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Theorem topological_space.metrizable_space_of_t3_second_countable

Modification history

2022-07-13 00:00
src/topology/metric_space/metrizable.lean
refactor(topology/separation): rename `regular_space` to `t3_space` (#15169) …
Added topological_space.metrizable_space_of_t3_second_countableView on Github →