Theorem EMetric.closedBall_zero

Modification history

2026-02-01 00:20

Mathlib/Topology/EMetricSpace/Defs.lean

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

Deleted EMetric.closedBall_zero View on Github →

2025-03-19 22:37

Mathlib/Topology/EMetricSpace/Defs.lean

feat(EMetric): `closedBall x 0 = {x}` (#23106) …

Added EMetric.closedBall_zero View on Github →