∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} C] {J : CategoryTheory.GrothendieckTopology C} {X : C}
  {S : CategoryTheory.Sieve X} {E : J.OneHypercover X}, E.sieve₀ ≤ S → ∀ (i : E.multicospanShape.L), S.arrows (E.f i)