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Theorem metric.thickening_eq_bUnion_ball

Modification history

2021-11-16 23:48
src/topology/metric_space/hausdorff_distance.lean
feat(topology/metric_space/hausdorff_distance): add definition and lemmas about open thickenings of subsets (#10188) …
Added metric.thickening_eq_bUnion_ballView on Github →