Theorem IsTopologicalGroup.exist_openSubgroup_sub_clopen_nhds_of_one

Modification history

2025-05-22 19:35
Mathlib/Topology/Algebra/OpenSubgroup.lean
chore: replace nhd with nhds (#25108)
Added IsTopologicalGroup.exist_openSubgroup_sub_clopen_nhds_of_oneView on Github →