Theorem ball_subset_of_mem

Modification history

2026-10-28 22:35
Mathlib/Topology/UniformSpace/Ultra/Basic.lean
chore(Topology): deprecate `UniformSpace.ball` in favor of `SetRel.ball` (#44887) …
Modified ball_subset_of_memView on Github →
2025-10-24 14:57
Mathlib/Topology/UniformSpace/Ultra/Basic.lean
refactor(Topology/UniformSpace): use `SetRel` (#23181) …
Added ball_subset_of_memView on Github →