∫ Утверждение Mathlib
sum_weightedVSubVSubWeights
Mathlib.LinearAlgebra.AffineSpace.Combination
URI: https://scilib.ai/kg/mathlib#Finset.sum_weightedVSubVSubWeights
∫ Утверждение Mathlib
Mathlib.LinearAlgebra.AffineSpace.Combination
URI: https://scilib.ai/kg/mathlib#Finset.sum_weightedVSubVSubWeights