fact: Definition abses_pushout_phomotopic `{Univalence} {A A' B : AbGroup} (f f' : A $-> A') (h : f == f') : abses_pushout_pmap (B:=B) f ==* abses_pushout_pmap f' := equiv_ptransformation_phomotopy (abses_pushout_phomotopic' f f' h).
imports: Basics Types Truncations.Core WildCat Pointed.Core Homotopy.ExactSequence HIT.epi Modalities.ReflectiveSubuniverse AbelianGroup AbPushout AbHom AbGroups.Biproduct AbSES.Core AbSES.DirectSum