doc-src/Intro/gate.thy
author haftmann
Fri, 09 Mar 2007 08:45:53 +0100
changeset 22423 c1836b14c63a
parent 105 216d6ed87399
permissions -rw-r--r--
dropped code datatype certificates

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