∫ Утверждение Mathlib
instAddGroup
Mathlib.RingTheory.MvPowerSeries.Basic
URI: https://scilib.ai/kg/mathlib#MvPowerSeries.instAddGroup
∫ Утверждение Mathlib
Mathlib.RingTheory.MvPowerSeries.Basic
URI: https://scilib.ai/kg/mathlib#MvPowerSeries.instAddGroup