EntityQ529752· pop 16· linked from 218 articlesinitial and terminal objectsSign in to saveobjects used in category theory branch of mathematicsConnectionsuniversal propertyEntitycategory of ringsEntitystrict 2-categoryEntitycategoryEntitygreatest and least elementsEntitylimitEntityadjoint functorEntityfree objectEntitycategory of modulesEntityhigher category theoryEntityconeEntitymathematicsEntityInternational Standard Book NumberEntitynatural numberEntityintegerEntityWayback MachineEntityempty setEntityfieldEntityisomorphismEntitycategory theoryEntityCategoriesLimits (category theory)Objects (category theory)