \<in> CPTpre r2 (drop (length (flat v1)) s)}"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   574
apply -
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   575
apply(rule subset_antisym)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   576
apply(rule CPTpre_subsets)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   577
apply(auto simp add: CPTpre_def intro: "CPrf.intros")[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   578
apply(case_tac "c = d")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   579
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   580
apply(rule subset_antisym)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   581
apply(rule CPTpre_subsets)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   582
apply(auto simp add: CPTpre_def intro: CPrf.intros)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   583
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   584
apply(auto simp add: CPTpre_def intro: CPrf.intros)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   585
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   586
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   587
apply(rule subset_antisym)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   588
apply(rule CPTpre_subsets)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   589
apply(auto simp add: CPTpre_def intro: CPrf.intros)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   590
apply(rule subset_antisym)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   591
apply(rule CPTpre_subsets)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   592
apply(auto simp add: CPTpre_def intro: CPrf.intros)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   593
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   594
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   595
lemma CPT_simps:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   596
  shows "CPT ONE s = (if s = [] then {Void} else {})"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   597
  and   "CPT (CHAR c) [d] = (if c = d then {Char c} else {})"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   598
  and   "CPT (ALT r1 r2) s = Left ` CPT r1 s \<union> Right ` CPT r2 s"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   599
  and   "CPT (SEQ r1 r2) s = 
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   600
          {Seq v1 v2 | v1 v2 s1 s2. s1 @ s2 = s \<and> v1 \<in> CPT r1 s1 \<and> v2 \<in> CPT r2 s2}"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   601
apply -
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   602
apply(rule subset_antisym)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   603
apply(auto simp add: CPT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   604
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   605
apply(simp_all)[7]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   606
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   607
apply(simp_all)[7]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   608
apply(auto simp add: CPT_def intro: CPrf.intros)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   609
apply(auto simp add: CPT_def intro: CPrf.intros)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   610
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   611
apply(simp_all)[7]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   612
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   613
apply(simp_all)[7]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   614
apply(auto simp add: CPT_def image_def intro: CPrf.intros)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   615
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   616
apply(simp_all)[7]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   617
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   618
apply blast
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   619
apply(auto simp add: CPT_def image_def intro: CPrf.intros)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   620
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   621
apply(simp_all)[7]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   622
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   623
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   624
lemma test: 
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   625
  assumes "finite A"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   626
  shows "finite {vs. Stars vs \<in> A}"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   627
using assms
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   628
apply(induct A)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   629
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   630
apply(auto)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   631
apply(case_tac x)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   632
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   633
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   634
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   635
lemma CPTpre_STAR_finite:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   636
  assumes "\<And>s. finite (CPTpre r s)"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   637
  shows "finite (CPTpre (STAR r) s)"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   638
apply(induct s rule: length_induct)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   639
apply(case_tac xs)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   640
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   641
apply(simp add: CPTpre_subsets)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   642
apply(rule finite_subset)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   643
apply(rule CPTpre_subsets)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   644
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   645
apply(rule_tac B="(\<lambda>(v, vs). Stars (v#vs)) ` {(v, vs). v \<in> CPTpre r (a#list) \<and> flat v \<noteq> [] \<and> Stars vs \<in> CPTpre (STAR r) (drop (length (flat v)) (a#list))}" in finite_subset)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   646
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   647
apply(rule finite_imageI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   648
apply(simp add: Collect_case_prod_Sigma)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   649
apply(rule finite_SigmaI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   650
apply(rule assms)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   651
apply(case_tac "flat v = []")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   652
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   653
apply(drule_tac x="drop (length (flat v)) (a # list)" in spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   654
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   655
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   656
apply(rule test)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   657
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   658
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   659
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   660
lemma CPTpre_finite:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   661
  shows "finite (CPTpre r s)"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   662
apply(induct r arbitrary: s)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   663
apply(simp add: CPTpre_subsets)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   664
apply(rule finite_subset)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   665
apply(rule CPTpre_subsets)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   666
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   667
apply(rule finite_subset)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   668
apply(rule CPTpre_subsets)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   669
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   670
apply(rule finite_subset)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   671
apply(rule CPTpre_subsets)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   672
apply(rule_tac B="(\<lambda>(v1, v2). Seq v1 v2) ` {(v1, v2).  v1 \<in> CPTpre r1 s \<and> v2 \<in> CPTpre r2 (drop (length (flat v1)) s)}" in finite_subset)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   673
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   674
apply(rule finite_imageI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   675
apply(simp add: Collect_case_prod_Sigma)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   676
apply(rule finite_subset)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   677
apply(rule CPTpre_subsets)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   678
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   679
by (simp add: CPTpre_STAR_finite)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   680
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   681
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   682
lemma CPT_finite:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   683
  shows "finite (CPT r s)"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   684
apply(rule finite_subset)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   685
apply(rule CPT_CPTpre_subset)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   686
apply(rule CPTpre_finite)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   687
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   688
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   689
lemma Posix_CPT:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   690
  assumes "s \<in> r \<rightarrow> v"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   691
  shows "v \<in> CPT r s"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   692
using assms
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   693
apply(induct rule: Posix.induct)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   694
apply(simp add: CPT_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   695
apply(rule CPrf.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   696
apply(simp add: CPT_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   697
apply(rule CPrf.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   698
apply(simp add: CPT_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   699
apply(rule CPrf.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   700
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   701
apply(simp add: CPT_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   702
apply(rule CPrf.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   703
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   704
apply(simp add: CPT_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   705
apply(rule CPrf.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   706
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   707
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   708
apply(simp add: CPT_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   709
apply(rule CPrf.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   710
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   711
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   712
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   713
apply(simp add: CPT_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   714
apply(rule CPrf.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   715
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   716
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   717
lemma Posix_val_ord:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   718
  assumes "s \<in> r \<rightarrow> v1" "v2 \<in> CPTpre r s" 
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   719
  shows "v1 :\<sqsubseteq>val v2"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   720
using assms
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   721
apply(induct arbitrary: v2 rule: Posix.induct)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   722
apply(simp add: CPTpre_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   723
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   724
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   725
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   726
apply(simp add: val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   727
apply(simp add: CPTpre_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   728
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   729
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   730
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   731
apply(simp add: val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   732
(* ALT1 *)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   733
prefer 3
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   734
(* SEQ case *)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   735
apply(subst (asm) (3) CPTpre_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   736
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   737
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   738
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   739
apply(case_tac "s' = []")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   740
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   741
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   742
apply(simp add: val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   743
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   744
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   745
apply(simp add: val_ord_ex_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   746
apply(simp (no_asm) add: val_ord_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   747
apply(rule_tac x="[]" in exI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   748
apply(simp add: pflat_len_simps)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   749
apply(rule intlen_length)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   750
apply (metis Posix1(2) append_assoc append_eq_conv_conj drop_eq_Nil not_le)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   751
apply(subgoal_tac "length (flat v1a) \<le> length s1")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   752
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   753
apply (metis L_flat_Prf1 Prf_CPrf append_eq_append_conv_if append_take_drop_id drop_eq_Nil)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   754
apply(subst (asm) append_eq_append_conv_if)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   755
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   756
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   757
apply(drule_tac x="v1a" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   758
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   759
apply(auto simp add: CPTpre_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   760
using append_eq_conv_conj apply blast
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   761
apply(subst (asm) (2)val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   762
apply(erule disjE)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   763
apply(subst val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   764
apply(rule disjI1)
252
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   765
apply(rule val_ord_SeqI1)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   766
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   767
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   768
apply (metis Posix1(2) append_assoc append_take_drop_id)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   769
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   770
apply(drule_tac x="v2b" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   771
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   772
apply(auto simp add: CPTpre_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   773
apply (simp add: Posix1(2))
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   774
apply(subst (asm) val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   775
apply(erule disjE)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   776
apply(subst val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   777
apply(rule disjI1)
252
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
   778
apply(rule val_ord_SeqI2)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   779
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   780
apply (simp add: Posix1(2))
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   781
apply(subst val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   782
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   783
(* ALT *)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   784
apply(subst (asm) (2) CPTpre_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   785
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   786
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   787
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   788
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   789
apply(case_tac "s' = []")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   790
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   791
apply(drule_tac x="v1" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   792
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   793
apply(auto simp add: CPTpre_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   794
apply(subst (asm) val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   795
apply(erule disjE)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   796
apply(subst (asm) val_ord_ex_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   797
apply(erule exE)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   798
apply(subst val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   799
apply(rule disjI1)
251
925232418a15 polished
Christian Urban <urbanc@in.tum.de>
parents: 250
diff changeset
   800
apply(rule val_ord_LeftI)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   801
apply(subst val_ord_ex_def)
251
925232418a15 polished
Christian Urban <urbanc@in.tum.de>
parents: 250
diff changeset
   802
apply(auto)[1]
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   803
using Posix1(2) apply blast
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   804
using val_ord_ex1_def apply blast
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   805
apply(subst val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   806
apply(rule disjI1)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   807
apply (simp add: Posix1(2) val_ord_shorterI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   808
apply(subst val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   809
apply(rule disjI1)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   810
apply(case_tac "s' = []")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   811
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   812
apply(subst val_ord_ex_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   813
apply(rule_tac x="[0]" in exI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   814
apply(subst val_ord_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   815
apply(rule conjI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   816
apply(simp add: Pos_empty)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   817
apply(rule conjI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   818
apply(simp add: pflat_len_simps)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   819
apply (smt inlen_bigger)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   820
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   821
apply(rule conjI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   822
apply(simp add: pflat_len_simps)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   823
using Posix1(2) apply auto[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   824
apply(rule ballI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   825
apply(rule impI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   826
apply(case_tac "q = []")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   827
using Posix1(2) apply auto[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   828
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   829
apply(rule val_ord_shorterI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   830
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   831
apply (simp add: Posix1(2))
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   832
(* ALT RIGHT *)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   833
apply(subst (asm) (2) CPTpre_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   834
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   835
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   836
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   837
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   838
apply(case_tac "s' = []")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   839
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   840
apply (simp add: L_flat_Prf1 Prf_CPrf)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   841
apply(subst val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   842
apply(rule disjI1)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   843
apply(rule val_ord_shorterI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   844
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   845
apply (simp add: Posix1(2))
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   846
apply(case_tac "s' = []")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   847
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   848
apply(drule_tac x="v2a" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   849
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   850
apply(auto simp add: CPTpre_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   851
apply(subst (asm) val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   852
apply(erule disjE)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   853
apply(subst val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   854
apply(rule disjI1)
251
925232418a15 polished
Christian Urban <urbanc@in.tum.de>
parents: 250
diff changeset
   855
apply(rule val_ord_RightI)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   856
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   857
using Posix1(2) apply blast
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   858
apply (simp add: val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   859
apply(subst val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   860
apply(rule disjI1)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   861
apply(rule val_ord_shorterI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   862
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   863
apply (simp add: Posix1(2))
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   864
(* STAR empty case *)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   865
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   866
apply(subst (asm) CPTpre_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   867
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   868
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   869
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   870
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   871
apply (simp add: val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   872
(* STAR non-empty case *)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   873
apply(subst (asm) (3) CPTpre_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   874
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   875
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   876
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   877
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   878
apply (simp add: val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   879
apply(rule val_ord_shorterI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   880
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   881
apply(case_tac "s' = []")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   882
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   883
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   884
apply (simp add: val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   885
apply(rule disjI1)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   886
apply(rule val_ord_shorterI)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   887
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   888
apply (metis Posix1(2) append_assoc append_eq_conv_conj drop_all flat.simps(7) flat_Stars length_append not_less)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   889
apply(drule_tac x="va" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   890
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   891
apply(auto simp add: CPTpre_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   892
apply (smt L.simps(6) L_flat_Prf1 Prf_CPrf append_eq_append_conv2 flat_Stars self_append_conv)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   893
apply (subst (asm) (2) val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   894
apply(erule disjE)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   895
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   896
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   897
apply(drule_tac x="Stars vsa" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   898
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   899
apply(auto simp add: CPTpre_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   900
apply (simp add: Posix1(2))
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   901
apply (subst (asm) val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   902
apply(erule disjE)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   903
apply (subst val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   904
apply(rule disjI1)
253
ca4e9eb8d576 polished
Christian Urban <urbanc@in.tum.de>
parents: 252
diff changeset
   905
apply(rule val_ord_StarsI2)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   906
apply(simp)
253
ca4e9eb8d576 polished
Christian Urban <urbanc@in.tum.de>
parents: 252
diff changeset
   907
using Posix1(2) apply force
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   908
apply(simp add: val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   909
apply (subst val_ord_ex1_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   910
apply(rule disjI1)
253
ca4e9eb8d576 polished
Christian Urban <urbanc@in.tum.de>
parents: 252
diff changeset
   911
apply(rule val_ord_StarsI)
ca4e9eb8d576 polished
Christian Urban <urbanc@in.tum.de>
parents: 252
diff changeset
   912
apply(simp)
ca4e9eb8d576 polished
Christian Urban <urbanc@in.tum.de>
parents: 252
diff changeset
   913
apply(simp add: Posix1)
ca4e9eb8d576 polished
Christian Urban <urbanc@in.tum.de>
parents: 252
diff changeset
   914
using Posix1(2) by force
ca4e9eb8d576 polished
Christian Urban <urbanc@in.tum.de>
parents: 252
diff changeset
   915
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   916
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   917
lemma Posix_val_ord_stronger:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   918
  assumes "s \<in> r \<rightarrow> v1" "v2 \<in> CPT r s" 
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   919
  shows "v1 :\<sqsubseteq>val v2"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   920
using assms
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   921
apply(rule_tac Posix_val_ord)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   922
apply(assumption)
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   923
using CPT_CPTpre_subset by auto
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   924
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   925
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   926
lemma Posix_val_ord_reverse:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   927
  assumes "s \<in> r \<rightarrow> v1" 
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   928
  shows "\<not>(\<exists>v2 \<in> CPT r s. v2 :\<sqsubset>val v1)"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   929
using assms
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   930
by (metis Posix_val_ord_stronger less_irrefl val_ord_def 
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   931
    val_ord_ex1_def val_ord_ex_def val_ord_trans)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   932
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   933
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   934
lemma val_ord_Posix_Stars:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   935
  assumes "(Stars vs) \<in> CPT (STAR r) (flat (Stars vs))" "\<forall>v \<in> set vs. flat v \<in> r \<rightarrow> v"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   936
  and "\<not>(\<exists>vs2 \<in> PT (STAR r) (flat (Stars vs)). vs2 :\<sqsubset>val (Stars vs))"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   937
  shows "(flat (Stars vs)) \<in> (STAR r) \<rightarrow> Stars vs" 
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   938
using assms
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   939
apply(induct vs)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   940
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   941
apply(rule Posix.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   942
apply(simp (no_asm))
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   943
apply(rule Posix.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   944
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   945
apply(auto simp add: CPT_def PT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   946
defer
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   947
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   948
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   949
apply(auto simp add: CPT_def PT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   950
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   951
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   952
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   953
apply(auto simp add: CPT_def PT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   954
apply(erule Prf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   955
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   956
apply (metis CPrf_stars Cons_eq_map_conv Posix_CPT Posix_STAR2 Posix_val_ord_reverse list.exhaust list.set_intros(2) map_idI val.distinct(25))
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   957
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   958
apply(drule_tac x="Stars (a#v#vsa)" in spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   959
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   960
apply(drule mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   961
apply (meson CPrf_stars Prf.intros(7) Prf_CPrf list.set_intros(1))
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   962
apply(subst (asm) (2) val_ord_ex_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   963
apply(simp)
253
ca4e9eb8d576 polished
Christian Urban <urbanc@in.tum.de>
parents: 252
diff changeset
   964
apply (metis flat.simps(7) flat_Stars val_ord_StarsI2 val_ord_ex_def)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   965
apply(auto simp add: CPT_def PT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   966
using CPrf_stars apply auto[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   967
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   968
apply(auto simp add: CPT_def PT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   969
apply(subgoal_tac "\<exists>vA. flat vA = flat a @ s\<^sub>3 \<and> \<turnstile> vA : r")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   970
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   971
apply (meson L_flat_Prf2)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   972
apply(subgoal_tac "\<exists>vB. flat (Stars vB) = s\<^sub>4 \<and> \<turnstile> (Stars vB) : (STAR r)")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   973
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   974
apply(drule_tac x="Stars (vA # vB)" in spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   975
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   976
apply(drule mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   977
using Prf.intros(7) apply blast
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   978
apply(subst (asm) (2) val_ord_ex_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   979
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   980
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   981
apply(simp)
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
   982
using Star_values_exists apply blast
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   983
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   984
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   985
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   986
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   987
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   988
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   989
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   990
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   991
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   992
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   993
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   994
apply(rotate_tac 3)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   995
apply(erule Prf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   996
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   997
apply (metis CPrf_stars intlen.cases less_irrefl list.set_intros(1) val_ord_def val_ord_ex_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   998
apply(drule_tac x="Stars (v#va#vsb)" in spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
   999
apply(drule mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1000
apply (simp add: Posix1a Prf.intros(7))
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1001
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1002
apply(subst (asm) (2) val_ord_ex_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1003
apply(simp)
253
ca4e9eb8d576 polished
Christian Urban <urbanc@in.tum.de>
parents: 252
diff changeset
  1004
apply (metis flat.simps(7) flat_Stars val_ord_StarsI2 val_ord_ex_def)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1005
proof -
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1006
  fix a :: val and vsa :: "val list" and s\<^sub>3 :: "char list" and vA :: val and vB :: "val list"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1007
  assume a1: "s\<^sub>3 \<noteq> []"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1008
  assume a2: "s\<^sub>3 @ concat (map flat vB) = concat (map flat vsa)"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1009
  assume a3: "flat vA = flat a @ s\<^sub>3"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1010
  assume a4: "\<forall>p. \<not> Stars (vA # vB) \<sqsubset>val p Stars (a # vsa)"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1011
  have f5: "\<And>n cs. drop n (cs::char list) = [] \<or> n < length cs"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1012
    by (meson drop_eq_Nil not_less)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1013
  have f6: "\<not> length (flat vA) \<le> length (flat a)"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1014
    using a3 a1 by simp
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1015
  have "flat (Stars (a # vsa)) = flat (Stars (vA # vB))"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1016
    using a3 a2 by simp
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1017
  then show False
253
ca4e9eb8d576 polished
Christian Urban <urbanc@in.tum.de>
parents: 252
diff changeset
  1018
    using f6 f5 a4 by (metis (full_types) drop_eq_Nil val_ord_StarsI val_ord_ex_def val_ord_shorterI)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1019
qed
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1020
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
  1021
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1022
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
  1023
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1024
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1025
lemma val_ord_Posix:
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1026
  assumes "v1 \<in> CPT r s" "\<not>(\<exists>v2 \<in> PT r s. v2 :\<sqsubset>val v1)"
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1027
  shows "s \<in> r \<rightarrow> v1" 
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1028
using assms
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1029
apply(induct r arbitrary: s v1)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1030
apply(auto simp add: CPT_def PT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1031
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1032
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1033
(* ONE *)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1034
apply(auto simp add: CPT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1035
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1036
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1037
apply(rule Posix.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1038
(* CHAR *)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1039
apply(auto simp add: CPT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1040
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1041
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1042
apply(rule Posix.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1043
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1044
(* ALT *)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1045
apply(auto simp add: CPT_def PT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1046
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1047
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1048
apply(rule Posix.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1049
apply(drule_tac x="flat v1a" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1050
apply(drule_tac x="v1a" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1051
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1052
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1053
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1054
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1055
apply(drule_tac x="Left v2" in spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1056
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1057
apply(drule mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1058
apply(rule Prf.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1059
apply(simp)
251
925232418a15 polished
Christian Urban <urbanc@in.tum.de>
parents: 250
diff changeset
  1060
apply (meson val_ord_LeftI)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1061
apply(assumption)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1062
(* ALT Right *)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1063
apply(auto simp add: CPT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1064
apply(rule Posix.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1065
apply(rotate_tac 1)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1066
apply(drule_tac x="flat v2" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1067
apply(drule_tac x="v2" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1068
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1069
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1070
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1071
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1072
apply(drule_tac x="Right v2a" in spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1073
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1074
apply(drule mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1075
apply(rule Prf.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1076
apply(simp)
251
925232418a15 polished
Christian Urban <urbanc@in.tum.de>
parents: 250
diff changeset
  1077
apply(drule val_ord_RightI)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1078
apply(assumption)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1079
apply(auto simp add: val_ord_ex_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1080
apply(assumption)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1081
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1082
apply(subgoal_tac "\<exists>v2'. flat v2' = flat v2 \<and> \<turnstile> v2' : r1a")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1083
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1084
apply(drule_tac x="Left v2'" in spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1085
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1086
apply(drule mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1087
apply(rule Prf.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1088
apply(assumption)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1089
apply(simp add: val_ord_ex_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1090
apply(subst (asm) (3) val_ord_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1091
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1092
apply(simp add: pflat_len_simps)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1093
apply(drule_tac x="[0]" in spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1094
apply(simp add: pflat_len_simps Pos_empty)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1095
apply(drule mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1096
apply (smt inlen_bigger)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1097
apply(erule disjE)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1098
apply blast
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1099
apply auto[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1100
apply (meson L_flat_Prf2)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1101
(* SEQ *)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1102
apply(auto simp add: CPT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1103
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1104
apply(simp_all)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1105
apply(rule Posix.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1106
apply(drule_tac x="flat v1a" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1107
apply(drule_tac x="v1a" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1108
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1109
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1110
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1111
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1112
apply(auto simp add: PT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1113
apply(drule_tac x="Seq v2a v2" in spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1114
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1115
apply(drule mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1116
apply (simp add: Prf.intros(1) Prf_CPrf)
252
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
  1117
using val_ord_SeqI1 apply fastforce
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1118
apply(assumption)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1119
apply(rotate_tac 1)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1120
apply(drule_tac x="flat v2" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1121
apply(drule_tac x="v2" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1122
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1123
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1124
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1125
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1126
apply(auto simp add: PT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1127
apply(drule_tac x="Seq v1a v2a" in spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1128
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1129
apply(drule mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1130
apply (simp add: Prf.intros(1) Prf_CPrf)
252
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
  1131
apply (meson val_ord_SeqI2)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1132
apply(assumption)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1133
(* SEQ side condition *)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1134
apply(auto simp add: PT_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1135
apply(subgoal_tac "\<exists>vA. flat vA = flat v1a @ s\<^sub>3 \<and> \<turnstile> vA : r1a")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1136
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1137
apply (meson L_flat_Prf2)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1138
apply(subgoal_tac "\<exists>vB. flat vB = s\<^sub>4 \<and> \<turnstile> vB : r2a")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1139
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1140
apply (meson L_flat_Prf2)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1141
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1142
apply(drule_tac x="Seq vA vB" in spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1143
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1144
apply(drule mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1145
apply (simp add: Prf.intros(1))
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1146
apply(subst (asm) (3) val_ord_ex_def)
252
022b80503766 polished
Christian Urban <urbanc@in.tum.de>
parents: 251
diff changeset
  1147
apply (metis append_Nil2 append_assoc append_eq_conv_conj flat.simps(5) length_append not_add_less1 not_less_iff_gr_or_eq val_ord_SeqI1 val_ord_ex_def val_ord_shorterI)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1148
(* STAR *)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1149
apply(auto simp add: CPT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1150
apply(erule CPrf.cases)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1151
apply(simp_all)[6]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1152
using Posix_STAR2 apply blast
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1153
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1154
apply(rule val_ord_Posix_Stars)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1155
apply(auto simp add: CPT_def)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1156
apply (simp add: CPrf.intros(7))
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1157
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1158
apply(drule_tac x="flat v" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1159
apply(drule_tac x="v" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1160
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1161
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1162
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1163
apply(drule_tac x="Stars (v2#vs)" in spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1164
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1165
apply(drule mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1166
using Prf.intros(7) Prf_CPrf apply blast
253
ca4e9eb8d576 polished
Christian Urban <urbanc@in.tum.de>
parents: 252
diff changeset
  1167
apply(simp add: val_ord_StarsI)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1168
apply(assumption)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1169
apply(drule_tac x="flat va" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1170
apply(drule_tac x="va" in meta_spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1171
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1172
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1173
using CPrf_stars apply blast
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1174
apply(drule meta_mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1175
apply(auto)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1176
apply(subgoal_tac "\<exists>pre post. vs = pre @ [va] @ post")
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1177
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1178
apply (metis append_Cons append_Nil in_set_conv_decomp_first)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1179
apply(clarify)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1180
apply(drule_tac x="Stars (v#(pre @ [v2] @ post))" in spec)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1181
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1182
apply(drule mp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1183
apply(rule Prf.intros)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1184
apply (simp add: Prf_CPrf)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1185
apply(rule Prf_Stars_append)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1186
apply(drule CPrf_Stars_appendE)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1187
apply(auto simp add: Prf_CPrf)[1]
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1188
apply (metis CPrf_Stars_appendE CPrf_stars Prf_CPrf Prf_Stars list.set_intros(2) set_ConsD)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1189
apply(subgoal_tac "\<not> Stars ([v] @ pre @ v2 # post) :\<sqsubset>val Stars ([v] @ pre @ va # post)")
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
  1190
apply(subst (asm) val_ord_Stars_append_eq)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1191
apply(simp)
254
7c89d3f6923e polished
Christian Urban <urbanc@in.tum.de>
parents: 253
diff changeset
  1192
apply(subst (asm) val_ord_Stars_append_eq)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1193
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1194
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1195
apply(simp)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1196
prefer 2
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1197
apply(simp)
253
ca4e9eb8d576 polished
Christian Urban <urbanc@in.tum.de>
parents: 252
diff changeset
  1198
apply (simp add: val_ord_StarsI)
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1199
apply(auto simp add: PT_def)
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1200
done
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1201
249
256484ef4be4 updated
Christian Urban <urbanc@in.tum.de>
parents: 248
diff changeset
  1202
unused_thms
256484ef4be4 updated
Christian Urban <urbanc@in.tum.de>
parents: 248
diff changeset
  1203
248
b90ff5abb437 added a proof that Positional ordering is equivalent to direct posix definition
Christian Urban <urbanc@in.tum.de>
parents:
diff changeset
  1204
end