{A} {D : A -> Type} `{DHasEquivs A D} {a b c : A} {g : b $<~> c} {f : a $<~> b} {a' : D a} {b' : D b} {c' : D c} (g' : DCatEquiv g b' c') (f' : DCatEquiv f a' b') : DGpdHom (compose_cate_funinv g f) (dcate_fun g' $o' f') (dcate_fun (g' $oE' f')). Proof. apply dgpd_rev. apply dcate_buildequiv_fun. Defined.
Require Import Basics.Overture. Require Import Basics.Tactics. Require Import Basics.Equivalences. Require Import Types.Sigma. Require Import WildCat.Core. Require Import WildCat.Displayed. Require Import WildCat.Equiv.