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doc-src/Tutorial/Misc/Exor.thy
author paulson
Wed, 05 Jul 2000 18:27:55 +0200
changeset 9251 bd57acd44fc1
parent 5377 efb799c5ed3c
permissions -rw-r--r--
more tidying. also generalized some tactics to prove "Type A" and "a = b : A" judgements

Exor = Main +
constdefs
 exor :: bool => bool => bool
"exor A B == (A & ~B) | (~A & B)"
end
isabelle