doc-src/Intro/gate.thy
author wenzelm
Wed, 03 Oct 2001 21:03:05 +0200
changeset 11659 a68f930bafb2
parent 105 216d6ed87399
permissions -rw-r--r--
Tools/induct_attrib.ML now part of Pure;

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