∫ Утверждение Mathlib
mem_top
Mathlib.ModelTheory.ElementarySubstructures
URI: https://scilib.ai/kg/mathlib#FirstOrder.Language.ElementarySubstructure.mem_top
∫ Утверждение Mathlib
Mathlib.ModelTheory.ElementarySubstructures
URI: https://scilib.ai/kg/mathlib#FirstOrder.Language.ElementarySubstructure.mem_top