Theorem isOpen_unionₛ

Modification history

2023-05-14 07:05
Mathlib/Topology/Basic.lean
chore: Rename to `sSup`/`iSup` (#3938) …
Deleted isOpen_unionₛView on Github →
2023-01-26 08:19
Mathlib/Topology/Basic.lean
feat: port Topology.Basic (#1826)
Added isOpen_unionₛView on Github →