∀ {B : Type u₁} [inst : CategoryTheory.Bicategory B] {C : Type u₂} [inst_1 : CategoryTheory.Bicategory C]
  {F G : CategoryTheory.LaxFunctor B C} {η θ : F ⟶ G} (as as_1 : CategoryTheory.Lax.OplaxTrans.Modification η θ),
  ({ as := as } = { as := as_1 }) = (as = as_1)