Theorem Filter.ker_principal

Modification history

2024-01-26 13:55
Mathlib/Order/Filter/Basic.lean
chore(Filter/Ker): move from Filter.Basic to a new file (#10023) …
Modified Filter.ker_principalView on Github →
2023-09-06 10:25
Mathlib/Order/Filter/Basic.lean
feat: Kernel of a filter (#6981) …
Added Filter.ker_principalView on Github →