doc-src/Intro/gate.thy
author oheimb
Fri, 28 Jan 2000 14:07:53 +0100
changeset 8156 33d23d0a300e
parent 105 216d6ed87399
permissions -rw-r--r--
added inj_singleton

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