∫ Утверждение Mathlib
instIsRightCancelMulZeroOfIsLeftCancelMulZero
Mathlib.Algebra.GroupWithZero.Opposite
URI: https://scilib.ai/kg/mathlib#MulOpposite.instIsRightCancelMulZeroOfIsLeftCancelMulZero
∫ Утверждение Mathlib
Mathlib.Algebra.GroupWithZero.Opposite
URI: https://scilib.ai/kg/mathlib#MulOpposite.instIsRightCancelMulZeroOfIsLeftCancelMulZero