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Theorem is_open_map.nhds_le

Modification history

2021-01-15 10:58
src/topology/maps.lean
feat(analysis/calculus/inverse): a map that has an invertible strict derivative at every point is an open map (#5753) …
Modified is_open_map.nhds_leView on Github →
2020-01-06 23:48
src/topology/maps.lean
feat(topology/maps): a few lemmas about `is_open_map` (#1855) …
Added is_open_map.nhds_leView on Github →