∫ Утверждение Mathlib
eq_bot_of_subsingleton
Mathlib.Algebra.Group.Subgroup.Lattice
URI: https://scilib.ai/kg/mathlib#Subgroup.eq_bot_of_subsingleton
∫ Утверждение Mathlib
Mathlib.Algebra.Group.Subgroup.Lattice
URI: https://scilib.ai/kg/mathlib#Subgroup.eq_bot_of_subsingleton