Abstract

BOOK REVIEWS 3O3 Robert Merrihew Adams. Leibniz: Determinist, Theist, Idealist. New York: Oxford Univer- sity Press, 1994. Pp. xi + 433. Cloth, $55.oo. Robert Adams has previously given us admirable accounts of Leibniz's theories of contingency and of the conceptual containment theory of truth, and has defended an interpretation of Leibniz's mature metaphysics as broadly idealist in nature? Material from his earlier articles anchors Part I and opens Part III of this impressive book. Part II is devoted to Leibniz's various versions of the ontological argument, and is wholly new. It is also fascinating, and easily justifies Adams's view of Leibniz as "the most interesting writer on the ontological argument for the existence of God between St. Anselm and the twentieth century" . Leibniz thought Descartes's ontological proof incomplete: it showed that God's existence is necessary if it is possible, but failed to show that..