fact: Definition abses_pullback_morphism_corec {A B X Y : AbGroup@{u}} {E : AbSES B A} {F : AbSES Y X} (f : AbSESMorphism E F) : AbSESMorphism E (abses_pullback (component3 f) F).
imports: Basics Types HSet Limits.Pullback WildCat Pointed.Core Homotopy.ExactSequence Modalities.ReflectiveSubuniverse AbGroups.AbelianGroup AbGroups.AbPullback AbGroups.Biproduct AbSES.Core AbSES.DirectSum