Theorem Set.Finite.isClopen_biUnion

Modification history

2024-08-02 07:08
Mathlib/Topology/Clopen.lean
chore: backports for leanprover/lean4#4814 (part 13) (#15397) …
Modified Set.Finite.isClopen_biUnionView on Github →
2023-10-30 11:10
Mathlib/Topology/Clopen.lean
chore(Topology/Clopen): rename type variables (#7921) …
Modified Set.Finite.isClopen_biUnionView on Github →
2023-10-11 21:40
Mathlib/Topology/Clopen.lean
chore(Topology/SubsetProperties): Refactor SubsetProperties.lean (#7628) …
Modified Set.Finite.isClopen_biUnionView on Github →
2023-09-05 23:13
Mathlib/Topology/SubsetProperties.lean
feat: Alexandrov-discrete spaces (#6962) …
Added Set.Finite.isClopen_biUnionView on Github →