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doc-src/Intro/gate.thy
author wenzelm
Mon, 03 Nov 1997 17:56:39 +0100
changeset 4102 f746af27164b
parent 105 216d6ed87399
permissions -rw-r--r--
added distinct_fst_string;

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