doc-src/Intro/gate.thy
author haftmann
Wed, 07 Oct 2009 12:06:04 +0200
changeset 32886 aba29da80c1b
parent 105 216d6ed87399
permissions -rw-r--r--
do not use Locale.add_registration_eqs any longer

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