The Poverty of Conceptual Truth is based on a simple idea. Kant's distinction between analytic and synthetic judgments underwrites a powerful argument against the metaphysical program of his Leibnizian-Wolffian predecessors--an argument from fundamental limits on its expressive power. In that tradition, metaphysics promised to reveal the deep rational structure of the world through a systematic philosophy consisting of strictly conceptual truths, which flow from a logically perspicuous relation of 'containment' among concepts. That is, all truths would be 'analytic, ' in Kant's...