∫ Утверждение Mathlib
mk'_surjective
Mathlib.GroupTheory.QuotientGroup.Defs
URI: https://scilib.ai/kg/mathlib#QuotientGroup.mk'_surjective
∫ Утверждение Mathlib
Mathlib.GroupTheory.QuotientGroup.Defs
URI: https://scilib.ai/kg/mathlib#QuotientGroup.mk'_surjective