doc-src/Intro/gate.thy
author lcp
Fri, 15 Apr 1994 16:29:48 +0200
changeset 319 f143f7686cd6
parent 105 216d6ed87399
permissions -rw-r--r--
penultimate Springer draft

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