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Theorem open_compl_iff

Modification history

2017-08-10 16:41
topology/topological_space.lean
rename open -> is_open, closed -> is_closed
Deleted open_compl_iffView on Github →
2017-08-10 16:36
topology/topological_space.lean
construct reals as complete, linear ordered field
Added open_compl_iffView on Github →