doc-src/Intro/gate.thy
author blanchet
Fri, 11 Jun 2010 17:05:11 +0200
changeset 37397 18000f9d783e
parent 105 216d6ed87399
permissions -rw-r--r--
adjust Nitpick's handling of "<" on "rat"s and "reals"

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