Theorem OpenSubgroup.isClosed

Modification history

2026-03-13 18:00
Mathlib/Topology/Algebra/OpenSubgroup.lean
feat: generalize some `ContinuousMul` hypotheses to `SeparatelyContinuousMul` (#36562) …
Modified OpenSubgroup.isClosedView on Github →
2023-03-17 12:26
Mathlib/Topology/Algebra/OpenSubgroup.lean
feat: port Topology.Algebra.OpenSubgroup (#2889)
Added OpenSubgroup.isClosedView on Github →