doc-src/Intro/gate.thy
author nipkow
Mon, 01 Jul 2002 12:50:35 +0200
changeset 13261 a0460a450cf9
parent 105 216d6ed87399
permissions -rw-r--r--
fixed problem with linear arith.

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