Nominal/Ex/SingleLet.thy
author Christian Urban <urbanc@in.tum.de>
Thu, 26 Aug 2010 02:08:00 +0800
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theory SingleLet
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imports "../NewParser"
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begin
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atom_decl name
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declare [[STEPS = 100]]
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nominal_datatype single_let: trm  =
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  Var "name"
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| App "trm" "trm"
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| Lam x::"name" t::"trm"  bind x in t
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| Let a::"assg" t::"trm"  bind (set) "bn a" in t
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| Foo x::"name" y::"name" t::"trm" t1::"trm" t2::"trm" bind (set) x in y t t1 t2
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| Bar x::"name" y::"name" t::"trm" bind y x in t x y
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| Baz x::"name" t1::"trm" t2::"trm" bind x in t1, bind x in t2 
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and assg =
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  As "name" x::"name" t::"trm" bind x in t
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binder
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  bn::"assg \<Rightarrow> atom set"
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where
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  "bn (As x y t) = {atom x}"
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thm single_let.distinct
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thm single_let.induct
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thm single_let.exhaust
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thm single_let.fv_defs
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thm single_let.bn_defs
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thm single_let.perm_simps
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thm single_let.eq_iff
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thm single_let.fv_bn_eqvt
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thm single_let.size_eqvt
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(*
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lemma supp_fv:
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  "supp t = fv_trm t"
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  "supp b = fv_bn b"
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apply(induct t and b rule: i1)
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apply(simp_all add: f1)
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apply(simp_all add: supp_def)
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apply(simp_all add: b1)
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sorry
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consts perm_bn_trm :: "perm \<Rightarrow> trm \<Rightarrow> trm"
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consts perm_bn_assg :: "perm \<Rightarrow> assg \<Rightarrow> assg"
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lemma y:
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  "perm_bn_trm p (Var x) = (Var x)"
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  "perm_bn_trm p (App t1 t2) = (App t1 t2)"
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  "perm_bn_trm p ("
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typ trm
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typ assg
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thm trm_assg.fv
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thm trm_assg.supp
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thm trm_assg.eq_iff
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thm trm_assg.bn
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thm trm_assg.perm
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thm trm_assg.induct
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thm trm_assg.inducts
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thm trm_assg.distinct
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ML {* Sign.of_sort @{theory} (@{typ trm}, @{sort fs}) *}
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*)
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end
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