Mathlib Changelog
v4
Changelog
About
Github
Theorem
Subgroup.finiteIndex_iInf'
Modification history
2024-07-26 08:51
Mathlib/GroupTheory/Index.lean
feat(GroupTheory): covering a group by cosets (Lemma of B. H. Neumann) (#13047) …
Added
Subgroup.finiteIndex_iInf'
View on Github →