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Theorem subset_or_disjoint_of_clopen

Modification history

2022-01-11 13:55
src/topology/connected.lean
refactor(topology/connected): drop `local attribute [instance] connected_component_setoid` (#11365) …
Deleted subset_or_disjoint_of_clopenView on Github →
2021-02-11 09:21
src/topology/connected.lean
refactor(topology/subset_properties.lean): split the subset_properties.lean file (#6161) …
Modified subset_or_disjoint_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 subset_or_disjoint_of_clopenView on Github →