doc-src/Intro/gate.thy
author krauss
Mon, 01 Mar 2010 17:05:57 +0100
changeset 35419 d78659d1723e
parent 105 216d6ed87399
permissions -rw-r--r--
more recdef (and old primrec) hunting

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