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Theorem is_preirreducible_of_subsingleton

Modification history

2022-02-23 09:39
src/topology/subset_properties.lean
refactor(topology/{separation,subset_properties}): use `set.subsingleton` (#12232) …
Deleted is_preirreducible_of_subsingletonView on Github →
2021-12-20 13:27
src/topology/subset_properties.lean
feat(topology/sober): Specialization & generic points & sober spaces (#10914)
Added is_preirreducible_of_subsingletonView on Github →