doc-src/Intro/gate.thy
author haftmann
Mon, 11 May 2009 11:53:21 +0200
changeset 31092 27a6558e64b6
parent 105 216d6ed87399
permissions -rw-r--r--
proper error handling for malformed code equations

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