Theorem isClosed_iff_ultrafilter

Modification history

2024-11-02 01:04
Mathlib/Topology/Basic.lean
chore: delay importing ultrafilters (#18328) …
Modified isClosed_iff_ultrafilterView on Github →
2024-01-31 14:30
Mathlib/Topology/Basic.lean
feat: characterize ClusterPt, MapClusterPt, IsClosed using ultrafilters (#10143) …
Added isClosed_iff_ultrafilterView on Github →