doc-src/Tutorial/Misc/Exor.thy
author wenzelm
Fri, 09 Nov 2001 00:16:52 +0100
changeset 12119 fab22bdb1496
parent 5377 efb799c5ed3c
permissions -rw-r--r--
added impose_hyps_tac; robustify insts of tactic emulations;

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