doc-src/Intro/gate.thy
author wenzelm
Fri, 02 Jan 2009 15:44:32 +0100
changeset 29308 ddf7fad4448c
parent 105 216d6ed87399
permissions -rw-r--r--
added Isar/value_parse.ML: Outer syntax parsers for basic ML values.

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