 Note that it may be urged, with some plausibility, that every object x trivially depends for its identity upon itself. And, certainly,  (ID)  would appear to have this implication, because for any object x, there is a relation—namely, identity—such that it is part of the essence of x that x is the object identical with x. But we must be very careful to distinguish between the claim that an object depends for its identity upon itself and the claim that an object depends for its identity solely upon itself. For even if the former claim is trivially true of all entities, the latter claim is certainly not. However, this result may be contested when we bear in mind the distinction between constitutive and consequential essence, because one might very well hold that it is no part of the constitutive essence of an entity, at least typically, that it should be identical with itself (we will omit a more detailed discussion here, but see Fine 1994b).