doc-src/Intro/gate.thy
author wenzelm
Fri, 29 Oct 2010 22:19:27 +0200
changeset 40284 c9acf88447e6
parent 105 216d6ed87399
permissions -rw-r--r--
export declarations by default, to allow other ML packages by-pass concrete syntax; proper Args parsing for attribute syntax (required for proper treatment of morphisms when declarations are moved between contexts); tuned;
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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