doc-src/Intro/gate.thy
author berghofe
Mon, 12 May 2003 13:51:50 +0200
changeset 14008 f843528b9f3c
parent 105 216d6ed87399
permissions -rw-r--r--
Program extraction framework.

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