doc-src/Intro/gate.thy
author wenzelm
Tue, 24 Jul 2012 12:54:34 +0200
changeset 48472 6ebb6cdd36a5
parent 105 216d6ed87399
permissions -rw-r--r--
actually negate "document" (cf. 7483aa690b4f);

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