`{Univalence} {A B B' : AbGroup} {E : AbSES B A} {F : AbSES B' A} (f : AbSESMorphism E F) (h : component1 f == grp_homo_id) : E = abses_pullback (component3 f) F := equiv_path_abses_iso (' f h).
Require Import Basics Types. Require Import HSet Limits.Pullback. Require Import WildCat Pointed.Core Homotopy.ExactSequence. Require Import Modalities.ReflectiveSubuniverse. Require Import AbGroups.AbelianGroup AbGroups.AbPullback AbGroups.Biproduct. Require Import AbSES.Core AbSES.DirectSum.