author | webertj |
Wed, 23 Feb 2005 14:04:53 +0100 | |
changeset 15547 | f08e2d83681e |
parent 15297 | 0aff5d912422 |
child 15767 | 8ed9fcc004fe |
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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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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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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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=6] |
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apply fast |
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done |
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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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text {* "A type has at most 5 elements." *} |
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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
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lemma "a=b | a=c | a=d | a=e | a=f | b=c | b=d | b=e | b=f | c=d | c=e | c=f | d=e | d=f | e=f" |
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refute |
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oops |
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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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lemma "\<forall>a b c d e f. a=b | a=c | a=d | a=e | a=f | b=c | b=d | b=e | b=f | c=d | c=e | c=f | d=e | d=f | e=f" |
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refute |
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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 [satsolver="dpll"] |
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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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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 [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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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
|
462 |
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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14455 | 474 |
subsection {* Inductive datatypes *} |
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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
|
476 |
text {* This is necessary because with quick\_and\_dirty set, the datatype |
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
|
477 |
package does not generate certain axioms for recursion operators. Without |
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
|
478 |
these axioms, refute may find spurious countermodels. *} |
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
|
479 |
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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
|
480 |
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
|
481 |
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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
|
482 |
(*TODO*) ML {* set show_consts; set show_types; *} |
f08e2d83681e
major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes
webertj
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|
483 |
|
14350 | 484 |
subsubsection {* unit *} |
485 |
||
486 |
lemma "P (x::unit)" |
|
487 |
refute |
|
488 |
oops |
|
489 |
||
490 |
lemma "\<forall>x::unit. P x" |
|
491 |
refute |
|
492 |
oops |
|
493 |
||
494 |
lemma "P ()" |
|
495 |
refute |
|
496 |
oops |
|
497 |
||
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|
498 |
lemma "P (unit_rec u x)" |
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|
499 |
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
|
500 |
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
|
501 |
|
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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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|
502 |
lemma "P (case x of () \<Rightarrow> u)" |
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|
503 |
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
|
504 |
oops |
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|
505 |
|
14455 | 506 |
subsubsection {* option *} |
507 |
||
508 |
lemma "P (x::'a option)" |
|
509 |
refute |
|
510 |
oops |
|
511 |
||
512 |
lemma "\<forall>x::'a option. P x" |
|
513 |
refute |
|
514 |
oops |
|
515 |
||
14809 | 516 |
lemma "P None" |
517 |
refute |
|
518 |
oops |
|
519 |
||
14455 | 520 |
lemma "P (Some x)" |
521 |
refute |
|
522 |
oops |
|
523 |
||
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|
524 |
lemma "P (option_rec n s x)" |
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|
525 |
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
|
526 |
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
|
527 |
|
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
|
528 |
lemma "P (case x of None \<Rightarrow> n | Some u \<Rightarrow> s u)" |
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changeset
|
529 |
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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changeset
|
530 |
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
|
531 |
|
14350 | 532 |
subsubsection {* * *} |
533 |
||
534 |
lemma "P (x::'a*'b)" |
|
14455 | 535 |
refute |
14350 | 536 |
oops |
537 |
||
538 |
lemma "\<forall>x::'a*'b. P x" |
|
14455 | 539 |
refute |
14350 | 540 |
oops |
541 |
||
542 |
lemma "P (x,y)" |
|
14455 | 543 |
refute |
14350 | 544 |
oops |
545 |
||
546 |
lemma "P (fst x)" |
|
14455 | 547 |
refute |
14350 | 548 |
oops |
549 |
||
550 |
lemma "P (snd x)" |
|
14455 | 551 |
refute |
552 |
oops |
|
553 |
||
554 |
lemma "P Pair" |
|
555 |
refute |
|
14350 | 556 |
oops |
557 |
||
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|
558 |
lemma "P (prod_rec p x)" |
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|
559 |
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
|
560 |
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
|
561 |
|
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
|
562 |
lemma "P (case x of Pair a b \<Rightarrow> p a b)" |
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changeset
|
563 |
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
|
564 |
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
|
565 |
|
14350 | 566 |
subsubsection {* + *} |
567 |
||
568 |
lemma "P (x::'a+'b)" |
|
14455 | 569 |
refute |
14350 | 570 |
oops |
571 |
||
572 |
lemma "\<forall>x::'a+'b. P x" |
|
14455 | 573 |
refute |
14350 | 574 |
oops |
575 |
||
576 |
lemma "P (Inl x)" |
|
14455 | 577 |
refute |
14350 | 578 |
oops |
579 |
||
580 |
lemma "P (Inr x)" |
|
14455 | 581 |
refute |
582 |
oops |
|
583 |
||
584 |
lemma "P Inl" |
|
585 |
refute |
|
14350 | 586 |
oops |
587 |
||
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changeset
|
588 |
lemma "P (sum_rec l r x)" |
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changeset
|
589 |
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
|
590 |
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
|
591 |
|
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
|
592 |
lemma "P (case x of Inl a \<Rightarrow> l a | Inr b \<Rightarrow> r b)" |
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parents:
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changeset
|
593 |
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
|
594 |
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
|
595 |
|
14350 | 596 |
subsubsection {* Non-recursive datatypes *} |
597 |
||
14455 | 598 |
datatype T1 = A | B |
14350 | 599 |
|
600 |
lemma "P (x::T1)" |
|
601 |
refute |
|
602 |
oops |
|
603 |
||
604 |
lemma "\<forall>x::T1. P x" |
|
605 |
refute |
|
606 |
oops |
|
607 |
||
14455 | 608 |
lemma "P A" |
14350 | 609 |
refute |
610 |
oops |
|
611 |
||
15547
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changeset
|
612 |
lemma "P (T1_rec a b x)" |
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changeset
|
613 |
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
|
614 |
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
|
615 |
|
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
|
616 |
lemma "P (case x of A \<Rightarrow> a | B \<Rightarrow> b)" |
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parents:
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changeset
|
617 |
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
|
618 |
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
|
619 |
|
14455 | 620 |
datatype 'a T2 = C T1 | D 'a |
621 |
||
622 |
lemma "P (x::'a T2)" |
|
14350 | 623 |
refute |
624 |
oops |
|
625 |
||
14455 | 626 |
lemma "\<forall>x::'a T2. P x" |
14350 | 627 |
refute |
628 |
oops |
|
629 |
||
14455 | 630 |
lemma "P D" |
14350 | 631 |
refute |
632 |
oops |
|
633 |
||
15547
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changeset
|
634 |
lemma "P (T2_rec c d x)" |
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changeset
|
635 |
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
|
636 |
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
|
637 |
|
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
|
638 |
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
|
639 |
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
|
640 |
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
|
641 |
|
14455 | 642 |
datatype ('a,'b) T3 = E "'a \<Rightarrow> 'b" |
643 |
||
14809 | 644 |
lemma "P (x::('a,'b) T3)" |
645 |
refute |
|
646 |
oops |
|
647 |
||
648 |
lemma "\<forall>x::('a,'b) T3. P x" |
|
649 |
refute |
|
650 |
oops |
|
651 |
||
14455 | 652 |
lemma "P E" |
653 |
refute |
|
14350 | 654 |
oops |
655 |
||
15547
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changeset
|
656 |
lemma "P (T3_rec e x)" |
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changeset
|
657 |
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
|
658 |
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
|
659 |
|
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
|
660 |
lemma "P (case x of E f \<Rightarrow> e f)" |
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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
|
661 |
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
|
662 |
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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changeset
|
663 |
|
14350 | 664 |
subsubsection {* Recursive datatypes *} |
665 |
||
15547
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|
666 |
text {* nat *} |
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|
667 |
|
14809 | 668 |
lemma "P (x::nat)" |
669 |
refute |
|
670 |
oops |
|
14350 | 671 |
|
14809 | 672 |
lemma "\<forall>x::nat. P x" |
673 |
refute |
|
14350 | 674 |
oops |
675 |
||
14809 | 676 |
lemma "P (Suc 0)" |
677 |
refute |
|
14350 | 678 |
oops |
679 |
||
14809 | 680 |
lemma "P Suc" |
681 |
refute -- {* @{term "Suc"} is a partial function (regardless of the size |
|
682 |
of the model), hence @{term "P Suc"} is undefined, hence no |
|
683 |
model will be found *} |
|
14350 | 684 |
oops |
685 |
||
15547
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|
686 |
lemma "P (nat_rec zero suc x)" |
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changeset
|
687 |
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
|
688 |
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
|
689 |
|
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
|
690 |
lemma "P (case x of 0 \<Rightarrow> zero | Suc n \<Rightarrow> suc n)" |
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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
|
691 |
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
|
692 |
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
|
693 |
|
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
|
694 |
text {* '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
|
695 |
|
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
|
696 |
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
|
697 |
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
|
698 |
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
|
699 |
|
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
|
700 |
lemma "\<forall>xs::'a list. P xs" |
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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
|
701 |
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
|
702 |
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
|
703 |
|
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
|
704 |
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
|
705 |
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
|
706 |
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
|
707 |
|
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
|
708 |
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:
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changeset
|
709 |
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
|
710 |
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
|
711 |
|
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
|
712 |
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
|
713 |
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
|
714 |
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
|
715 |
|
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
|
716 |
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
|
717 |
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
|
718 |
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
|
719 |
|
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 |
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
|
721 |
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
|
722 |
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
|
723 |
|
14350 | 724 |
datatype 'a BinTree = Leaf 'a | Node "'a BinTree" "'a BinTree" |
725 |
||
726 |
lemma "P (x::'a BinTree)" |
|
14809 | 727 |
refute |
14350 | 728 |
oops |
729 |
||
730 |
lemma "\<forall>x::'a BinTree. P x" |
|
14809 | 731 |
refute |
732 |
oops |
|
733 |
||
734 |
lemma "P (Node (Leaf x) (Leaf y))" |
|
735 |
refute |
|
14350 | 736 |
oops |
737 |
||
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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diff
changeset
|
738 |
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
|
739 |
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
|
740 |
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
|
741 |
|
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
|
742 |
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
|
743 |
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
|
744 |
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
|
745 |
|
14350 | 746 |
subsubsection {* Mutually recursive datatypes *} |
747 |
||
748 |
datatype 'a aexp = Number 'a | ITE "'a bexp" "'a aexp" "'a aexp" |
|
749 |
and 'a bexp = Equal "'a aexp" "'a aexp" |
|
750 |
||
751 |
lemma "P (x::'a aexp)" |
|
14809 | 752 |
refute |
14350 | 753 |
oops |
754 |
||
755 |
lemma "\<forall>x::'a aexp. P x" |
|
14809 | 756 |
refute |
14350 | 757 |
oops |
758 |
||
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
|
759 |
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
|
760 |
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
|
761 |
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
|
762 |
|
14350 | 763 |
lemma "P (x::'a bexp)" |
14809 | 764 |
refute |
14350 | 765 |
oops |
766 |
||
767 |
lemma "\<forall>x::'a bexp. P x" |
|
14809 | 768 |
refute |
14350 | 769 |
oops |
770 |
||
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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diff
changeset
|
771 |
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
|
772 |
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
|
773 |
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
|
774 |
|
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
|
775 |
lemma "P (case x of Number a \<Rightarrow> number a | ITE b a1 a2 \<Rightarrow> ite b a1 a2)" |
14809 | 776 |
refute |
14350 | 777 |
oops |
778 |
||
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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diff
changeset
|
779 |
lemma "P (aexp_bexp_rec_2 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:
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changeset
|
780 |
(*TODO 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
|
781 |
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
|
782 |
|
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
|
783 |
lemma "P (case x of Equal a1 a2 \<Rightarrow> equal a1 a2)" |
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 |
(*TODO: 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
|
785 |
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
|
786 |
|
14350 | 787 |
subsubsection {* Other datatype examples *} |
788 |
||
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
|
789 |
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
|
790 |
|
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
|
791 |
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:
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diff
changeset
|
792 |
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
|
793 |
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
|
794 |
|
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 |
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
|
796 |
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
|
797 |
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
|
798 |
|
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 |
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
|
800 |
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
|
801 |
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
|
802 |
|
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 |
lemma "P (Trie_rec tr 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
|
804 |
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
|
805 |
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
|
806 |
|
14809 | 807 |
datatype InfTree = Leaf | Node "nat \<Rightarrow> InfTree" |
14350 | 808 |
|
809 |
lemma "P (x::InfTree)" |
|
14809 | 810 |
refute |
14350 | 811 |
oops |
812 |
||
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 |
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
|
814 |
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
|
815 |
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
|
816 |
|
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
|
817 |
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
|
818 |
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
|
819 |
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
|
820 |
|
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
|
821 |
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
|
822 |
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
|
823 |
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
|
824 |
|
14350 | 825 |
datatype 'a lambda = Var 'a | App "'a lambda" "'a lambda" | Lam "'a \<Rightarrow> 'a lambda" |
826 |
||
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
|
827 |
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
|
828 |
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
|
829 |
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
|
830 |
|
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 |
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
|
832 |
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
|
833 |
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
|
834 |
|
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
|
835 |
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
|
836 |
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
|
837 |
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
|
838 |
|
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 |
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
|
840 |
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
|
841 |
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
|
842 |
|
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 |
subsubsection {* Examples involving certain functions *} |
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 |
|
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 |
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
|
846 |
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
|
847 |
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
|
848 |
|
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
|
849 |
lemma "P nat_rec" |
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 |
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
|
851 |
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
|
852 |
|
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
|
853 |
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
|
854 |
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
|
855 |
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
|
856 |
|
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
|
857 |
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
|
858 |
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
|
859 |
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
|
860 |
|
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
|
861 |
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
|
862 |
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
|
863 |
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
|
864 |
|
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
|
865 |
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
|
866 |
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
|
867 |
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
|
868 |
|
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
|
869 |
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
|
870 |
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
|
871 |
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
|
872 |
|
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
|
873 |
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
|
874 |
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
|
875 |
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
|
876 |
|
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
|
877 |
lemma "P (xs::'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
webertj
parents:
15297
diff
changeset
|
878 |
refute ["List.list"=4, "'a"=2] |
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
|
879 |
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
|
880 |
|
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
|
881 |
lemma "a @ b = b @ 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
|
882 |
(*TODO refute*) -- {* unfortunately, this little example already takes too long *} |
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
|
883 |
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
|
884 |
|
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
|
885 |
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
|
886 |
|
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
|
887 |
ML {* set show_consts; set show_types; set show_sorts; *} |
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
|
888 |
|
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
|
889 |
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
|
890 |
|
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
|
891 |
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
|
892 |
|
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
|
893 |
lemma "P (x::'a::classA)" |
14809 | 894 |
refute |
895 |
oops |
|
896 |
||
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
|
897 |
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
webertj
parents:
15297
diff
changeset
|
898 |
|
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
|
899 |
axclass classB |
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
|
900 |
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
webertj
parents:
15297
diff
changeset
|
901 |
|
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
|
902 |
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
webertj
parents:
15297
diff
changeset
|
903 |
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
|
904 |
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
|
905 |
|
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
|
906 |
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
webertj
parents:
15297
diff
changeset
|
907 |
|
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
|
908 |
axclass classC < type |
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
|
909 |
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
webertj
parents:
15297
diff
changeset
|
910 |
|
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
|
911 |
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
webertj
parents:
15297
diff
changeset
|
912 |
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
|
913 |
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
|
914 |
|
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
|
915 |
lemma "\<exists>x y. (x::'a::classC) \<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
webertj
parents:
15297
diff
changeset
|
916 |
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:
15297
diff
changeset
|
917 |
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
|
918 |
|
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
|
919 |
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:
15297
diff
changeset
|
920 |
|
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
|
921 |
consts |
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
|
922 |
classD_const :: "'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
|
923 |
|
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
|
924 |
axclass classD < type |
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
|
925 |
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:
15297
diff
changeset
|
926 |
|
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
|
927 |
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:
15297
diff
changeset
|
928 |
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
|
929 |
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
|
930 |
|
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
|
931 |
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:
15297
diff
changeset
|
932 |
|
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
|
933 |
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
webertj
parents:
15297
diff
changeset
|
934 |
|
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
|
935 |
lemma "P (x::'a::classE)" |
14809 | 936 |
refute |
937 |
oops |
|
938 |
||
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
|
939 |
lemma "P (x::'a::{classB, classE})" |
14809 | 940 |
refute |
941 |
oops |
|
942 |
||
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 |
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:
15297
diff
changeset
|
944 |
|
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 |
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:
15297
diff
changeset
|
946 |
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:
15297
diff
changeset
|
947 |
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:
15297
diff
changeset
|
948 |
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
|
949 |
|
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 |
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:
15297
diff
changeset
|
951 |
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:
15297
diff
changeset
|
952 |
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:
15297
diff
changeset
|
953 |
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
|
954 |
|
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 |
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:
15297
diff
changeset
|
956 |
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:
15297
diff
changeset
|
957 |
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:
15297
diff
changeset
|
958 |
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
|
959 |
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
|
960 |
|
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 |
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
|
962 |
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
|
963 |
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
|
964 |
|
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 |
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
|
966 |
|
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 |
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
|
968 |
|
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 |
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
|
970 |
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
|
971 |
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
|
972 |
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
|
973 |
|
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 |
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
|
975 |
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
|
976 |
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
|
977 |
|
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 |
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
|
979 |
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
|
980 |
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
|
981 |
|
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
|
982 |
lemma "P (inverse (p::'a\<times>'b))" |
14809 | 983 |
refute |
14350 | 984 |
oops |
985 |
||
986 |
end |