fact: Definition abses_pushout_abses `{Univalence} {B A G : AbGroup} (E : AbSES B A) : ab_hom A G ->* AbSES B G.
imports: Basics Types Truncations.Core WildCat Pointed.Core Homotopy.ExactSequence HIT.epi Modalities.ReflectiveSubuniverse AbelianGroup AbPushout AbHom AbGroups.Biproduct AbSES.Core AbSES.DirectSum