Objects can be either simple or complex. An object is simple if it has no proper parts, and complex otherwise. Like objects, universals too divide into simple and complex. A universal is simple if it has no other universal as a constituent, and complex otherwise. Complex universals accordingly come in two varieties: conjunctive — the constituents of which are simply its conjuncts — and structural. A structural universal U is one that is exemplified by a complex object O, and its constitu