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