Lemma functor_total_cat_univalent : is_univalent D → is_univalent functor_total_cat. Proof. intros HD. apply is_univalent_total_category. - apply is_univalent_total_category. + apply base_category_univalent, HD. + apply step1_disp_univalent. - apply functor_disp_cat_univalent. Defined.
Require Import UniMath.Foundations.PartD. Require Import UniMath.Foundations.UnivalenceAxiom. Require Import UniMath.MoreFoundations.Propositions. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.Core.Univalence. Require Import UniMath.CategoryTheory.Categories.HSET.Core. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.FunctorCategory. Require Import UniMath.CategoryTheory.Monads.Monads. Require Import UniMath.CategoryTheory.DisplayedCats.Core. Require Import UniMath.CategoryTheory.DisplayedCats.Total. Require Import UniMath.CategoryTheory.DisplayedCats.Isos. Require Import UniMath.CategoryTheory.DisplayedCats.Univalence. Require Import UniMath.CategoryTheory.DisplayedCats.Constructions.