doc-src/Intro/gate.thy
author wenzelm
Mon, 18 Apr 2011 11:44:39 +0200
changeset 42384 6b8e28b52ae3
parent 105 216d6ed87399
permissions -rw-r--r--
pass plain Proof.context for pretty printing;

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