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doc-src/Tutorial/Misc/Exor.thy
author webertj
Wed, 26 May 2004 18:03:52 +0200
changeset 14807 e8ccb13d7774
parent 5377 efb799c5ed3c
permissions -rw-r--r--
major code change: refute can now handle any Isabelle term, adds certain axioms automatically, and can handle inductive datatypes (but not yet recursion over them)
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Exor = Main +
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constdefs
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 exor :: bool => bool => bool
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"exor A B == (A & ~B) | (~A & B)"
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end
isabelle