Theorem UpperTopology.isClosed_Iic

Modification history

2023-08-15 16:57
Mathlib/Topology/Order/LowerUpperTopology.lean
feat: weaken assumptions for `IsCompact.existsIsLeast` and all of its variations (#6345) …
Deleted UpperTopology.isClosed_IicView on Github →
2023-07-25 10:57
Mathlib/Topology/Order/LowerUpperTopology.lean
feat(Topology/Order/LowerUpperTopology): Dual the lower topology (#5873) …
Added UpperTopology.isClosed_IicView on Github →