Theorem TopologicalSpace.secondCountableTopology_of_countable_cover

Modification history

2024-02-04 02:08
Mathlib/Topology/Bases.lean
refactor(Set/Countable): redefine `Set.Countable` (#9831) …
Modified TopologicalSpace.secondCountableTopology_of_countable_coverView on Github →
2023-02-01 00:30
Mathlib/Topology/Bases.lean
feat: port Topology.Bases (#1910)
Added TopologicalSpace.secondCountableTopology_of_countable_coverView on Github →