Theorem Filter.HasBasis.biInter_biUnion_ball

Modification history

2025-10-24 14:57
Mathlib/Topology/UniformSpace/Defs.lean
refactor(Topology/UniformSpace): use `SetRel` (#23181) …
Modified Filter.HasBasis.biInter_biUnion_ballView on Github →
2025-02-10 19:51
Mathlib/Topology/UniformSpace/Basic.lean
chore(Topology/UniformSpace): split into `Defs` and `Basic` (#21664) …
Modified Filter.HasBasis.biInter_biUnion_ballView on Github →
2023-05-14 07:05
Mathlib/Topology/UniformSpace/Basic.lean
chore: Rename to `sSup`/`iSup` (#3938) …
Added Filter.HasBasis.biInter_biUnion_ballView on Github →