EntityQ595364· pop 36· linked from 490 articleslatticeSign in to savepartially ordered set that admits greatest lower and least upper bounds of any two elementsConnectionsinfimum and supremumEntitysubsetEntitypartially ordered setEntitysemilatticeEntityjoin and meetEntitynatural numberEntityreal numberEntityunionEntityintersectionEntitybijectionEntitycategory theoryEntitymonotonic functionEntitysemigroupEntitypartition of a setEntityorder theoryEntitytotal orderEntityordered fieldEntitywell-founded relationEntitysemiringEntitygreatest and least elementsEntityCategoriesAlgebraic structuresLattice theory