doc-src/Intro/gate.thy
author berghofe
Tue, 05 Oct 1999 15:31:42 +0200
changeset 7721 cb353d802ade
parent 105 216d6ed87399
permissions -rw-r--r--
Tuned inductive definition.

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