Abstract

In this short but dense monograph, Roques sets out to fill a significant lacuna in the literature on William of Ockham's logic, epistemology, and metaphysics: his theory of real definitions. Remarkably, the subject has received little attention, given that nominal definitions, specifically in connection to complex connotative concepts in mental language and their role in Ockham's ontological reductionism, have been a central focus since the early 1980s. One reason for this oversight may be the historical association between real definitions and the realist view that essences are universal entities. Ockham, a resemblance nominalist, holds that all essences are individual entities; this does not, as Roques's present...