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doc-src/Intro/gate.thy
author wenzelm
Tue, 23 Aug 2011 16:53:05 +0200
changeset 44389 a3b5fdfb04a3
parent 105 216d6ed87399
permissions -rw-r--r--
tuned signature -- contrast physical output primitives versus Output.raw_message;

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
isabelle