doc-src/Intro/gate.thy
author wenzelm
Mon, 08 Feb 2010 14:04:51 +0100
changeset 35031 2ddc7edce107
parent 105 216d6ed87399
permissions -rw-r--r--
more quotes;

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