doc-src/Intro/gate.thy
author wenzelm
Thu, 09 Jun 2005 12:03:34 +0200
changeset 16347 9b3265182607
parent 105 216d6ed87399
permissions -rw-r--r--
meths: NameSpace.table;

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