doc-src/Intro/gate.thy
author wenzelm
Wed, 13 Aug 2008 20:57:16 +0200
changeset 27848 eda38d6e55da
parent 105 216d6ed87399
permissions -rw-r--r--
removed obsolete theorems; handle generic XML markup as well (plain <markup> instead of <... class=markup>); misc tuning/update according to Pure/Generic/markup.ML;
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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