author | webertj |
Thu, 26 Jan 2006 20:17:54 +0100 | |
changeset 18789 | 8a5c6fc3ad27 |
parent 18774 | 7cf74a743c32 |
child 21502 | 7f3ea2b3bab6 |
permissions | -rw-r--r-- |
14350 | 1 |
(* Title: HOL/ex/Refute_Examples.thy |
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ID: $Id$ |
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Author: Tjark Weber |
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Copyright 2003-2005 |
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*) |
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(* See 'HOL/Refute.thy' for help. *) |
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header {* Examples for the 'refute' command *} |
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theory Refute_Examples imports Main |
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begin |
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refute_params [satsolver="dpll"] |
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lemma "P \<and> Q" |
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apply (rule conjI) |
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refute 1 -- {* refutes @{term "P"} *} |
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refute 2 -- {* refutes @{term "Q"} *} |
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refute -- {* equivalent to 'refute 1' *} |
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-- {* here 'refute 3' would cause an exception, since we only have 2 subgoals *} |
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refute [maxsize=5] -- {* we can override parameters ... *} |
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refute [satsolver="dpll"] 2 -- {* ... and specify a subgoal at the same time *} |
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oops |
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section {* Examples and Test Cases *} |
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subsection {* Propositional logic *} |
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lemma "True" |
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refute |
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apply auto |
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done |
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lemma "False" |
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refute |
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oops |
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lemma "P" |
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refute |
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oops |
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lemma "~ P" |
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refute |
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oops |
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lemma "P & Q" |
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refute |
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oops |
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lemma "P | Q" |
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refute |
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oops |
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lemma "P \<longrightarrow> Q" |
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refute |
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oops |
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lemma "(P::bool) = Q" |
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refute |
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oops |
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lemma "(P | Q) \<longrightarrow> (P & Q)" |
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refute |
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oops |
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subsection {* Predicate logic *} |
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lemma "P x y z" |
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refute |
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oops |
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lemma "P x y \<longrightarrow> P y x" |
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refute |
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oops |
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lemma "P (f (f x)) \<longrightarrow> P x \<longrightarrow> P (f x)" |
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refute |
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oops |
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subsection {* Equality *} |
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lemma "P = True" |
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refute |
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oops |
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lemma "P = False" |
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refute |
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oops |
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lemma "x = y" |
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refute |
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oops |
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lemma "f x = g x" |
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refute |
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oops |
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lemma "(f::'a\<Rightarrow>'b) = g" |
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refute |
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oops |
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lemma "(f::('d\<Rightarrow>'d)\<Rightarrow>('c\<Rightarrow>'d)) = g" |
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refute |
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oops |
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lemma "distinct [a,b]" |
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refute |
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apply simp |
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refute |
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oops |
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subsection {* First-Order Logic *} |
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lemma "\<exists>x. P x" |
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refute |
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oops |
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lemma "\<forall>x. P x" |
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refute |
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oops |
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lemma "EX! x. P x" |
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refute |
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oops |
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lemma "Ex P" |
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refute |
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oops |
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lemma "All P" |
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refute |
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oops |
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lemma "Ex1 P" |
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refute |
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oops |
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lemma "(\<exists>x. P x) \<longrightarrow> (\<forall>x. P x)" |
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refute |
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oops |
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lemma "(\<forall>x. \<exists>y. P x y) \<longrightarrow> (\<exists>y. \<forall>x. P x y)" |
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refute |
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oops |
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lemma "(\<exists>x. P x) \<longrightarrow> (EX! x. P x)" |
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refute |
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oops |
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text {* A true statement (also testing names of free and bound variables being identical) *} |
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lemma "(\<forall>x y. P x y \<longrightarrow> P y x) \<longrightarrow> (\<forall>x. P x y) \<longrightarrow> P y x" |
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refute [maxsize=4] |
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apply fast |
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done |
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text {* "A type has at most 4 elements." *} |
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lemma "a=b | a=c | a=d | a=e | b=c | b=d | b=e | c=d | c=e | d=e" |
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refute |
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oops |
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lemma "\<forall>a b c d e. a=b | a=c | a=d | a=e | b=c | b=d | b=e | c=d | c=e | d=e" |
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refute -- {* quantification causes an expansion of the formula; the |
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support for recursion over mutually recursive IDTs
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previous version with free variables is refuted much faster *} |
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oops |
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text {* "Every reflexive and symmetric relation is transitive." *} |
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lemma "\<lbrakk> \<forall>x. P x x; \<forall>x y. P x y \<longrightarrow> P y x \<rbrakk> \<Longrightarrow> P x y \<longrightarrow> P y z \<longrightarrow> P x z" |
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refute |
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oops |
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text {* The "Drinker's theorem" ... *} |
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lemma "\<exists>x. f x = g x \<longrightarrow> f = g" |
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refute [maxsize=4] |
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apply (auto simp add: ext) |
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done |
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text {* ... and an incorrect version of it *} |
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lemma "(\<exists>x. f x = g x) \<longrightarrow> f = g" |
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refute |
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oops |
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text {* "Every function has a fixed point." *} |
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lemma "\<exists>x. f x = x" |
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refute |
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oops |
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text {* "Function composition is commutative." *} |
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lemma "f (g x) = g (f x)" |
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refute |
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oops |
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text {* "Two functions that are equivalent wrt.\ the same predicate 'P' are equal." *} |
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lemma "((P::('a\<Rightarrow>'b)\<Rightarrow>bool) f = P g) \<longrightarrow> (f x = g x)" |
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refute |
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oops |
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subsection {* Higher-Order Logic *} |
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lemma "\<exists>P. P" |
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refute |
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apply auto |
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done |
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lemma "\<forall>P. P" |
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refute |
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oops |
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lemma "EX! P. P" |
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refute |
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apply auto |
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done |
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lemma "EX! P. P x" |
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refute |
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oops |
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lemma "P Q | Q x" |
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refute |
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oops |
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lemma "P All" |
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refute |
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oops |
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lemma "P Ex" |
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refute |
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oops |
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lemma "P Ex1" |
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refute |
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oops |
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text {* "The transitive closure 'T' of an arbitrary relation 'P' is non-empty." *} |
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constdefs |
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"trans" :: "('a \<Rightarrow> 'a \<Rightarrow> bool) \<Rightarrow> bool" |
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"trans P == (ALL x y z. P x y \<longrightarrow> P y z \<longrightarrow> P x z)" |
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"subset" :: "('a \<Rightarrow> 'a \<Rightarrow> bool) \<Rightarrow> ('a \<Rightarrow> 'a \<Rightarrow> bool) \<Rightarrow> bool" |
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"subset P Q == (ALL x y. P x y \<longrightarrow> Q x y)" |
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"trans_closure" :: "('a \<Rightarrow> 'a \<Rightarrow> bool) \<Rightarrow> ('a \<Rightarrow> 'a \<Rightarrow> bool) \<Rightarrow> bool" |
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"trans_closure P Q == (subset Q P) & (trans P) & (ALL R. subset Q R \<longrightarrow> trans R \<longrightarrow> subset P R)" |
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lemma "trans_closure T P \<longrightarrow> (\<exists>x y. T x y)" |
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refute |
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oops |
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text {* "The union of transitive closures is equal to the transitive closure of unions." *} |
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lemma "(\<forall>x y. (P x y | R x y) \<longrightarrow> T x y) \<longrightarrow> trans T \<longrightarrow> (\<forall>Q. (\<forall>x y. (P x y | R x y) \<longrightarrow> Q x y) \<longrightarrow> trans Q \<longrightarrow> subset T Q) |
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\<longrightarrow> trans_closure TP P |
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\<longrightarrow> trans_closure TR R |
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\<longrightarrow> (T x y = (TP x y | TR x y))" |
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refute |
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oops |
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text {* "Every surjective function is invertible." *} |
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lemma "(\<forall>y. \<exists>x. y = f x) \<longrightarrow> (\<exists>g. \<forall>x. g (f x) = x)" |
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refute |
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oops |
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text {* "Every invertible function is surjective." *} |
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lemma "(\<exists>g. \<forall>x. g (f x) = x) \<longrightarrow> (\<forall>y. \<exists>x. y = f x)" |
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refute |
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oops |
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text {* Every point is a fixed point of some function. *} |
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lemma "\<exists>f. f x = x" |
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refute [maxsize=4] |
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apply (rule_tac x="\<lambda>x. x" in exI) |
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apply simp |
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done |
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text {* Axiom of Choice: first an incorrect version ... *} |
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lemma "(\<forall>x. \<exists>y. P x y) \<longrightarrow> (EX!f. \<forall>x. P x (f x))" |
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refute |
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oops |
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text {* ... and now two correct ones *} |
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lemma "(\<forall>x. \<exists>y. P x y) \<longrightarrow> (\<exists>f. \<forall>x. P x (f x))" |
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refute [maxsize=4] |
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apply (simp add: choice) |
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done |
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lemma "(\<forall>x. EX!y. P x y) \<longrightarrow> (EX!f. \<forall>x. P x (f x))" |
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refute [maxsize=2] |
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apply auto |
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apply (simp add: ex1_implies_ex choice) |
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apply (fast intro: ext) |
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done |
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subsection {* Meta-logic *} |
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lemma "!!x. P x" |
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refute |
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oops |
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lemma "f x == g x" |
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refute |
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oops |
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lemma "P \<Longrightarrow> Q" |
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refute |
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oops |
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lemma "\<lbrakk> P; Q; R \<rbrakk> \<Longrightarrow> S" |
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refute |
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oops |
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subsection {* Schematic variables *} |
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lemma "?P" |
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refute |
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apply auto |
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done |
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lemma "x = ?y" |
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refute |
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apply auto |
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done |
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subsection {* Abstractions *} |
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lemma "(\<lambda>x. x) = (\<lambda>x. y)" |
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refute |
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oops |
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lemma "(\<lambda>f. f x) = (\<lambda>f. True)" |
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refute |
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oops |
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lemma "(\<lambda>x. x) = (\<lambda>y. y)" |
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refute |
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apply simp |
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done |
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subsection {* Sets *} |
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lemma "P (A::'a set)" |
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refute |
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oops |
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lemma "P (A::'a set set)" |
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refute |
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oops |
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lemma "{x. P x} = {y. P y}" |
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refute |
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apply simp |
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done |
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lemma "x : {x. P x}" |
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refute |
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oops |
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lemma "P op:" |
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refute |
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oops |
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lemma "P (op: x)" |
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refute |
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oops |
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lemma "P Collect" |
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refute |
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oops |
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lemma "A Un B = A Int B" |
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refute |
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oops |
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lemma "(A Int B) Un C = (A Un C) Int B" |
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refute |
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oops |
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lemma "Ball A P \<longrightarrow> Bex A P" |
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refute |
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oops |
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subsection {* arbitrary *} |
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lemma "arbitrary" |
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refute |
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oops |
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lemma "P arbitrary" |
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refute |
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oops |
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lemma "arbitrary x" |
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refute |
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oops |
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lemma "arbitrary arbitrary" |
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refute |
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oops |
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subsection {* The *} |
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lemma "The P" |
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refute |
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oops |
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lemma "P The" |
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refute |
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oops |
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lemma "P (The P)" |
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refute |
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oops |
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lemma "(THE x. x=y) = z" |
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refute |
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oops |
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lemma "Ex P \<longrightarrow> P (The P)" |
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refute |
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oops |
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subsection {* Eps *} |
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lemma "Eps P" |
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refute |
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oops |
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lemma "P Eps" |
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refute |
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oops |
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lemma "P (Eps P)" |
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refute |
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oops |
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lemma "(SOME x. x=y) = z" |
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refute |
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oops |
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lemma "Ex P \<longrightarrow> P (Eps P)" |
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refute [maxsize=3] |
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apply (auto simp add: someI) |
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done |
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15767
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
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(******************************************************************************) |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
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subsection {* Subtypes (typedef), typedecl *} |
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text {* A completely unspecified non-empty subset of @{typ "'a"}: *} |
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typedef 'a myTdef = "insert (arbitrary::'a) (arbitrary::'a set)" |
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by auto |
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lemma "(x::'a myTdef) = y" |
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15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
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refute |
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oops |
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typedecl myTdecl |
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typedef 'a T_bij = "{(f::'a\<Rightarrow>'a). \<forall>y. \<exists>!x. f x = y}" |
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by auto |
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lemma "P (f::(myTdecl myTdef) T_bij)" |
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refute |
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oops |
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support for recursion over mutually recursive IDTs
webertj
parents:
15547
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changeset
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(******************************************************************************) |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
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changeset
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subsection {* Inductive datatypes *} |
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support for recursion over mutually recursive IDTs
webertj
parents:
15547
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changeset
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483 |
text {* With quick\_and\_dirty set, the datatype package does not generate |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
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changeset
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certain axioms for recursion operators. Without these axioms, refute may |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
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changeset
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find spurious countermodels. *} |
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
486 |
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f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
487 |
ML {* reset quick_and_dirty; *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
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subsubsection {* unit *} |
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lemma "P (x::unit)" |
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refute |
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oops |
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lemma "\<forall>x::unit. P x" |
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496 |
refute |
|
497 |
oops |
|
498 |
||
499 |
lemma "P ()" |
|
500 |
refute |
|
501 |
oops |
|
502 |
||
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|
503 |
lemma "P (unit_rec u x)" |
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|
504 |
refute |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
505 |
oops |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
506 |
|
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|
507 |
lemma "P (case x of () \<Rightarrow> u)" |
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|
508 |
refute |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
509 |
oops |
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|
510 |
|
14455 | 511 |
subsubsection {* option *} |
512 |
||
513 |
lemma "P (x::'a option)" |
|
514 |
refute |
|
515 |
oops |
|
516 |
||
517 |
lemma "\<forall>x::'a option. P x" |
|
518 |
refute |
|
519 |
oops |
|
520 |
||
14809 | 521 |
lemma "P None" |
522 |
refute |
|
523 |
oops |
|
524 |
||
14455 | 525 |
lemma "P (Some x)" |
526 |
refute |
|
527 |
oops |
|
528 |
||
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|
529 |
lemma "P (option_rec n s x)" |
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|
530 |
refute |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
531 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
532 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
533 |
lemma "P (case x of None \<Rightarrow> n | Some u \<Rightarrow> s u)" |
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|
534 |
refute |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
535 |
oops |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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|
536 |
|
14350 | 537 |
subsubsection {* * *} |
538 |
||
539 |
lemma "P (x::'a*'b)" |
|
14455 | 540 |
refute |
14350 | 541 |
oops |
542 |
||
543 |
lemma "\<forall>x::'a*'b. P x" |
|
14455 | 544 |
refute |
14350 | 545 |
oops |
546 |
||
547 |
lemma "P (x,y)" |
|
14455 | 548 |
refute |
14350 | 549 |
oops |
550 |
||
551 |
lemma "P (fst x)" |
|
14455 | 552 |
refute |
14350 | 553 |
oops |
554 |
||
555 |
lemma "P (snd x)" |
|
14455 | 556 |
refute |
557 |
oops |
|
558 |
||
559 |
lemma "P Pair" |
|
560 |
refute |
|
14350 | 561 |
oops |
562 |
||
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|
563 |
lemma "P (prod_rec p x)" |
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|
564 |
refute |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
565 |
oops |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
566 |
|
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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changeset
|
567 |
lemma "P (case x of Pair a b \<Rightarrow> p a b)" |
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changeset
|
568 |
refute |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
569 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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|
570 |
|
14350 | 571 |
subsubsection {* + *} |
572 |
||
573 |
lemma "P (x::'a+'b)" |
|
14455 | 574 |
refute |
14350 | 575 |
oops |
576 |
||
577 |
lemma "\<forall>x::'a+'b. P x" |
|
14455 | 578 |
refute |
14350 | 579 |
oops |
580 |
||
581 |
lemma "P (Inl x)" |
|
14455 | 582 |
refute |
14350 | 583 |
oops |
584 |
||
585 |
lemma "P (Inr x)" |
|
14455 | 586 |
refute |
587 |
oops |
|
588 |
||
589 |
lemma "P Inl" |
|
590 |
refute |
|
14350 | 591 |
oops |
592 |
||
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|
593 |
lemma "P (sum_rec l r x)" |
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|
594 |
refute |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
595 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
596 |
|
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
597 |
lemma "P (case x of Inl a \<Rightarrow> l a | Inr b \<Rightarrow> r b)" |
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changeset
|
598 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
599 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
600 |
|
14350 | 601 |
subsubsection {* Non-recursive datatypes *} |
602 |
||
14455 | 603 |
datatype T1 = A | B |
14350 | 604 |
|
605 |
lemma "P (x::T1)" |
|
606 |
refute |
|
607 |
oops |
|
608 |
||
609 |
lemma "\<forall>x::T1. P x" |
|
610 |
refute |
|
611 |
oops |
|
612 |
||
14455 | 613 |
lemma "P A" |
14350 | 614 |
refute |
615 |
oops |
|
616 |
||
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|
617 |
lemma "P (T1_rec a b x)" |
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|
618 |
refute |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
619 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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diff
changeset
|
620 |
|
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
621 |
lemma "P (case x of A \<Rightarrow> a | B \<Rightarrow> b)" |
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parents:
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changeset
|
622 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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diff
changeset
|
623 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
624 |
|
14455 | 625 |
datatype 'a T2 = C T1 | D 'a |
626 |
||
627 |
lemma "P (x::'a T2)" |
|
14350 | 628 |
refute |
629 |
oops |
|
630 |
||
14455 | 631 |
lemma "\<forall>x::'a T2. P x" |
14350 | 632 |
refute |
633 |
oops |
|
634 |
||
14455 | 635 |
lemma "P D" |
14350 | 636 |
refute |
637 |
oops |
|
638 |
||
15547
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changeset
|
639 |
lemma "P (T2_rec c d x)" |
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changeset
|
640 |
refute |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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diff
changeset
|
641 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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diff
changeset
|
642 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
643 |
lemma "P (case x of C u \<Rightarrow> c u | D v \<Rightarrow> d v)" |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
644 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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diff
changeset
|
645 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
646 |
|
14455 | 647 |
datatype ('a,'b) T3 = E "'a \<Rightarrow> 'b" |
648 |
||
14809 | 649 |
lemma "P (x::('a,'b) T3)" |
650 |
refute |
|
651 |
oops |
|
652 |
||
653 |
lemma "\<forall>x::('a,'b) T3. P x" |
|
654 |
refute |
|
655 |
oops |
|
656 |
||
14455 | 657 |
lemma "P E" |
658 |
refute |
|
14350 | 659 |
oops |
660 |
||
15547
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changeset
|
661 |
lemma "P (T3_rec e x)" |
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parents:
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changeset
|
662 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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diff
changeset
|
663 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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diff
changeset
|
664 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
665 |
lemma "P (case x of E f \<Rightarrow> e f)" |
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parents:
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changeset
|
666 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
667 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
668 |
|
14350 | 669 |
subsubsection {* Recursive datatypes *} |
670 |
||
15547
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changeset
|
671 |
text {* nat *} |
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|
672 |
|
14809 | 673 |
lemma "P (x::nat)" |
674 |
refute |
|
675 |
oops |
|
14350 | 676 |
|
14809 | 677 |
lemma "\<forall>x::nat. P x" |
678 |
refute |
|
14350 | 679 |
oops |
680 |
||
14809 | 681 |
lemma "P (Suc 0)" |
682 |
refute |
|
14350 | 683 |
oops |
684 |
||
14809 | 685 |
lemma "P Suc" |
686 |
refute -- {* @{term "Suc"} is a partial function (regardless of the size |
|
687 |
of the model), hence @{term "P Suc"} is undefined, hence no |
|
688 |
model will be found *} |
|
14350 | 689 |
oops |
690 |
||
15547
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changeset
|
691 |
lemma "P (nat_rec zero suc x)" |
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parents:
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changeset
|
692 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
693 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
694 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
695 |
lemma "P (case x of 0 \<Rightarrow> zero | Suc n \<Rightarrow> suc n)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
696 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
697 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
698 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
699 |
text {* 'a list *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
700 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
701 |
lemma "P (xs::'a list)" |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
702 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
703 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
704 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
705 |
lemma "\<forall>xs::'a list. P xs" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
706 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
707 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
708 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
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changeset
|
709 |
lemma "P [x, y]" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
710 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
711 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
712 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
713 |
lemma "P (list_rec nil cons xs)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
714 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
715 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
716 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
717 |
lemma "P (case x of Nil \<Rightarrow> nil | Cons a b \<Rightarrow> cons a b)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
718 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
719 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
720 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
721 |
lemma "(xs::'a list) = ys" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
722 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
723 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
724 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
725 |
lemma "a # xs = b # xs" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
726 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
727 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
728 |
|
14350 | 729 |
datatype 'a BinTree = Leaf 'a | Node "'a BinTree" "'a BinTree" |
730 |
||
731 |
lemma "P (x::'a BinTree)" |
|
14809 | 732 |
refute |
14350 | 733 |
oops |
734 |
||
735 |
lemma "\<forall>x::'a BinTree. P x" |
|
14809 | 736 |
refute |
737 |
oops |
|
738 |
||
739 |
lemma "P (Node (Leaf x) (Leaf y))" |
|
740 |
refute |
|
14350 | 741 |
oops |
742 |
||
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
743 |
lemma "P (BinTree_rec l n x)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
744 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
745 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
746 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
747 |
lemma "P (case x of Leaf a \<Rightarrow> l a | Node a b \<Rightarrow> n a b)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
748 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
749 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
750 |
|
14350 | 751 |
subsubsection {* Mutually recursive datatypes *} |
752 |
||
753 |
datatype 'a aexp = Number 'a | ITE "'a bexp" "'a aexp" "'a aexp" |
|
754 |
and 'a bexp = Equal "'a aexp" "'a aexp" |
|
755 |
||
756 |
lemma "P (x::'a aexp)" |
|
14809 | 757 |
refute |
14350 | 758 |
oops |
759 |
||
760 |
lemma "\<forall>x::'a aexp. P x" |
|
14809 | 761 |
refute |
14350 | 762 |
oops |
763 |
||
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
764 |
lemma "P (ITE (Equal (Number x) (Number y)) (Number x) (Number y))" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
765 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
766 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
767 |
|
14350 | 768 |
lemma "P (x::'a bexp)" |
14809 | 769 |
refute |
14350 | 770 |
oops |
771 |
||
772 |
lemma "\<forall>x::'a bexp. P x" |
|
14809 | 773 |
refute |
14350 | 774 |
oops |
775 |
||
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
776 |
lemma "P (aexp_bexp_rec_1 number ite equal x)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
777 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
778 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
779 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
780 |
lemma "P (case x of Number a \<Rightarrow> number a | ITE b a1 a2 \<Rightarrow> ite b a1 a2)" |
14809 | 781 |
refute |
14350 | 782 |
oops |
783 |
||
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
784 |
lemma "P (aexp_bexp_rec_2 number ite equal x)" |
15767
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
785 |
refute |
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
786 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
787 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
788 |
lemma "P (case x of Equal a1 a2 \<Rightarrow> equal a1 a2)" |
15767
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
789 |
refute |
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
790 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
791 |
|
14350 | 792 |
subsubsection {* Other datatype examples *} |
793 |
||
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
794 |
datatype Trie = TR "Trie list" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
795 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
796 |
lemma "P (x::Trie)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
797 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
798 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
799 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
800 |
lemma "\<forall>x::Trie. P x" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
801 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
802 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
803 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
804 |
lemma "P (TR [TR []])" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
805 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
806 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
807 |
|
15767
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
808 |
lemma "P (Trie_rec_1 a b c x)" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
809 |
refute |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
810 |
oops |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
811 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
812 |
lemma "P (Trie_rec_2 a b c x)" |
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
813 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
814 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
815 |
|
14809 | 816 |
datatype InfTree = Leaf | Node "nat \<Rightarrow> InfTree" |
14350 | 817 |
|
818 |
lemma "P (x::InfTree)" |
|
14809 | 819 |
refute |
14350 | 820 |
oops |
821 |
||
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
822 |
lemma "\<forall>x::InfTree. P x" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
823 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
824 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
825 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
826 |
lemma "P (Node (\<lambda>n. Leaf))" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
827 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
828 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
829 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
830 |
lemma "P (InfTree_rec leaf node x)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
831 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
832 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
833 |
|
14350 | 834 |
datatype 'a lambda = Var 'a | App "'a lambda" "'a lambda" | Lam "'a \<Rightarrow> 'a lambda" |
835 |
||
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
836 |
lemma "P (x::'a lambda)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
837 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
838 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
839 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
840 |
lemma "\<forall>x::'a lambda. P x" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
841 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
842 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
843 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
844 |
lemma "P (Lam (\<lambda>a. Var a))" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
845 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
846 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
847 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
848 |
lemma "P (lambda_rec v a l x)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
849 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
850 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
851 |
|
15767
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
852 |
text {* Taken from "Inductive datatypes in HOL", p.8: *} |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
853 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
854 |
datatype ('a, 'b) T = C "'a \<Rightarrow> bool" | D "'b list" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
855 |
datatype 'c U = E "('c, 'c U) T" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
856 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
857 |
lemma "P (x::'c U)" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
858 |
refute |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
859 |
oops |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
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diff
changeset
|
860 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
861 |
lemma "\<forall>x::'c U. P x" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
862 |
refute |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
863 |
oops |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
864 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
865 |
lemma "P (E (C (\<lambda>a. True)))" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
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diff
changeset
|
866 |
refute |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
867 |
oops |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
868 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
869 |
lemma "P (U_rec_1 e f g h i x)" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
870 |
refute |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
871 |
oops |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
872 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
873 |
lemma "P (U_rec_2 e f g h i x)" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
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diff
changeset
|
874 |
refute |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
875 |
oops |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
876 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
877 |
lemma "P (U_rec_3 e f g h i x)" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
878 |
refute |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
879 |
oops |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
880 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
881 |
(******************************************************************************) |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
882 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
883 |
subsection {* Records *} |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
884 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
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diff
changeset
|
885 |
(*TODO: make use of pair types, rather than typedef, for record types*) |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
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parents:
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diff
changeset
|
886 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
887 |
record ('a, 'b) point = |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
888 |
xpos :: 'a |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
889 |
ypos :: 'b |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
890 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
891 |
lemma "(x::('a, 'b) point) = y" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
892 |
refute |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
893 |
oops |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
894 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
895 |
record ('a, 'b, 'c) extpoint = "('a, 'b) point" + |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
896 |
ext :: 'c |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
897 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
898 |
lemma "(x::('a, 'b, 'c) extpoint) = y" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
899 |
refute |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
900 |
oops |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
901 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
902 |
(******************************************************************************) |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
903 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
904 |
subsection {* Inductively defined sets *} |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
905 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
906 |
consts |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
907 |
arbitrarySet :: "'a set" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
908 |
inductive arbitrarySet |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
909 |
intros |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
910 |
"arbitrary : arbitrarySet" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
911 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
912 |
lemma "x : arbitrarySet" |
16050 | 913 |
refute |
15767
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
914 |
oops |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
915 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
916 |
consts |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
917 |
evenCard :: "'a set set" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
918 |
inductive evenCard |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
919 |
intros |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
920 |
"{} : evenCard" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
921 |
"\<lbrakk> S : evenCard; x \<notin> S; y \<notin> S; x \<noteq> y \<rbrakk> \<Longrightarrow> S \<union> {x, y} : evenCard" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
922 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
923 |
lemma "S : evenCard" |
16050 | 924 |
refute |
15767
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
925 |
oops |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
926 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
927 |
consts |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
928 |
even :: "nat set" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
929 |
odd :: "nat set" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
930 |
inductive even odd |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
931 |
intros |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
932 |
"0 : even" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
933 |
"n : even \<Longrightarrow> Suc n : odd" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
934 |
"n : odd \<Longrightarrow> Suc n : even" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
935 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
936 |
lemma "n : odd" |
16050 | 937 |
(*refute*) -- {* unfortunately, this little example already takes too long *} |
15767
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
938 |
oops |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
939 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
940 |
(******************************************************************************) |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
941 |
|
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
942 |
subsection {* Examples involving special functions *} |
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
943 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
944 |
lemma "card x = 0" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
945 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
946 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
947 |
|
15767
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
948 |
lemma "finite x" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
949 |
refute -- {* no finite countermodel exists *} |
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
950 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
951 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
952 |
lemma "(x::nat) + y = 0" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
953 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
954 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
955 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
956 |
lemma "(x::nat) = x + x" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
957 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
958 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
959 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
960 |
lemma "(x::nat) - y + y = x" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
961 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
962 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
963 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
964 |
lemma "(x::nat) = x * x" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
965 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
966 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
967 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
968 |
lemma "(x::nat) < x + y" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
969 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
970 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
971 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
972 |
lemma "a @ [] = b @ []" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
973 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
974 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
975 |
|
15767
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
976 |
lemma "a @ b = b @ a" |
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
977 |
refute |
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
978 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
979 |
|
16050 | 980 |
lemma "f (lfp f) = lfp f" |
981 |
refute |
|
982 |
oops |
|
983 |
||
984 |
lemma "f (gfp f) = gfp f" |
|
985 |
refute |
|
986 |
oops |
|
987 |
||
988 |
lemma "lfp f = gfp f" |
|
989 |
refute |
|
990 |
oops |
|
991 |
||
15767
8ed9fcc004fe
support for recursion over mutually recursive IDTs
webertj
parents:
15547
diff
changeset
|
992 |
(******************************************************************************) |
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
993 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
994 |
subsection {* Axiomatic type classes and overloading *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
995 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
996 |
text {* A type class without axioms: *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
997 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
998 |
axclass classA |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
999 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1000 |
lemma "P (x::'a::classA)" |
14809 | 1001 |
refute |
1002 |
oops |
|
1003 |
||
15547
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1004 |
text {* The axiom of this type class does not contain any type variables, but is internally converted into one that does: *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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|
1005 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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|
1006 |
axclass classB |
f08e2d83681e
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|
1007 |
classB_ax: "P | ~ P" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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|
1008 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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|
1009 |
lemma "P (x::'a::classB)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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|
1010 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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|
1011 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1012 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1013 |
text {* An axiom with a type variable (denoting types which have at least two elements): *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1014 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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|
1015 |
axclass classC < type |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1016 |
classC_ax: "\<exists>x y. x \<noteq> y" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1017 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1018 |
lemma "P (x::'a::classC)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1019 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1020 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1021 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1022 |
lemma "\<exists>x y. (x::'a::classC) \<noteq> y" |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1023 |
refute -- {* no countermodel exists *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1024 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1025 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1026 |
text {* A type class for which a constant is defined: *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1027 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1028 |
consts |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1029 |
classD_const :: "'a \<Rightarrow> 'a" |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1030 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1031 |
axclass classD < type |
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major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1032 |
classD_ax: "classD_const (classD_const x) = classD_const x" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1033 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1034 |
lemma "P (x::'a::classD)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1035 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1036 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1037 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1038 |
text {* A type class with multiple superclasses: *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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diff
changeset
|
1039 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1040 |
axclass classE < classC, classD |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1041 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1042 |
lemma "P (x::'a::classE)" |
14809 | 1043 |
refute |
1044 |
oops |
|
1045 |
||
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1046 |
lemma "P (x::'a::{classB, classE})" |
14809 | 1047 |
refute |
1048 |
oops |
|
1049 |
||
15547
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1050 |
text {* OFCLASS: *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1051 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1052 |
lemma "OFCLASS('a::type, type_class)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1053 |
refute -- {* no countermodel exists *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1054 |
apply intro_classes |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1055 |
done |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1056 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1057 |
lemma "OFCLASS('a::classC, type_class)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1058 |
refute -- {* no countermodel exists *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1059 |
apply intro_classes |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
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parents:
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changeset
|
1060 |
done |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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diff
changeset
|
1061 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
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changeset
|
1062 |
lemma "OFCLASS('a, classB_class)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1063 |
refute -- {* no countermodel exists *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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diff
changeset
|
1064 |
apply intro_classes |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
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changeset
|
1065 |
apply simp |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1066 |
done |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1067 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1068 |
lemma "OFCLASS('a::type, classC_class)" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1069 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1070 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1071 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1072 |
text {* Overloading: *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1073 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1074 |
consts inverse :: "'a \<Rightarrow> 'a" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1075 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1076 |
defs (overloaded) |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1077 |
inverse_bool: "inverse (b::bool) == ~ b" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1078 |
inverse_set : "inverse (S::'a set) == -S" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1079 |
inverse_pair: "inverse p == (inverse (fst p), inverse (snd p))" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1080 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1081 |
lemma "inverse b" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1082 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1083 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1084 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1085 |
lemma "P (inverse (S::'a set))" |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1086 |
refute |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1087 |
oops |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1088 |
|
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
parents:
15297
diff
changeset
|
1089 |
lemma "P (inverse (p::'a\<times>'b))" |
14809 | 1090 |
refute |
14350 | 1091 |
oops |
1092 |
||
18774 | 1093 |
refute_params [satsolver="auto"] |
1094 |
||
14350 | 1095 |
end |