Theorem Metric.isOpen_ball

Modification history

2023-10-30 10:24
Mathlib/Topology/MetricSpace/Basic.lean
chore: split MetricSpace.basic (#7920) …
Modified Metric.isOpen_ballView on Github →
2023-03-03 17:48
Mathlib/Topology/MetricSpace/Basic.lean
feat: port Topology.MetricSpace.Basic (#2425)
Added Metric.isOpen_ballView on Github →