doc-src/Intro/bool.thy
author lcp
Thu, 12 Jan 1995 03:03:07 +0100
changeset 855 4c8d0ece1f95
parent 105 216d6ed87399
child 32960 69916a850301
permissions -rw-r--r--
Added singleton_iff, Sigma_empty1, Sigma_empty2, Collect_simps and UnInt_simps to ZF_ss. Added consI1 to ZF_typechecks.
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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