Theorem exterior_union

Modification history

2025-07-09 18:24
Mathlib/Topology/NhdsKer.lean
style(Mathlib/Topology): rename `exterior` (2/2) (#26919) …
Deleted exterior_unionView on Github →
2024-09-24 06:31
Mathlib/Topology/AlexandrovDiscrete.lean
chore(AlexandrovDiscrete): move `exterior` to new files (#16957) …
Modified exterior_unionView on Github →
2024-09-19 18:37
Mathlib/Topology/AlexandrovDiscrete.lean
feat(Topology/AlexandrovDiscrete): generalize some lemmas (#16932) …
Modified exterior_unionView on Github →
2023-09-14 10:14
Mathlib/Topology/AlexandrovDiscrete.lean
feat: Exterior of a set (#6982) …
Added exterior_unionView on Github →