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doc-src/Tutorial/Misc/Exor.thy
author
paulson
Thu, 17 Aug 2000 11:56:47 +0200
changeset 9634
61b57cc1cb5a
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
modified proofs: better rules for cancellation of common factors across comparisons
Exor = Main +
constdefs
exor :: bool => bool => bool
"exor A B == (A & ~B) | (~A & B)"
end