Abstract
BOOK REVIEWS 473 Chapter 4 concerns Peirce's "pragmatic metaphysics" and is the culmination of the development of Rosenthal's pluralism thesis. Together with the observation that the categories are categories of process, and through a close examination of the category of Firstness, she emphasizes the importance of sense-qualities that are inseparable from negative and positive possibilities Cmay-bes" and "would-bes") and their relevance to the controversies over whether Peirce is a realist, an idealist, or a phenomenalist. She says that Peirce did not see that the language he had available from the tradition was not adequate; thus, he proposed that objective idealism is the best answer to the question of whether the universe is mind or matter, even though he in fact repudiated objective idealism. In considering Peirce's cosmology, Rosenthal draws on Peirce's discussions of the law of mind, considering the ineradicable place of spontaneity in the emergence of new intelligibility or the evolution of laws. She concludes with a reiteration of the point that although knowledge involves convergence, convergences are always within a common world that inquirers partially but continually remake. Rosenthal's book is far too rich to do it justice in this short space. It challenges the reader to see why Peirce's thought is particularly relevant to contemporary debates, not only over how to interpret Peirce but, more importantly, about how his philosophy may help..