The advocate of in rebus universals is unlikely to grant the existence of "being both white and round and either shiny or not made of silver", even in the case in which there is an object that is both white and round and either shiny or not made of silver (such as a non-shiny white plastic ball).
Someone who poses the question in a comprehensive way will not grant the existence of the Universal Designer as a starting point.
By introducing other 'levels' to humanity, based on biology, we are able to construct a kind of 'classification table' covering the entire duration of human beings' existences, and are able to grant these existences – according to the stage of development – specific legal statuses.
You've just made the mistake, again, of granting your existence to someone else's eyes.
A would-be relativist about morality needs to decide whether his view grants the existence of some absolute moral facts, or whether it is to be a pure relativism, free of any commitment to absolutes.
Since he then took for granted the existence of absolute moral standards and universal principles of ethics, he condemned censorship as a moral evil that entailed spying into people's minds and hearts and assigned to weak and malevolent mortals powers that presupposed an omniscient mind.
Quine granted the existence of sets, in part because they obey the extensionality axiom: sets are identical iff they have the same members.
For instance, if we answer 'There is something because the Universal Designer wanted there to be something', then our explanation takes for granted the existence of the Universal Designer.
As predicted by M. Weiser [2], this technology is gradually disappearing from our cognitive front, as we increasingly take for granted its existence.
Maurin provides an alternative response that grants the existence of compresence relation-tropes, but denies the regress on the grounds that relation-tropes, including compresence relations, necessitate the existence of that which they relate.
