Abstract

much can be said about what the early twelfth-century debate on universals is not. For instance, it is not a discussion of which genera or species grasp the truth of things, or which genera or species a certain individual belongs to, or how one knows that this is so. Twelfth-century magistri thought that the genera and species for which nouns are found in ordinary language, such as 'animal' or 'man,' "cut the world at its joints." They considered it unproblematic both that Socrates belongs to the genus Animal and the species Man and that one knows that he does.1 Similarly, the debate is not about properties of all sorts, or about things of all sorts. It focuses, rather, on substantial properties to the detriment of...