doc-src/Intro/gate.thy
author wenzelm
Thu, 27 Apr 2006 15:06:42 +0200
changeset 19485 5385c9d86c2a
parent 105 216d6ed87399
permissions -rw-r--r--
renamed Source.mapfilter to Source.map_filter;

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