∫ Утверждение Mathlib
rangeRestrict_surjective
Mathlib.Algebra.Group.Subgroup.Ker
URI: https://scilib.ai/kg/mathlib#MonoidHom.rangeRestrict_surjective
∫ Утверждение Mathlib
Mathlib.Algebra.Group.Subgroup.Ker
URI: https://scilib.ai/kg/mathlib#MonoidHom.rangeRestrict_surjective