Theorem Metric.thickening_ball

Modification history

2026-05-19 19:46
Mathlib/Topology/MetricSpace/Thickening.lean
feat(Topology): lemmas about `nhdsSet` filter (#39350)
Modified Metric.thickening_ballView on Github →
2025-01-10 22:52
Mathlib/Topology/MetricSpace/Thickening.lean
feat: three lemmas related to Hausdorff distance (#20585) …
Added Metric.thickening_ballView on Github →