doc-src/Intro/gate.thy
author paulson
Mon, 23 Oct 2000 16:24:52 +0200
changeset 10294 2ec9c808a8a7
parent 105 216d6ed87399
permissions -rw-r--r--
the Sets chapter and theories

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