This book develops a new reading of the Metaphysical Foundations and articulates an original perspective of Kant's critical philosophy as a whole.

Kant's Metaphysical Foundations of Natural Science is one of the most difficult but also most important of Kant's works. Published in 1786 between the first (1781) and second (1787) editions of the Critique of Pure Reason, the Metaphysical Foundations occupies a central place in the development of Kant's philosophy, but has so far attracted relatively little attention compared with other works of Kant's critical period. Michael Friedman's book develops a new and complete reading of this work and reconstructs Kant's main argument clearly and in great detail, explaining its relationship to both Newton's Principia and eighteenth-century scientific thinkers such as Euler and Lambert. By situating Kant's text relative to his pre-critical writings on metaphysics and natural philosophy and, in particular, to the changes Kant made in the second edition of the Critique, Friedman articulates a radically new perspective on the meaning and development of the critical philosophy as a whole.

Kenneth R. Westphal presents an original interpretation of Hume's and Kant's moral philosophies, the differences between which are prominent in current philosophical accounts. Westphal argues that focussing on these differences, however, occludes a decisive, shared achievement: a distinctive constructivist method to identify basic moral principles and to justify their strict objectivity, without invoking moral realism nor moral anti-realism or irrealism. Their constructivism is based on Hume's key insight that 'though the laws of justice are artificial, they are not arbitrary'. Arbitrariness in basic moral principles is avoided by starting with fundamental problems of social coördination which concern outward behaviour and physiological needs; basic principles of justice are artificial because solving those problems does not require appeal to moral realism (nor to moral anti-realism). Instead, moral cognitivism is preserved by identifying sufficient justifying reasons, which can be addressed to all parties, for the minimum sufficient legitimate principles and institutions required to provide and protect basic forms of social coördination (including verbal behaviour). Hume first develops this kind of constructivism for basic property rights and for government. Kant greatly refines Hume's construction of justice within his 'metaphysical principles of justice', whilst preserving the core model of Hume's innovative constructivism. Hume's and Kant's constructivism avoids the conventionalist and relativist tendencies latent if not explicit in contemporary forms of moral constructivism.

Kant sought throughout his life to provide a philosophy adequate to the sciences of his time--especially Euclidean geometry and Newtonian physics. In this new book, Michael Friedman argues that Kant's continuing efforts to find a metaphysics that could provide a foundation for the sciences is of the utmost importance in understanding the development of his philosophical thought from its earliest beginnings in the thesis of 1747, through the Critique of Pure Reason, to his last unpublished writings in the Opus postumum. Previous commentators on Kant have typically minimized these efforts because the sciences in question have since been outmoded. Friedman argues that, on the contrary, Kant's philosophy is shaped by extraordinarily deep insight into the foundations of the exact sciences as he found them, and that this represents one of the greatest strengths of his philosophy. Friedman examines Kant's engagement with geometry, arithmetic and algebra, the foundations of mechanics, and the law of gravitation in Part One. He then devotes Part Two to the Opus postumum, showing how Kant's need to come to terms with developments in the physics of heat and in chemistry formed a primary motive for his projected Transition from the Metaphysical Foundations of Natural Science to Physics. Kant and the Exact Sciences is a book of high scholarly achievement, argued with impressive power. It represents a great advance in our understanding of Kant's philosophy of science.

This volume, originally published in 2002, assembles the historical sequence of writings that Kant published between 1783 and 1796 to popularize, summarize, amplify and defend the doctrines of his masterpiece, the Critique of Pure Reason of 1781. The best known of them, the Prolegomena, is often recommended to beginning students, but the other texts are also vintage Kant and are important sources for a fully rounded picture of Kant's intellectual development. As with other volumes in the series there are copious linguistic notes and a glossary of key terms. The editorial introductions and explanatory notes shed light on the critical reception accorded Kant by the metaphysicians of his day and on Kant's own efforts to derail his opponents.

Why read Kant's Critique of Judgment? For most readers, the importance of the work lies in its contributions to aesthetics and, to a lesser extent, the philosophy of biology. Hannah Ginsborg, by contrast, sees the Critique of Judgment as a central contribution to the understanding of human cognition generally. The fourteen essays collected here advance a common interpretive project: that of bringing out the philosophical significance of the notion of judgment which figures in the third Critique and showing its importance both to Kant's own theoretical philosophy and to contemporary views of human thought and cognition. For us to possess the capacity of judgment, on the interpretation defended here, is for our natural perceptual and imaginative responses to involve a claim to their own normativity with respect to the objects which cause them. It is in virtue of this capacity that we are able not merely to respond discriminatively to objects, as animals do, but to bring objects under concepts. The Critique of Judgment, on this reading, rejects the traditional dichotomy between the natural and the normative: our natural psychological responses to the spatio-temporal objects which affect our senses are both causally determined by those objects, and normatively appropriate to them. The essays in this book aim collectively to develop and illuminate this understanding of judgment in its own right, and to use it to address specific interpretive issues in Kant's aesthetics, theory of knowledge, and philosophy of biology; they are also concerned to bring out the relevance of this conception of judgment to contemporary debates regarding concept-acquisition, the content of perception, and skepticism about rules and meaning.

Preface 1. Metaphysical foundations of phoronomy 2. Metaphysical foundations of dynamics 3. Metaphysical foundations of mechanics 4. Metaphysical foundations of phenomenology.