Definition disp_functor_ff_disp_functor_id {C : category} (D : disp_cat C) : disp_functor_ff (disp_functor_identity D). Proof. intros x y xx yy f. apply idisweq. Defined.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Prelude. Require Import UniMath.CategoryTheory.DisplayedCats.Core. Require Import UniMath.CategoryTheory.DisplayedCats.Isos. Require Import UniMath.CategoryTheory.DisplayedCats.Functors.