fact: Definition abses_pushout_compose' `{Univalence} {A0 A1 A2 B : AbGroup} (f : A0 $-> A1) (g : A1 $-> A2) : abses_pushout (g $o f) $=> abses_pushout (B:=B) g o abses_pushout f.
imports: Basics Types Truncations.Core WildCat Pointed.Core Homotopy.ExactSequence HIT.epi Modalities.ReflectiveSubuniverse AbelianGroup AbPushout AbHom AbGroups.Biproduct AbSES.Core AbSES.DirectSum