Theorem singletons_open_iff_discrete

Modification history

2026-04-17 09:59
Mathlib/Topology/Order.lean
chore: remove declarations deprecated between 2021-04-15 and 2025-10-15 (#38057) …
Deleted singletons_open_iff_discreteView on Github →
2023-08-10 19:52
Mathlib/Topology/Order.lean
chore: banish `Type _` and `Sort _` (#6499) …
Modified singletons_open_iff_discreteView on Github →
2023-01-31 11:16
Mathlib/Topology/Order.lean
feat: port Topology.Order (#1843)
Added singletons_open_iff_discreteView on Github →