Definition nat_trans_inv_from_pointwise_inv_ext {C : precategory_data}{D : precategory} (hs: has_homsets D) {F G : functor_data C D} (A : nat_trans F G) (H : is_nat_iso A) : nat_trans G F := tpair _ _ (is_nat_trans_inv_from_pointwise_inv_ext hs H).
Require Import UniMath.Foundations.Propositions. Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.MoreFoundations.Univalence. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.Core.TransportMorphisms. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Core.NaturalTransformations. Require Import UniMath.CategoryTheory.Core.Univalence.