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Theorem metric.closed_ball_subset_cthickening

Modification history

2022-01-19 06:53
src/topology/metric_space/hausdorff_distance.lean
feat(analysis/normed/group/pointwise): the closed thickening of a compact set is the addition of a closed ball. (#11528)
Added metric.closed_ball_subset_cthickeningView on Github →