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doc-src/Intro/gate.thy
author blanchet
Tue, 26 Oct 2010 12:17:19 +0200
changeset 40178 00152d17855b
parent 105 216d6ed87399
permissions -rw-r--r--
reverted e7a80c6752c9 -- there's not much point in putting a diagnosis tool (as opposed to a proof method) in Plain, but more importantly Sledgehammer must be in Main to use SMT solvers
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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