doc-src/Intro/gate.thy
author wenzelm
Tue, 05 Jun 2007 16:26:04 +0200
changeset 23252 67268bb40b21
parent 105 216d6ed87399
permissions -rw-r--r--
Semiring normalization and Groebner Bases.

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