doc-src/Intro/gate.thy
author berghofe
Fri, 28 Sep 2001 16:42:58 +0200
changeset 11620 54e2f4c8c3cb
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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