∫ Утверждение Mathlib
of_subsingleton
Mathlib.Order.Filter.Subsingleton
URI: https://scilib.ai/kg/mathlib#Filter.Subsingleton.of_subsingleton
∫ Утверждение Mathlib
Mathlib.Order.Filter.Subsingleton
URI: https://scilib.ai/kg/mathlib#Filter.Subsingleton.of_subsingleton