Theorem Metric.ball_union_sphere

Modification history

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