Theorem TopologicalSpace.IsTopologicalBasis.open_iff_eq_sUnion

Modification history

2023-05-14 07:05
Mathlib/Topology/Bases.lean
chore: Rename to `sSup`/`iSup` (#3938) …
Added TopologicalSpace.IsTopologicalBasis.open_iff_eq_sUnionView on Github →