Theorem Metric.isCover_iff_subset_iUnion_closedEBall

Modification history

2026-02-01 00:20
Mathlib/Topology/MetricSpace/Cover.lean
refactor(EMetricSpace): rename `EMetric.ball` -> `Metric.eball` (#34379) …
Added Metric.isCover_iff_subset_iUnion_closedEBallView on Github →