∫ Утверждение Mathlib
isRegular_iff_subsingleton
Mathlib.Algebra.GroupWithZero.Regular
URI: https://scilib.ai/kg/mathlib#isRegular_iff_subsingleton
∫ Утверждение Mathlib
Mathlib.Algebra.GroupWithZero.Regular
URI: https://scilib.ai/kg/mathlib#isRegular_iff_subsingleton