EntityQ1513048· pop 17· linked from 180 articlesupward directed setSign in to savepreordered set whose every finite subset has an upper boundConnectionspartially ordered setEntityseriesEntitynetEntitysequenceEntitytopological spaceEntitytotal orderEntityordered fieldEntityupper and lower boundsEntitywell-founded relationEntitypreorderEntitygreatest and least elementsEntityordered groupEntitytheoryEntitysemilatticeEntitycomplete partial orderEntityweak orderingEntityordered vector spaceEntitymathematicsEntityInternational Standard Book NumberEntitynatural numberEntityCategoriesBinary relationsGeneral topologyOrder theory