Theorem IsTopologicalGroup.exist_openNormalSubgroup_sub_clopen_nhd_of_one

Modification history

2025-05-22 19:35
Mathlib/Topology/Algebra/ClopenNhdofOne.lean
chore: replace nhd with nhds (#25108)
Deleted IsTopologicalGroup.exist_openNormalSubgroup_sub_clopen_nhd_of_oneView on Github →
2025-02-16 15:19
Mathlib/Topology/Algebra/ClopenNhdofOne.lean
chore: rename Topological(Semi)Ring -> IsTopological(Semi)Ring and Topological(Add)Group -> IsTopological(Add)Group (#21472)
Added IsTopologicalGroup.exist_openNormalSubgroup_sub_clopen_nhd_of_oneView on Github →