doc-src/Intro/gate.thy
author wenzelm
Tue, 16 May 2006 13:05:37 +0200
changeset 19650 33a94c5fc7bb
parent 105 216d6ed87399
permissions -rw-r--r--
Amine Chaieb: Ferrante and Rackoff Algorithm;

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