Abstract
In this book, Matthew Duncombe argues that Plato, Aristotle, certain Stoics, and Sextus Empiricus each held a broadly "constitutive" view of relativity. According to constitutive accounts, a "relative" is constituted by the relation that it bears to its "correlative". Such treatments of relativity sharply contrast with more familiar nonconstitutive accounts, according to which standing in some relation suffices for being a relative. On such a view, versions of which many scholars have assumed to be at work in antiquity, Alcibiades counts as a relative because he is related to Socrates through the "is more beautiful than" relation. On...