Theorem IsOpen.exterior_subset

Modification history

2024-09-24 06:31
Mathlib/Topology/AlexandrovDiscrete.lean
chore(AlexandrovDiscrete): move `exterior` to new files (#16957) …
Modified IsOpen.exterior_subsetView on Github →
2023-09-14 10:14
Mathlib/Topology/AlexandrovDiscrete.lean
feat: Exterior of a set (#6982) …
Added IsOpen.exterior_subsetView on Github →