fact: Definition abses_pushout_pmap_id `{Univalence} {A B : AbGroup} : abses_pushout_pmap (B:=B) (@grp_homo_id A) ==* @pmap_idmap (AbSES B A).
imports: Basics Types Truncations.Core WildCat Pointed.Core Homotopy.ExactSequence HIT.epi Modalities.ReflectiveSubuniverse AbelianGroup AbPushout AbHom AbGroups.Biproduct AbSES.Core AbSES.DirectSum