doc-src/Intro/gate.thy
author wenzelm
Tue, 05 Jul 2005 15:39:48 +0200
changeset 16690 b8b2579a2509
parent 105 216d6ed87399
permissions -rw-r--r--
tuned;

Gate = FOL +
consts  nand,xor :: "[o,o] => o"
rules   nand_def "nand(P,Q) == ~(P & Q)"
        xor_def  "xor(P,Q)  == P & ~Q | ~P & Q"
end