Theorem Filter.atBot_countable_basis

Modification history

2025-12-08 05:19
Mathlib/Order/Filter/AtTopBot/CountablyGenerated.lean
refactor: make `abbrev`s for `IsDirected α (· ≤ ·)` and `IsDirected α (· ≥ ·)` (#32462) …
Modified Filter.atBot_countable_basisView on Github →
2024-12-06 13:50
Mathlib/Order/Filter/AtTopBot.lean
chore(Filter/Bases): split (#18450)
Modified Filter.atBot_countable_basisView on Github →
2024-08-06 23:04
Mathlib/Order/Filter/AtTopBot.lean
chore(Order/Filter/AtTopBot): Generalise from semilattices to directed orders (#15252) …
Modified Filter.atBot_countable_basisView on Github →
2023-01-24 09:14
Mathlib/Order/Filter/AtTopBot.lean
feat: port Order.Filter.AtTopBot (#1795)
Added Filter.atBot_countable_basisView on Github →