Theorem UniformSpace.isOpen_ball

Modification history

2025-10-24 14:57
Mathlib/Topology/UniformSpace/Basic.lean
refactor(Topology/UniformSpace): use `SetRel` (#23181) …
Modified UniformSpace.isOpen_ballView on Github →
2024-08-31 14:29
Mathlib/Topology/UniformSpace/Basic.lean
chore: Namespace `UniformSpace.ball` API (#16113) …
Modified UniformSpace.isOpen_ballView on Github →
2023-02-02 05:07
Mathlib/Topology/UniformSpace/Basic.lean
feat: port Topology.UniformSpace.Basic (#1993)
Added UniformSpace.isOpen_ballView on Github →