Theorem Filter.atTop_eq_pure_of_isTop

Modification history

2025-04-02 15:28
Mathlib/Order/Filter/Ultrafilter/Basic.lean
feat(Order/Filter/Ultrafilter/Basic): generalize lemma (#23569) …
Modified Filter.atTop_eq_pure_of_isTopView on Github →
2025-01-21 12:39
Mathlib/Order/Filter/Ultrafilter/Basic.lean
chore: split Mathlib.Order.Filter.Ultrafilter (#20848)
Modified Filter.atTop_eq_pure_of_isTopView on Github →
2023-09-03 13:54
Mathlib/Order/Filter/AtTopBot.lean
chore(Order.Filter): remove duplicated lemmas (#6932) …
Modified Filter.atTop_eq_pure_of_isTopView on Github →
2023-08-31 13:03
Mathlib/Order/Filter/AtTopBot.lean
feat: the atTop filter is countably generated in a second-countable topology (#6864)
Added Filter.atTop_eq_pure_of_isTopView on Github →