doc-src/Tutorial/Misc/Exor.thy
author paulson
Fri, 27 Sep 2002 10:36:21 +0200
changeset 13593 e39f0751e4bf
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Tidied. New Pi-theorem.

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