Theorem Metric.eball_zero

Modification history

2026-08-11 14:44

Mathlib/Topology/EMetricSpace/Defs.lean

refactor: reorganize Topology/EMetricSpace/Defs to generalise basic results (#40510) …

Modified Metric.eball_zero View on Github →

2026-02-01 00:20

Mathlib/Topology/EMetricSpace/Defs.lean

refactor(EMetricSpace): rename `EMetric.ball` -> `Metric.eball` (#34379) …

Added Metric.eball_zero View on Github →