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Theorem mem_nhds_within_Iic_iff_exists_mem_Ico_Ioc_subset

Modification history

2020-07-21 15:23
src/topology/algebra/ordered.lean
feat(topology): more lemmas about Ici and Iic neighborhoods (#3474) …
Added mem_nhds_within_Iic_iff_exists_mem_Ico_Ioc_subsetView on Github →