doc-src/Intro/gate.thy
author wenzelm
Sun, 08 Mar 2009 21:35:39 +0100
changeset 30369 937eaec692cb
parent 105 216d6ed87399
permissions -rw-r--r--
use simplified ThyOutput.antiquotation; eliminated obscure structure alias;

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