{G H K : ooGroup} (psi : ooGroupHom H K) (phi : ooGroupHom G H) : grouphom_compose psi phi == psi o phi. Proof. intros g; grouphom_reduce. exact (ap_compose phi psi g). Qed.
Require Import Basics Types. Require Import Pointed. Require Import Truncations.Core Truncations.Connectedness. Require Import Homotopy.ClassifyingSpace. Require Import Algebra.Groups. Require Import WildCat.