∫ Утверждение Mathlib
left_ne_zero_of_smul
Mathlib.Algebra.GroupWithZero.Action.Defs
URI: https://scilib.ai/kg/mathlib#left_ne_zero_of_smul
∫ Утверждение Mathlib
Mathlib.Algebra.GroupWithZero.Action.Defs
URI: https://scilib.ai/kg/mathlib#left_ne_zero_of_smul