Theorem Filter.isCountablyGenerated_of_subsingleton_mem

Modification history

2023-09-03 13:54
Mathlib/Order/Filter/Bases.lean
chore(Order.Filter): remove duplicated lemmas (#6932) …
Deleted Filter.isCountablyGenerated_of_subsingleton_memView on Github →
2023-08-31 13:03
Mathlib/Order/Filter/Bases.lean
feat: the atTop filter is countably generated in a second-countable topology (#6864)
Added Filter.isCountablyGenerated_of_subsingleton_memView on Github →