doc-src/Intro/bool.thy
author krauss
Tue, 02 Aug 2011 11:52:57 +0200
changeset 44014 88bd7d74a2c1
parent 32960 69916a850301
permissions -rw-r--r--
moved recursion combinator to HOL/Library/Wfrec.thy -- it is so fundamental and well-known that it should survive recdef
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Bool = FOL +
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types   bool 0
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arities bool    :: term
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consts tt,ff    :: "bool"
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end