∀ {Γ : Type u_1} {R : Type u_3} {α : Type u_5} [inst : PartialOrder Γ] [inst_1 : AddCommMonoid R]
  {s : HahnSeries.SummableFamily Γ R α} {g g' : Γ},
  (∀ (b : α), ∀ g' ∈ (s b).support, g ≤ g') → g' ∈ s.hsum.support → g ≤ g'