doc-src/Intro/gate.thy
author ballarin
Wed, 04 Nov 2009 22:51:27 +0100
changeset 33462 ddcf2004e215
parent 105 216d6ed87399
permissions -rw-r--r--
Use PrintMode.setmp to make thread-safe; avoid code clones.

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