doc-src/Intro/gate.thy
author haftmann
Mon, 16 Feb 2009 19:11:55 +0100
changeset 29940 83b373f61d41
parent 105 216d6ed87399
permissions -rw-r--r--
more default simp rules for sgn

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