doc-src/Tutorial/Misc/Exor.thy
author wenzelm
Wed, 08 Sep 1999 23:49:39 +0200
changeset 7527 9e2dddd8b81f
parent 5377 efb799c5ed3c
permissions -rw-r--r--
lemma less_add;

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