Leonardo de Moura d8f3bcec67 feat(library/init/logic): add 'arbitrary' ... It is identical to default, but it is opaque. That is, when we use 'arbitrary A', we cannot rely on the particular value selected.		2015-01-05 13:27:09 -08:00
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lean	feat(library/init/logic): add 'arbitrary'	2015-01-05 13:27:09 -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