doc-src/Intro/gate.thy
author wenzelm
Mon, 25 May 1998 21:17:08 +0200
changeset 4962 e9217cb15b42
parent 105 216d6ed87399
permissions -rw-r--r--
global_names moved to pure_thy.ML;

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