doc-src/Intro/gate.thy
author urbanc
Thu, 13 Sep 2007 23:58:38 +0200
changeset 24571 a6d0428dea8e
parent 105 216d6ed87399
permissions -rw-r--r--
some cleaning up to do with contexts

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