doc-src/Intro/gate.thy
author berghofe
Tue, 13 Nov 2007 10:57:47 +0100
changeset 25421 1c5b8d54a339
parent 105 216d6ed87399
permissions -rw-r--r--
Moved auxiliary lemmas to separate theory.

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