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doc-src/Intro/gate.thy
author wenzelm
Thu, 03 Apr 2008 18:42:36 +0200
changeset 26538 d65504ffb47d
parent 105 216d6ed87399
permissions -rw-r--r--
replaced ETX/EOT by ENQ/ACK, which are less likely to be interpreted by tty etc.;
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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