proposition: Lemma is_univalent_functor_category (C : precategory_data) (D : category) (H : is_univalent D) : is_univalent (functor_category C D).
proof: Proof. intros F G. apply isweq_idtoiso_functorcat. apply H. Defined.
imports: UniMath.Foundations.Propositions UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.Univalence UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.TransportMorphisms UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Univalence