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Theorem topological_space.opens.is_compact_open_iff_eq_finite_Union_of_is_basis

Modification history

2023-02-09 19:18
src/topology/sets/opens.lean
refactor(topology/sets/opens): use a `structure` for `opens` and `open_nhds_of` (#18409) …
Deleted topological_space.opens.is_compact_open_iff_eq_finite_Union_of_is_basisView on Github →
2022-07-27 19:44
src/topology/sets/opens.lean
feat(algebraic_geometry/morphisms): Quasi-compact morphisms of schemes (#15436)
Added topological_space.opens.is_compact_open_iff_eq_finite_Union_of_is_basisView on Github →