Mathlib Changelog
v4
Changelog
About
Github
Theorem
QuotientGroup.ker_map
Modification history
2025-04-30 10:47
Mathlib/GroupTheory/QuotientGroup/Defs.lean
feat(QuotientGroup): surjectivity and kernel of `QuotientGroup.map` (#23205) …
Added
QuotientGroup.ker_map
View on Github →