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Theorem metric.nonempty_ball

Modification history

2021-08-21 19:52
src/topology/metric_space/basic.lean
feat(topology/metric_space): turn `nonempty_ball` into an `iff` (#8747) …
Modified metric.nonempty_ballView on Github →
2020-08-05 09:56
src/topology/metric_space/basic.lean
feat(topology): normed spaces are (locally) path connected (#3689)
Added metric.nonempty_ballView on Github →