doc-src/Intro/gate.thy
author wenzelm
Tue, 05 Aug 1997 16:44:46 +0200
changeset 3592 97631fd74f41
parent 105 216d6ed87399
permissions -rw-r--r--
SML/NJ 1.07 no longer supported!

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