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doc-src/Intro/gate.thy
author wenzelm
Mon, 03 Nov 1997 12:11:34 +0100
changeset 4087 42229596565c
parent 105 216d6ed87399
permissions -rw-r--r--
use "hologic.ML"; use "cladata.ML"; use "simpdata.ML"; moved to ROOT.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
isabelle