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Theorem continuous_on.preimage_clopen_of_clopen

Modification history

2022-01-14 08:37
src/topology/subset_properties.lean
feat(topology/subset_properties): some compactness properties (#11425) …
Modified continuous_on.preimage_clopen_of_clopenView on Github →
2020-12-15 22:23
src/topology/subset_properties.lean
feat(topology/separation): add lemma connected_component_eq_clopen_Inter (#5335) …
Added continuous_on.preimage_clopen_of_clopenView on Github →