Leonardo de Moura abe129aa4f refactor(library): rename theorems "iff.flip_sign -> not_iff_not_of_iff" and "decidable_iff_equiv -> decidable_of_decidable_of_iff"		2014-12-15 19:17:51 -08:00
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lean	refactor(library): rename theorems "iff.flip_sign -> not_iff_not_of_iff" and "decidable_iff_equiv -> decidable_of_decidable_of_iff"	2014-12-15 19:17:51 -08:00
lua	feat(kernel/inductive): relax conditions for an inductive datatype in Prop to be able to eliminate into Type	2014-11-06 09:36:54 -08:00