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Theorem sigma_compact_space.of_countable

Modification history

2022-06-22 18:31
src/topology/subset_properties.lean
refactor(data/set/countable): make `set.countable` protected (#14886) …
Modified sigma_compact_space.of_countableView on Github →
2021-01-24 06:50
src/topology/subset_properties.lean
feat(topology/subset_properties): a locally compact space with second countable topology is sigma compact (#5689) …
Added sigma_compact_space.of_countableView on Github →