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Theorem metric.mem_thickening_iff

Modification history

2022-04-22 18:15
src/topology/metric_space/hausdorff_distance.lean
feat(topology/metric_space/hausdorff_distance): Thickening the closure (#13515) …
Modified metric.mem_thickening_iffView on Github →
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.mem_thickening_iffView on Github →