Theorem Metric.isCover_iff_subset_iUnion_emetricClosedBall

Modification history

2026-02-01 00:20
Mathlib/Topology/MetricSpace/Cover.lean
refactor(EMetricSpace): rename `EMetric.ball` -> `Metric.eball` (#34379) …
Deleted Metric.isCover_iff_subset_iUnion_emetricClosedBallView on Github →
2025-11-05 13:09
Mathlib/Topology/MetricSpace/Cover.lean
feat(MetricSpace): covers (aka nets) (#23124) …
Added Metric.isCover_iff_subset_iUnion_emetricClosedBallView on Github →