EntityQ2905069· pop 10· linked from 115 articleszero morphismSign in to savebi-universal property in category theoryConnectionsinitial and terminal objectsEntitystrict 2-categoryEntitycategoryEntitymorphismEntitylimitEntityuniversal propertyEntityhigher category theoryEntitymathematicsEntityInternational Standard Book NumberEntityempty setEntityisomorphismEntityabelian groupEntitycategory theoryEntityidentity elementEntityhomomorphismEntitymoduleEntitymagmaEntitycommutative diagramEntityfunctorEntitytrivial groupEntityCategories0 (number)Morphisms