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Def is_open_map

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_mapView on Github →
2019-03-03 19:05
src/topology/constructions.lean
chore(topology): Splits topology.basic and topology.continuity (#785) …
Modified is_open_mapView on Github →
2018-10-15 13:39
analysis/topology/continuity.lean
refactor(analysis/topology): move is_open_map to continuity
Modified is_open_mapView on Github →
2018-10-15 13:39
analysis/topology/quotient_topological_structures.lean
feat(analysis/topology/quotient_topological_structures): endow quotient …
Added is_open_mapView on Github →