doc-src/Intro/gate.thy
author wenzelm
Fri, 06 Mar 2009 22:50:30 +0100
changeset 30320 5f859035331f
parent 105 216d6ed87399
permissions -rw-r--r--
eliminated Output.immediate_output -- violates the official message channel protocol;

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