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doc-src/Tutorial/Misc/Exor.thy
author
wenzelm
Thu, 30 Sep 1999 23:31:13 +0200
changeset 7668
80c310e76c46
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
removed ProofContext.declare_thm;
Exor = Main +
constdefs
exor :: bool => bool => bool
"exor A B == (A & ~B) | (~A & B)"
end