doc-src/Intro/gate.thy
author wenzelm
Thu, 04 Dec 2008 23:00:27 +0100
changeset 28972 cb8a2c3e188f
parent 105 216d6ed87399
permissions -rw-r--r--
renamed type Future.T to future; added map combinator;

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