{C : Type u} →
  [inst : CategoryTheory.Category.{v, u} C] →
    (W : CategoryTheory.MorphismProperty C) →
      (Z : C) →
        [inst_1 : CategoryTheory.Limits.HasCoproduct CategoryTheory.OrthogonalReflection.D₁.obj₁] →
          ∐ CategoryTheory.OrthogonalReflection.D₁.obj₁ ⟶ Z