∀ {ι : Type u_1} {α : Type u_2} [inst : Semiring α] [inst_1 : LinearOrder α] [IsStrictOrderedRing α] [ExistsAddOfLE α]
  {f g : ι → α} [inst_4 : Fintype ι], Monovary f g → (∑ i, f i) * ∑ i, g i ≤ ↑(Fintype.card ι) * ∑ i, f i * g i