Theorem IsOpen.exterior_subset_iff

Modification history

2024-09-19 18:37
Mathlib/Topology/AlexandrovDiscrete.lean
feat(Topology/AlexandrovDiscrete): generalize some lemmas (#16932) …
Deleted IsOpen.exterior_subset_iffView on Github →
2023-09-14 10:14
Mathlib/Topology/AlexandrovDiscrete.lean
feat: Exterior of a set (#6982) …
Added IsOpen.exterior_subset_iffView on Github →