∫ Утверждение Mathlib
instInvolutiveInv
Mathlib.Algebra.GroupWithZero.WithZero
URI: https://scilib.ai/kg/mathlib#WithZero.instInvolutiveInv
∫ Утверждение Mathlib
Mathlib.Algebra.GroupWithZero.WithZero
URI: https://scilib.ai/kg/mathlib#WithZero.instInvolutiveInv