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doc-src/Intro/gate.thy
author wenzelm
Tue, 09 Nov 2010 23:24:46 +0100
changeset 40452 45e7c2889d2f
parent 105 216d6ed87399
permissions -rw-r--r--
misc tuning and simplification, using Isabelle_Sidekick.Asset (not sidekick.Asset, which is dynamically dispatched to slightly different semantics);
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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