Theorem Set.PairwiseDisjoint.countable_of_isOpen

Modification history

2023-08-10 19:52
Mathlib/Topology/Bases.lean
chore: banish `Type _` and `Sort _` (#6499) …
Modified Set.PairwiseDisjoint.countable_of_isOpenView on Github →
2023-02-01 00:30
Mathlib/Topology/Bases.lean
feat: port Topology.Bases (#1910)
Added Set.PairwiseDisjoint.countable_of_isOpenView on Github →