doc-src/Intro/gate.thy
author berghofe
Wed, 07 May 2008 10:56:52 +0200
changeset 26803 0af0f674845d
parent 105 216d6ed87399
permissions -rw-r--r--
- Explicitely passed pred_subset_eq and pred_equals_eq as an argument to the to_set and to_pred attributes, because it is no longer applied automatically - Manually applied predicate1I in proof of accp_subset, because it is no longer part of the claset - Replaced psubset_def by less_le
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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