Theorem exterior_mem_nhdsSet

Modification history

2025-07-09 18:24
Mathlib/Topology/AlexandrovDiscrete.lean
style(Mathlib/Topology): rename `exterior` (2/2) (#26919) …
Deleted exterior_mem_nhdsSetView on Github →
2023-09-14 10:14
Mathlib/Topology/AlexandrovDiscrete.lean
feat: Exterior of a set (#6982) …
Added exterior_mem_nhdsSetView on Github →