doc-src/Intro/gate.thy
author wenzelm
Wed, 06 Aug 2008 00:10:13 +0200
changeset 27749 24f2b57a34ea
parent 105 216d6ed87399
permissions -rw-r--r--
of_properties: observe Markup.position_properties';

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