Theorem Filter.limsInf_principal_eq_csSup

Modification history

2026-09-03 13:27
Mathlib/Order/LiminfLimsup.lean
chore(Order/liminfLimsup): use `to_dual` (#37757) …
Deleted Filter.limsInf_principal_eq_csSupView on Github →
2024-09-10 03:09
Mathlib/Order/LiminfLimsup.lean
feat: `limsup u ⊤ = ⨆ i, u i` in a conditionally complete lattice (#16135) …
Added Filter.limsInf_principal_eq_csSupView on Github →