doc-src/Intro/gate.thy
author nipkow
Thu, 10 May 2001 17:28:40 +0200
changeset 11295 66925f23ac7f
parent 105 216d6ed87399
permissions -rw-r--r--
improved tracing of permutative rules.

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