In the book If Tropes, the author attempts to approach and then deal with some of the most basic problems for a theory of tropes. The investigation proceeds from three basic assumptions: (i) tropes (i.e. particular properties) exist, (ii) only tropes exist (that is, tropes are the only basic or fundamental kind of entities), and (iii) the main-function for tropes is to serve as truth-makers for atomic propositions.

Provided that one accepts these assumptions the author finds that the trope-theorist will have to deal with two important matters. Some atomic...