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doc-src/Intro/gate.thy
author wenzelm
Thu, 23 Aug 2012 15:43:28 +0200
changeset 48908 713f24d7a40f
parent 105 216d6ed87399
permissions -rw-r--r--
added specific 'spark_open_vcg' and 'spark_open_siv' with formal management of corresponding source files;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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