doc-src/Intro/gate.thy
author wenzelm
Wed, 26 Sep 2001 22:25:23 +0200
changeset 11573 4f85af77038f
parent 105 216d6ed87399
permissions -rw-r--r--
bold symbols;

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