Theorem is_open_map_iff_nhds_le
Modification history
2020-02-18 09:33
src/topology/maps.lean
refactor(topology/maps): split the proof of `is_open_map_iff_nhds_le` (#2007) …
Modified is_open_map_iff_nhds_leView on Github →2020-01-06 23:48
src/topology/maps.lean
feat(topology/maps): a few lemmas about `is_open_map` (#1855) …
Modified is_open_map_iff_nhds_leView on Github →2019-11-12 11:23
src/topology/maps.lean
style(*): use notation `𝓝` for `nhds` (#1582) …
Modified is_open_map_iff_nhds_leView on Github →2019-03-03 19:05
src/topology/constructions.lean
chore(topology): Splits topology.basic and topology.continuity (#785) …
Modified is_open_map_iff_nhds_leView on Github →