Theorem IsTransitiveRel.ball_subset_of_mem

Modification history

2025-10-24 14:57

Mathlib/Topology/UniformSpace/Ultra/Basic.lean

refactor(Topology/UniformSpace): use `SetRel` (#23181) …

Deleted IsTransitiveRel.ball_subset_of_mem View on Github →

2025-03-14 10:34

Mathlib/Topology/UniformSpace/Ultra.lean

feat(Topology/UniformSpace): define nonarchimedean uniformity (#22580) …

Added IsTransitiveRel.ball_subset_of_mem View on Github →