Theorem Set.Finite.isClosed_biUnion

Modification history

2024-01-24 10:41
Mathlib/Topology/Basic.lean
chore(Topology/Basic): rename variables (#9956) …
Modified Set.Finite.isClosed_biUnionView on Github →
2023-09-05 23:13
Mathlib/Topology/Basic.lean
feat: Alexandrov-discrete spaces (#6962) …
Added Set.Finite.isClosed_biUnionView on Github →