{C : Type u} →
  [inst : CategoryTheory.Category.{v, u} C] →
    (n : ℕ) →
      [inst_1 :
          ∀ (F : CategoryTheory.Functor (SimplexCategory.Truncated n)ᵒᵖ C),
            (SimplexCategory.Truncated.inclusion n).op.HasLeftKanExtension F] →
        [∀ (F : CategoryTheory.Functor (SimplexCategory.Truncated n)ᵒᵖ C),
              (SimplexCategory.Truncated.inclusion n).op.HasPointwiseLeftKanExtension F] →
          (CategoryTheory.SimplicialObject.Truncated.sk n).FullyFaithful