EntityQ1417809· pop 15· linked from 276 articlesuniversal propertySign in to savecentral object of study in category theoryConnectionsalgebra over a fieldEntityinitial and terminal objectsEntitystrict 2-categoryEntitycategoryEntityproductEntitylimitEntitycategory of setsEntityadjoint functorEntitycategory of groupsEntitydiagramEntityVariety (universal algebra)Entitycategory of modulesEntityhigher category theoryEntitymathematicsEntityInternational Standard Book NumberEntitynatural numberEntityintegerEntityreal numberEntityrational numberEntitydigital object identifierEntityCategoriesCategory theoryMathematical terminology