author | haftmann |
Mon, 04 Jan 2010 16:00:23 +0100 | |
changeset 34250 | 3b619abaa67a |
parent 33723 | 14d0dadd9517 |
child 34913 | d8cb720c9c53 |
permissions | -rw-r--r-- |
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(* Title: HOL/Extraction.thy |
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ID: $Id$ |
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Author: Stefan Berghofer, TU Muenchen |
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*) |
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header {* Program extraction for HOL *} |
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theory Extraction |
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imports Option |
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uses "Tools/rewrite_hol_proof.ML" |
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begin |
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subsection {* Setup *} |
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setup {* |
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Extraction.add_types |
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[("bool", ([], NONE))] #> |
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Extraction.set_preprocessor (fn thy => |
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Proofterm.rewrite_proof_notypes |
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([], RewriteHOLProof.elim_cong :: ProofRewriteRules.rprocs true) o |
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Proofterm.rewrite_proof thy |
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(RewriteHOLProof.rews, ProofRewriteRules.rprocs true) o |
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ProofRewriteRules.elim_vars (curry Const @{const_name default})) |
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*} |
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lemmas [extraction_expand] = |
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meta_spec atomize_eq atomize_all atomize_imp atomize_conj |
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allE rev_mp conjE Eq_TrueI Eq_FalseI eqTrueI eqTrueE eq_cong2 |
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notE' impE' impE iffE imp_cong simp_thms eq_True eq_False |
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induct_forall_eq induct_implies_eq induct_equal_eq induct_conj_eq |
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induct_atomize induct_rulify induct_rulify_fallback |
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True_implies_equals TrueE |
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lemmas [extraction_expand_def] = |
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induct_forall_def induct_implies_def induct_equal_def induct_conj_def |
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datatype sumbool = Left | Right |
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subsection {* Type of extracted program *} |
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extract_type |
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"typeof (Trueprop P) \<equiv> typeof P" |
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"typeof P \<equiv> Type (TYPE(Null)) \<Longrightarrow> typeof Q \<equiv> Type (TYPE('Q)) \<Longrightarrow> |
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typeof (P \<longrightarrow> Q) \<equiv> Type (TYPE('Q))" |
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"typeof Q \<equiv> Type (TYPE(Null)) \<Longrightarrow> typeof (P \<longrightarrow> Q) \<equiv> Type (TYPE(Null))" |
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"typeof P \<equiv> Type (TYPE('P)) \<Longrightarrow> typeof Q \<equiv> Type (TYPE('Q)) \<Longrightarrow> |
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typeof (P \<longrightarrow> Q) \<equiv> Type (TYPE('P \<Rightarrow> 'Q))" |
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"(\<lambda>x. typeof (P x)) \<equiv> (\<lambda>x. Type (TYPE(Null))) \<Longrightarrow> |
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typeof (\<forall>x. P x) \<equiv> Type (TYPE(Null))" |
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"(\<lambda>x. typeof (P x)) \<equiv> (\<lambda>x. Type (TYPE('P))) \<Longrightarrow> |
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typeof (\<forall>x::'a. P x) \<equiv> Type (TYPE('a \<Rightarrow> 'P))" |
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"(\<lambda>x. typeof (P x)) \<equiv> (\<lambda>x. Type (TYPE(Null))) \<Longrightarrow> |
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typeof (\<exists>x::'a. P x) \<equiv> Type (TYPE('a))" |
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"(\<lambda>x. typeof (P x)) \<equiv> (\<lambda>x. Type (TYPE('P))) \<Longrightarrow> |
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typeof (\<exists>x::'a. P x) \<equiv> Type (TYPE('a \<times> 'P))" |
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"typeof P \<equiv> Type (TYPE(Null)) \<Longrightarrow> typeof Q \<equiv> Type (TYPE(Null)) \<Longrightarrow> |
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typeof (P \<or> Q) \<equiv> Type (TYPE(sumbool))" |
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"typeof P \<equiv> Type (TYPE(Null)) \<Longrightarrow> typeof Q \<equiv> Type (TYPE('Q)) \<Longrightarrow> |
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typeof (P \<or> Q) \<equiv> Type (TYPE('Q option))" |
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"typeof P \<equiv> Type (TYPE('P)) \<Longrightarrow> typeof Q \<equiv> Type (TYPE(Null)) \<Longrightarrow> |
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typeof (P \<or> Q) \<equiv> Type (TYPE('P option))" |
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"typeof P \<equiv> Type (TYPE('P)) \<Longrightarrow> typeof Q \<equiv> Type (TYPE('Q)) \<Longrightarrow> |
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typeof (P \<or> Q) \<equiv> Type (TYPE('P + 'Q))" |
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"typeof P \<equiv> Type (TYPE(Null)) \<Longrightarrow> typeof Q \<equiv> Type (TYPE('Q)) \<Longrightarrow> |
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typeof (P \<and> Q) \<equiv> Type (TYPE('Q))" |
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"typeof P \<equiv> Type (TYPE('P)) \<Longrightarrow> typeof Q \<equiv> Type (TYPE(Null)) \<Longrightarrow> |
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typeof (P \<and> Q) \<equiv> Type (TYPE('P))" |
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"typeof P \<equiv> Type (TYPE('P)) \<Longrightarrow> typeof Q \<equiv> Type (TYPE('Q)) \<Longrightarrow> |
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typeof (P \<and> Q) \<equiv> Type (TYPE('P \<times> 'Q))" |
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"typeof (P = Q) \<equiv> typeof ((P \<longrightarrow> Q) \<and> (Q \<longrightarrow> P))" |
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"typeof (x \<in> P) \<equiv> typeof P" |
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subsection {* Realizability *} |
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realizability |
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"(realizes t (Trueprop P)) \<equiv> (Trueprop (realizes t P))" |
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"(typeof P) \<equiv> (Type (TYPE(Null))) \<Longrightarrow> |
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(realizes t (P \<longrightarrow> Q)) \<equiv> (realizes Null P \<longrightarrow> realizes t Q)" |
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"(typeof P) \<equiv> (Type (TYPE('P))) \<Longrightarrow> |
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(typeof Q) \<equiv> (Type (TYPE(Null))) \<Longrightarrow> |
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(realizes t (P \<longrightarrow> Q)) \<equiv> (\<forall>x::'P. realizes x P \<longrightarrow> realizes Null Q)" |
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"(realizes t (P \<longrightarrow> Q)) \<equiv> (\<forall>x. realizes x P \<longrightarrow> realizes (t x) Q)" |
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"(\<lambda>x. typeof (P x)) \<equiv> (\<lambda>x. Type (TYPE(Null))) \<Longrightarrow> |
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(realizes t (\<forall>x. P x)) \<equiv> (\<forall>x. realizes Null (P x))" |
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"(realizes t (\<forall>x. P x)) \<equiv> (\<forall>x. realizes (t x) (P x))" |
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"(\<lambda>x. typeof (P x)) \<equiv> (\<lambda>x. Type (TYPE(Null))) \<Longrightarrow> |
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(realizes t (\<exists>x. P x)) \<equiv> (realizes Null (P t))" |
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"(realizes t (\<exists>x. P x)) \<equiv> (realizes (snd t) (P (fst t)))" |
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"(typeof P) \<equiv> (Type (TYPE(Null))) \<Longrightarrow> |
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(typeof Q) \<equiv> (Type (TYPE(Null))) \<Longrightarrow> |
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(realizes t (P \<or> Q)) \<equiv> |
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(case t of Left \<Rightarrow> realizes Null P | Right \<Rightarrow> realizes Null Q)" |
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"(typeof P) \<equiv> (Type (TYPE(Null))) \<Longrightarrow> |
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(realizes t (P \<or> Q)) \<equiv> |
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(case t of None \<Rightarrow> realizes Null P | Some q \<Rightarrow> realizes q Q)" |
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"(typeof Q) \<equiv> (Type (TYPE(Null))) \<Longrightarrow> |
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(realizes t (P \<or> Q)) \<equiv> |
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(case t of None \<Rightarrow> realizes Null Q | Some p \<Rightarrow> realizes p P)" |
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"(realizes t (P \<or> Q)) \<equiv> |
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(case t of Inl p \<Rightarrow> realizes p P | Inr q \<Rightarrow> realizes q Q)" |
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"(typeof P) \<equiv> (Type (TYPE(Null))) \<Longrightarrow> |
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(realizes t (P \<and> Q)) \<equiv> (realizes Null P \<and> realizes t Q)" |
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"(typeof Q) \<equiv> (Type (TYPE(Null))) \<Longrightarrow> |
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(realizes t (P \<and> Q)) \<equiv> (realizes t P \<and> realizes Null Q)" |
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"(realizes t (P \<and> Q)) \<equiv> (realizes (fst t) P \<and> realizes (snd t) Q)" |
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"typeof P \<equiv> Type (TYPE(Null)) \<Longrightarrow> |
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realizes t (\<not> P) \<equiv> \<not> realizes Null P" |
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"typeof P \<equiv> Type (TYPE('P)) \<Longrightarrow> |
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realizes t (\<not> P) \<equiv> (\<forall>x::'P. \<not> realizes x P)" |
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"typeof (P::bool) \<equiv> Type (TYPE(Null)) \<Longrightarrow> |
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typeof Q \<equiv> Type (TYPE(Null)) \<Longrightarrow> |
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realizes t (P = Q) \<equiv> realizes Null P = realizes Null Q" |
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"(realizes t (P = Q)) \<equiv> (realizes t ((P \<longrightarrow> Q) \<and> (Q \<longrightarrow> P)))" |
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subsection {* Computational content of basic inference rules *} |
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theorem disjE_realizer: |
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assumes r: "case x of Inl p \<Rightarrow> P p | Inr q \<Rightarrow> Q q" |
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and r1: "\<And>p. P p \<Longrightarrow> R (f p)" and r2: "\<And>q. Q q \<Longrightarrow> R (g q)" |
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shows "R (case x of Inl p \<Rightarrow> f p | Inr q \<Rightarrow> g q)" |
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proof (cases x) |
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case Inl |
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with r show ?thesis by simp (rule r1) |
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next |
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case Inr |
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with r show ?thesis by simp (rule r2) |
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qed |
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theorem disjE_realizer2: |
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assumes r: "case x of None \<Rightarrow> P | Some q \<Rightarrow> Q q" |
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and r1: "P \<Longrightarrow> R f" and r2: "\<And>q. Q q \<Longrightarrow> R (g q)" |
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shows "R (case x of None \<Rightarrow> f | Some q \<Rightarrow> g q)" |
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proof (cases x) |
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case None |
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with r show ?thesis by simp (rule r1) |
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next |
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case Some |
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with r show ?thesis by simp (rule r2) |
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qed |
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theorem disjE_realizer3: |
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assumes r: "case x of Left \<Rightarrow> P | Right \<Rightarrow> Q" |
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and r1: "P \<Longrightarrow> R f" and r2: "Q \<Longrightarrow> R g" |
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shows "R (case x of Left \<Rightarrow> f | Right \<Rightarrow> g)" |
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proof (cases x) |
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case Left |
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with r show ?thesis by simp (rule r1) |
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next |
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case Right |
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with r show ?thesis by simp (rule r2) |
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qed |
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theorem conjI_realizer: |
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"P p \<Longrightarrow> Q q \<Longrightarrow> P (fst (p, q)) \<and> Q (snd (p, q))" |
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by simp |
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theorem exI_realizer: |
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"P y x \<Longrightarrow> P (snd (x, y)) (fst (x, y))" by simp |
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theorem exE_realizer: "P (snd p) (fst p) \<Longrightarrow> |
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(\<And>x y. P y x \<Longrightarrow> Q (f x y)) \<Longrightarrow> Q (let (x, y) = p in f x y)" |
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by (cases p) (simp add: Let_def) |
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theorem exE_realizer': "P (snd p) (fst p) \<Longrightarrow> |
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(\<And>x y. P y x \<Longrightarrow> Q) \<Longrightarrow> Q" by (cases p) simp |
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setup {* |
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Sign.add_const_constraint (@{const_name "default"}, SOME @{typ "'a::type"}) |
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*} |
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realizers |
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impI (P, Q): "\<lambda>pq. pq" |
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"\<Lambda> P Q pq (h: _). allI \<cdot> _ \<bullet> (\<Lambda> x. impI \<cdot> _ \<cdot> _ \<bullet> (h \<cdot> x))" |
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impI (P): "Null" |
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"\<Lambda> P Q (h: _). allI \<cdot> _ \<bullet> (\<Lambda> x. impI \<cdot> _ \<cdot> _ \<bullet> (h \<cdot> x))" |
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impI (Q): "\<lambda>q. q" "\<Lambda> P Q q. impI \<cdot> _ \<cdot> _" |
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impI: "Null" "impI" |
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mp (P, Q): "\<lambda>pq. pq" |
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"\<Lambda> P Q pq (h: _) p. mp \<cdot> _ \<cdot> _ \<bullet> (spec \<cdot> _ \<cdot> p \<bullet> h)" |
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mp (P): "Null" |
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"\<Lambda> P Q (h: _) p. mp \<cdot> _ \<cdot> _ \<bullet> (spec \<cdot> _ \<cdot> p \<bullet> h)" |
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mp (Q): "\<lambda>q. q" "\<Lambda> P Q q. mp \<cdot> _ \<cdot> _" |
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mp: "Null" "mp" |
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allI (P): "\<lambda>p. p" "\<Lambda> P p. allI \<cdot> _" |
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allI: "Null" "allI" |
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spec (P): "\<lambda>x p. p x" "\<Lambda> P x p. spec \<cdot> _ \<cdot> x" |
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spec: "Null" "spec" |
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exI (P): "\<lambda>x p. (x, p)" "\<Lambda> P x p. exI_realizer \<cdot> P \<cdot> p \<cdot> x" |
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exI: "\<lambda>x. x" "\<Lambda> P x (h: _). h" |
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exE (P, Q): "\<lambda>p pq. let (x, y) = p in pq x y" |
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"\<Lambda> P Q p (h: _) pq. exE_realizer \<cdot> P \<cdot> p \<cdot> Q \<cdot> pq \<bullet> h" |
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exE (P): "Null" |
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"\<Lambda> P Q p. exE_realizer' \<cdot> _ \<cdot> _ \<cdot> _" |
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exE (Q): "\<lambda>x pq. pq x" |
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"\<Lambda> P Q x (h1: _) pq (h2: _). h2 \<cdot> x \<bullet> h1" |
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exE: "Null" |
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"\<Lambda> P Q x (h1: _) (h2: _). h2 \<cdot> x \<bullet> h1" |
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conjI (P, Q): "Pair" |
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"\<Lambda> P Q p (h: _) q. conjI_realizer \<cdot> P \<cdot> p \<cdot> Q \<cdot> q \<bullet> h" |
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conjI (P): "\<lambda>p. p" |
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"\<Lambda> P Q p. conjI \<cdot> _ \<cdot> _" |
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conjI (Q): "\<lambda>q. q" |
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"\<Lambda> P Q (h: _) q. conjI \<cdot> _ \<cdot> _ \<bullet> h" |
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conjI: "Null" "conjI" |
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conjunct1 (P, Q): "fst" |
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"\<Lambda> P Q pq. conjunct1 \<cdot> _ \<cdot> _" |
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conjunct1 (P): "\<lambda>p. p" |
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"\<Lambda> P Q p. conjunct1 \<cdot> _ \<cdot> _" |
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conjunct1 (Q): "Null" |
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"\<Lambda> P Q q. conjunct1 \<cdot> _ \<cdot> _" |
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270 |
conjunct1: "Null" "conjunct1" |
13403 | 271 |
|
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272 |
conjunct2 (P, Q): "snd" |
14168
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|
273 |
"\<Lambda> P Q pq. conjunct2 \<cdot> _ \<cdot> _" |
13403 | 274 |
|
275 |
conjunct2 (P): "Null" |
|
14168
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|
276 |
"\<Lambda> P Q p. conjunct2 \<cdot> _ \<cdot> _" |
13403 | 277 |
|
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|
278 |
conjunct2 (Q): "\<lambda>p. p" |
14168
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|
279 |
"\<Lambda> P Q p. conjunct2 \<cdot> _ \<cdot> _" |
13403 | 280 |
|
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|
281 |
conjunct2: "Null" "conjunct2" |
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|
282 |
|
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|
283 |
disjI1 (P, Q): "Inl" |
14168
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Prepared for extended identifiers (\<alpha>, etc.)
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|
284 |
"\<Lambda> P Q p. iffD2 \<cdot> _ \<cdot> _ \<bullet> (sum.cases_1 \<cdot> P \<cdot> _ \<cdot> p)" |
13403 | 285 |
|
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|
286 |
disjI1 (P): "Some" |
14168
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|
287 |
"\<Lambda> P Q p. iffD2 \<cdot> _ \<cdot> _ \<bullet> (option.cases_2 \<cdot> _ \<cdot> P \<cdot> p)" |
13403 | 288 |
|
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|
289 |
disjI1 (Q): "None" |
14168
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|
290 |
"\<Lambda> P Q. iffD2 \<cdot> _ \<cdot> _ \<bullet> (option.cases_1 \<cdot> _ \<cdot> _)" |
13403 | 291 |
|
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|
292 |
disjI1: "Left" |
14168
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|
293 |
"\<Lambda> P Q. iffD2 \<cdot> _ \<cdot> _ \<bullet> (sumbool.cases_1 \<cdot> _ \<cdot> _)" |
13403 | 294 |
|
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|
295 |
disjI2 (P, Q): "Inr" |
14168
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|
296 |
"\<Lambda> Q P q. iffD2 \<cdot> _ \<cdot> _ \<bullet> (sum.cases_2 \<cdot> _ \<cdot> Q \<cdot> q)" |
13403 | 297 |
|
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|
298 |
disjI2 (P): "None" |
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|
299 |
"\<Lambda> Q P. iffD2 \<cdot> _ \<cdot> _ \<bullet> (option.cases_1 \<cdot> _ \<cdot> _)" |
13403 | 300 |
|
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|
301 |
disjI2 (Q): "Some" |
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|
302 |
"\<Lambda> Q P q. iffD2 \<cdot> _ \<cdot> _ \<bullet> (option.cases_2 \<cdot> _ \<cdot> Q \<cdot> q)" |
13403 | 303 |
|
13725
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|
304 |
disjI2: "Right" |
14168
ed81cd283816
Prepared for extended identifiers (\<alpha>, etc.)
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changeset
|
305 |
"\<Lambda> Q P. iffD2 \<cdot> _ \<cdot> _ \<bullet> (sumbool.cases_2 \<cdot> _ \<cdot> _)" |
13403 | 306 |
|
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|
307 |
disjE (P, Q, R): "\<lambda>pq pr qr. |
13403 | 308 |
(case pq of Inl p \<Rightarrow> pr p | Inr q \<Rightarrow> qr q)" |
14168
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|
309 |
"\<Lambda> P Q R pq (h1: _) pr (h2: _) qr. |
13725
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|
310 |
disjE_realizer \<cdot> _ \<cdot> _ \<cdot> pq \<cdot> R \<cdot> pr \<cdot> qr \<bullet> h1 \<bullet> h2" |
13403 | 311 |
|
13725
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|
312 |
disjE (Q, R): "\<lambda>pq pr qr. |
13403 | 313 |
(case pq of None \<Rightarrow> pr | Some q \<Rightarrow> qr q)" |
14168
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|
314 |
"\<Lambda> P Q R pq (h1: _) pr (h2: _) qr. |
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|
315 |
disjE_realizer2 \<cdot> _ \<cdot> _ \<cdot> pq \<cdot> R \<cdot> pr \<cdot> qr \<bullet> h1 \<bullet> h2" |
13403 | 316 |
|
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|
317 |
disjE (P, R): "\<lambda>pq pr qr. |
13403 | 318 |
(case pq of None \<Rightarrow> qr | Some p \<Rightarrow> pr p)" |
14168
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|
319 |
"\<Lambda> P Q R pq (h1: _) pr (h2: _) qr (h3: _). |
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|
320 |
disjE_realizer2 \<cdot> _ \<cdot> _ \<cdot> pq \<cdot> R \<cdot> qr \<cdot> pr \<bullet> h1 \<bullet> h3 \<bullet> h2" |
13403 | 321 |
|
13725
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|
322 |
disjE (R): "\<lambda>pq pr qr. |
13403 | 323 |
(case pq of Left \<Rightarrow> pr | Right \<Rightarrow> qr)" |
14168
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Prepared for extended identifiers (\<alpha>, etc.)
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|
324 |
"\<Lambda> P Q R pq (h1: _) pr (h2: _) qr. |
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|
325 |
disjE_realizer3 \<cdot> _ \<cdot> _ \<cdot> pq \<cdot> R \<cdot> pr \<cdot> qr \<bullet> h1 \<bullet> h2" |
13403 | 326 |
|
327 |
disjE (P, Q): "Null" |
|
14168
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|
328 |
"\<Lambda> P Q R pq. disjE_realizer \<cdot> _ \<cdot> _ \<cdot> pq \<cdot> (\<lambda>x. R) \<cdot> _ \<cdot> _" |
13403 | 329 |
|
330 |
disjE (Q): "Null" |
|
14168
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|
331 |
"\<Lambda> P Q R pq. disjE_realizer2 \<cdot> _ \<cdot> _ \<cdot> pq \<cdot> (\<lambda>x. R) \<cdot> _ \<cdot> _" |
13403 | 332 |
|
333 |
disjE (P): "Null" |
|
14168
ed81cd283816
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|
334 |
"\<Lambda> P Q R pq (h1: _) (h2: _) (h3: _). |
13725
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|
335 |
disjE_realizer2 \<cdot> _ \<cdot> _ \<cdot> pq \<cdot> (\<lambda>x. R) \<cdot> _ \<cdot> _ \<bullet> h1 \<bullet> h3 \<bullet> h2" |
13403 | 336 |
|
337 |
disjE: "Null" |
|
14168
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|
338 |
"\<Lambda> P Q R pq. disjE_realizer3 \<cdot> _ \<cdot> _ \<cdot> pq \<cdot> (\<lambda>x. R) \<cdot> _ \<cdot> _" |
13403 | 339 |
|
27982 | 340 |
FalseE (P): "default" |
14168
ed81cd283816
Prepared for extended identifiers (\<alpha>, etc.)
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|
341 |
"\<Lambda> P. FalseE \<cdot> _" |
13403 | 342 |
|
13725
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|
343 |
FalseE: "Null" "FalseE" |
13403 | 344 |
|
345 |
notI (P): "Null" |
|
14168
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|
346 |
"\<Lambda> P (h: _). allI \<cdot> _ \<bullet> (\<Lambda> x. notI \<cdot> _ \<bullet> (h \<cdot> x))" |
13403 | 347 |
|
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|
348 |
notI: "Null" "notI" |
13403 | 349 |
|
27982 | 350 |
notE (P, R): "\<lambda>p. default" |
14168
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Prepared for extended identifiers (\<alpha>, etc.)
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changeset
|
351 |
"\<Lambda> P R (h: _) p. notE \<cdot> _ \<cdot> _ \<bullet> (spec \<cdot> _ \<cdot> p \<bullet> h)" |
13403 | 352 |
|
353 |
notE (P): "Null" |
|
14168
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|
354 |
"\<Lambda> P R (h: _) p. notE \<cdot> _ \<cdot> _ \<bullet> (spec \<cdot> _ \<cdot> p \<bullet> h)" |
13403 | 355 |
|
27982 | 356 |
notE (R): "default" |
14168
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changeset
|
357 |
"\<Lambda> P R. notE \<cdot> _ \<cdot> _" |
13403 | 358 |
|
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|
359 |
notE: "Null" "notE" |
13403 | 360 |
|
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|
361 |
subst (P): "\<lambda>s t ps. ps" |
14168
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|
362 |
"\<Lambda> s t P (h: _) ps. subst \<cdot> s \<cdot> t \<cdot> P ps \<bullet> h" |
13403 | 363 |
|
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|
364 |
subst: "Null" "subst" |
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changeset
|
365 |
|
12404b452034
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|
366 |
iffD1 (P, Q): "fst" |
14168
ed81cd283816
Prepared for extended identifiers (\<alpha>, etc.)
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changeset
|
367 |
"\<Lambda> Q P pq (h: _) p. |
13403 | 368 |
mp \<cdot> _ \<cdot> _ \<bullet> (spec \<cdot> _ \<cdot> p \<bullet> (conjunct1 \<cdot> _ \<cdot> _ \<bullet> h))" |
369 |
||
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|
370 |
iffD1 (P): "\<lambda>p. p" |
14168
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changeset
|
371 |
"\<Lambda> Q P p (h: _). mp \<cdot> _ \<cdot> _ \<bullet> (conjunct1 \<cdot> _ \<cdot> _ \<bullet> h)" |
13403 | 372 |
|
373 |
iffD1 (Q): "Null" |
|
14168
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|
374 |
"\<Lambda> Q P q1 (h: _) q2. |
13403 | 375 |
mp \<cdot> _ \<cdot> _ \<bullet> (spec \<cdot> _ \<cdot> q2 \<bullet> (conjunct1 \<cdot> _ \<cdot> _ \<bullet> h))" |
376 |
||
13725
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|
377 |
iffD1: "Null" "iffD1" |
13403 | 378 |
|
13725
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|
379 |
iffD2 (P, Q): "snd" |
14168
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Prepared for extended identifiers (\<alpha>, etc.)
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|
380 |
"\<Lambda> P Q pq (h: _) q. |
13403 | 381 |
mp \<cdot> _ \<cdot> _ \<bullet> (spec \<cdot> _ \<cdot> q \<bullet> (conjunct2 \<cdot> _ \<cdot> _ \<bullet> h))" |
382 |
||
13725
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diff
changeset
|
383 |
iffD2 (P): "\<lambda>p. p" |
14168
ed81cd283816
Prepared for extended identifiers (\<alpha>, etc.)
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changeset
|
384 |
"\<Lambda> P Q p (h: _). mp \<cdot> _ \<cdot> _ \<bullet> (conjunct2 \<cdot> _ \<cdot> _ \<bullet> h)" |
13403 | 385 |
|
386 |
iffD2 (Q): "Null" |
|
14168
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Prepared for extended identifiers (\<alpha>, etc.)
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changeset
|
387 |
"\<Lambda> P Q q1 (h: _) q2. |
13403 | 388 |
mp \<cdot> _ \<cdot> _ \<bullet> (spec \<cdot> _ \<cdot> q2 \<bullet> (conjunct2 \<cdot> _ \<cdot> _ \<bullet> h))" |
389 |
||
13725
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parents:
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changeset
|
390 |
iffD2: "Null" "iffD2" |
13403 | 391 |
|
13725
12404b452034
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parents:
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diff
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|
392 |
iffI (P, Q): "Pair" |
14168
ed81cd283816
Prepared for extended identifiers (\<alpha>, etc.)
skalberg
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diff
changeset
|
393 |
"\<Lambda> P Q pq (h1 : _) qp (h2 : _). conjI_realizer \<cdot> |
13725
12404b452034
Changed format of realizers / correctness proofs.
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changeset
|
394 |
(\<lambda>pq. \<forall>x. P x \<longrightarrow> Q (pq x)) \<cdot> pq \<cdot> |
12404b452034
Changed format of realizers / correctness proofs.
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parents:
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diff
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|
395 |
(\<lambda>qp. \<forall>x. Q x \<longrightarrow> P (qp x)) \<cdot> qp \<bullet> |
14168
ed81cd283816
Prepared for extended identifiers (\<alpha>, etc.)
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|
396 |
(allI \<cdot> _ \<bullet> (\<Lambda> x. impI \<cdot> _ \<cdot> _ \<bullet> (h1 \<cdot> x))) \<bullet> |
ed81cd283816
Prepared for extended identifiers (\<alpha>, etc.)
skalberg
parents:
13942
diff
changeset
|
397 |
(allI \<cdot> _ \<bullet> (\<Lambda> x. impI \<cdot> _ \<cdot> _ \<bullet> (h2 \<cdot> x)))" |
13403 | 398 |
|
13725
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changeset
|
399 |
iffI (P): "\<lambda>p. p" |
14168
ed81cd283816
Prepared for extended identifiers (\<alpha>, etc.)
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changeset
|
400 |
"\<Lambda> P Q (h1 : _) p (h2 : _). conjI \<cdot> _ \<cdot> _ \<bullet> |
ed81cd283816
Prepared for extended identifiers (\<alpha>, etc.)
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parents:
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diff
changeset
|
401 |
(allI \<cdot> _ \<bullet> (\<Lambda> x. impI \<cdot> _ \<cdot> _ \<bullet> (h1 \<cdot> x))) \<bullet> |
13403 | 402 |
(impI \<cdot> _ \<cdot> _ \<bullet> h2)" |
403 |
||
13725
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berghofe
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|
404 |
iffI (Q): "\<lambda>q. q" |
14168
ed81cd283816
Prepared for extended identifiers (\<alpha>, etc.)
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parents:
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diff
changeset
|
405 |
"\<Lambda> P Q q (h1 : _) (h2 : _). conjI \<cdot> _ \<cdot> _ \<bullet> |
13403 | 406 |
(impI \<cdot> _ \<cdot> _ \<bullet> h1) \<bullet> |
14168
ed81cd283816
Prepared for extended identifiers (\<alpha>, etc.)
skalberg
parents:
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diff
changeset
|
407 |
(allI \<cdot> _ \<bullet> (\<Lambda> x. impI \<cdot> _ \<cdot> _ \<bullet> (h2 \<cdot> x)))" |
13403 | 408 |
|
13725
12404b452034
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parents:
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diff
changeset
|
409 |
iffI: "Null" "iffI" |
13403 | 410 |
|
13725
12404b452034
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|
411 |
(* |
13403 | 412 |
classical: "Null" |
14168
ed81cd283816
Prepared for extended identifiers (\<alpha>, etc.)
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diff
changeset
|
413 |
"\<Lambda> P. classical \<cdot> _" |
13725
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|
414 |
*) |
13403 | 415 |
|
27982 | 416 |
setup {* |
417 |
Sign.add_const_constraint (@{const_name "default"}, SOME @{typ "'a::default"}) |
|
418 |
*} |
|
419 |
||
13403 | 420 |
end |