doc-src/Intro/gate.thy
author wenzelm
Thu, 20 Nov 1997 15:28:48 +0100
changeset 4256 e768c42069bb
parent 105 216d6ed87399
permissions -rw-r--r--
removed data.ML (made part of sign.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