doc-src/Tutorial/Misc/Exor.thy
author paulson
Mon, 02 Feb 2004 12:23:46 +0100
changeset 14371 c78c7da09519
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Conversion of HyperNat to Isar format and its declaration as a semiring

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