doc-src/Intro/gate.thy
author wenzelm
Fri, 15 Aug 2008 15:50:52 +0200
changeset 27885 76b51cd0a37c
parent 105 216d6ed87399
permissions -rw-r--r--
renamed T.source_of' to T.source_position_of;

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