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doc-src/Intro/gate.thy
author lcp
Mon, 19 Dec 1994 13:18:54 +0100
changeset 805 96f51689cdeb
parent 105 216d6ed87399
permissions -rw-r--r--
added true theory dependencies
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Gate = FOL +
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consts  nand,xor :: "[o,o] => o"
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rules   nand_def "nand(P,Q) == ~(P & Q)"
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        xor_def  "xor(P,Q)  == P & ~Q | ~P & Q"
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end
isabelle