doc-src/Intro/gate.thy
author wenzelm
Mon, 22 Mar 2010 20:59:22 +0100
changeset 35899 e810f73c8ee2
parent 105 216d6ed87399
permissions -rw-r--r--
explicit Simplifier.global_context;

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