∀ {J : Type u_1} [inst : CategoryTheory.Category.{u_2, u_1} J] (F : CategoryTheory.Functor J MonCat) (j : J),
  Quot.mk (⇑(MonCat.Colimits.colimitSetoid F)) (MonCat.Colimits.Prequotient.of j 1) =
    Quot.mk (⇑(MonCat.Colimits.colimitSetoid F)) MonCat.Colimits.Prequotient.one