∫ Утверждение Mathlib
mk_nat_mul
Mathlib.GroupTheory.QuotientGroup.Basic
URI: https://scilib.ai/kg/mathlib#QuotientAddGroup.mk_nat_mul
∫ Утверждение Mathlib
Mathlib.GroupTheory.QuotientGroup.Basic
URI: https://scilib.ai/kg/mathlib#QuotientAddGroup.mk_nat_mul