Theorem mem_nhds_left

Modification history

2026-10-28 22:35
Mathlib/Topology/UniformSpace/Defs.lean
chore(Topology): deprecate `UniformSpace.ball` in favor of `SetRel.ball` (#44887) …
Modified mem_nhds_leftView on Github →
2025-10-24 14:57
Mathlib/Topology/UniformSpace/Defs.lean
refactor(Topology/UniformSpace): use `SetRel` (#23181) …
Modified mem_nhds_leftView on Github →
2025-02-10 19:51
Mathlib/Topology/UniformSpace/Basic.lean
chore(Topology/UniformSpace): split into `Defs` and `Basic` (#21664) …
Modified mem_nhds_leftView on Github →
2023-02-02 05:07
Mathlib/Topology/UniformSpace/Basic.lean
feat: port Topology.UniformSpace.Basic (#1993)
Added mem_nhds_leftView on Github →