Theorem IsOpen.exists_unionᵢ_isClosed

Modification history

2023-05-14 07:05
Mathlib/Topology/MetricSpace/HausdorffDistance.lean
chore: Rename to `sSup`/`iSup` (#3938) …
Deleted IsOpen.exists_unionᵢ_isClosedView on Github →
2023-04-07 13:27
Mathlib/Topology/MetricSpace/HausdorffDistance.lean
feat: port Topology.MetricSpace.HausdorffDistance (#3313)
Added IsOpen.exists_unionᵢ_isClosedView on Github →