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Theorem filter.seq_of_has_countable_basis

Modification history

2020-04-13 08:52
src/topology/bases.lean
refactor(order/filter): refactor filters infi and bases (#2384) …
Deleted filter.seq_of_has_countable_basisView on Github →
2019-10-10 09:00
src/topology/bases.lean
feat(topology/sequences): every first-countable space is sequential (#1528) …
Added filter.seq_of_has_countable_basisView on Github →