∫ Утверждение Mathlib
pullSub_mono
Mathlib.SetTheory.Descriptive.Tree
URI: https://scilib.ai/kg/mathlib#Descriptive.Tree.pullSub_mono
∫ Утверждение Mathlib
Mathlib.SetTheory.Descriptive.Tree
URI: https://scilib.ai/kg/mathlib#Descriptive.Tree.pullSub_mono