doc-src/Tutorial/Misc/Exor.thy
author ballarin
Fri, 29 Aug 2003 15:40:11 +0200
changeset 14175 dbd16ebaf907
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Method rule_tac understands Isar contexts: documentation.

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