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Theorem emetric.mem_ball'

Modification history

2022-06-21 14:57
src/topology/metric_space/emetric_space.lean
feat(topology/metric_space/basic): Add `ball_comm` lemmas (#14858) …
Modified emetric.mem_ball'View on Github →
2019-01-20 20:42
src/topology/metric_space/emetric_space.lean
feat(topology/emetric_space): basic facts for emetric spaces (#608)
Added emetric.mem_ball'View on Github →