The humanity formulation of Kant's Categorical Imperative demands that we treat humanity as an end in itself. Because this principle resonates with currently influential ideals of human rights and dignity, contemporary readers often find it compelling, even if the rest of Kant's moral philosophy leaves them cold. Moreover, some prominent specialists in Kant's ethics have recently turned to the humanity formulation as the most theoretically central and promising principle of Kant'sethics. Nevertheless, it has received less attention than many other aspects of Kant's ethics. Richard Dean offers the most sustained and systematic examination of the humanity formulation to date. He presents an original analysis of what it means to treat humanity as an end in itself, and examinesthe implications both for Kant scholarship and for practical guidance on specific moral issues.

A systematic guide to Kant's ethical work and the debates surrounding it, accessible to students and specialists alike.

Immanuel Kant is often considered to be the source of the contemporary idea of human dignity, but his conception of human dignity and its relation to human value and to the requirement to respect others have not been widely understood. Kant on Human Dignity offers the first in-depth study in English of this subject. Based on a comprehensive analysis of all the passages in which Kant uses the term ‘dignity’, as well as an analysis of the most prominent arguments for a value of human beings in the Kant literature, the book carefully examines different ways of construing the relationship between dignity, value and respect for others. It takes seriously Kant’s Copernican Revolution in moral philosophy: Kant argues that moral imperatives cannot be based on any values without yielding heteronomy. Instead it is imperatives of reason that determine what is valuable. The requirement to respect all human beings is one such imperative. Respect for human beings does not follow from human dignity—for this would violate autonomy—but is an unconditional command of reason. Following this train of thought yields a unified account of Kant’s moral philosophy.

L. Nandi Theunissen develops a non-Kantian account of the value of human beings. Against the Kantian tradition, in which humanity is absolutely valuable and unlike the value of anything else, Theunissen outlines a relational proposal according to which our value is continuous with the value of other valuable things. She takes the Socratic starting point that good is affecting, and more particularly, that good is a notion of benefit. If people are bearers of value, the proposal is that our value is no exception. Theunissen explores the possibility that our value is explained through reciprocal relations, or relations of interdependence, as when—as daughters, or teachers, or friends—we benefit others by being part or constitutive of relationships with them. She also investigates the possibility that we can be said to stand in a valuable relationship with ourselves. Ultimately, in The Value of Humanity, she proposes that people are of value because we are constituted in such a way that we can be good for ourselves in the sense that we are able to lead flourishing lives. Intuitively, a person matters because she matters to herself in a very particular sort of way; to appropriate a phrase, she is a being for whom her life can be an issue.

It was not so long ago that the dominant picture of Kant’s practical philosophy was formalistic, focusing almost exclusively on his Groundwork of the Metaphysics of Morals and Critique of Practical Reason. However, the overall picture of Kant’s wide-ranging philosophy has since been broadened and deepened. We now have a much more complete understanding of the range of Kant’s practical interests and of his contributions to areas as diverse as anthropology, pedagogy, and legal theory. What remains somewhat obscure, however, is how these different contributions hang together in the way that Kant suggests that they must. This book explores these different conceptions of humanity, morality, and legality in Kant as main ‘manifestations’ or ‘dimensions’ of practical normativity. These interrelated terms play a crucial role in highlighting different rational obligations, their source(s), and their applicability in the face of changing circumstances.

In Kant's Human Being, Robert B. Louden continues and deepens avenues of research first initiated in his highly acclaimed book, Kant's Impure Ethics. Drawing on a wide variety of both published and unpublished works spanning all periods of Kant's extensive writing career, Louden here focuses on Kant's under-appreciated empirical work on human nature, with particular attention to the connections between this body of work and his much-discussed ethical theory. Kant repeatedly claimed that the question, "What is the human being" is philosophy's most fundamental question, one that encompasses all others. Louden analyzes and evaluates Kant's own answer to his question, showing how it differs from other accounts of human nature. This collection of twelve essays is divided into three parts. In Part One (Human Virtues), Louden explores the nature and role of virtue in Kant's ethical theory, showing how the conception of human nature behind Kant's virtue theory results in a virtue ethics that is decidedly different from more familiar Aristotelian virtue ethics programs. In Part Two (Ethics and Anthropology), he uncovers the dominant moral message in Kant's anthropological investigations, drawing new connections between Kant's work on human nature and his ethics. Finally, in Part Three (Extensions of Anthropology), Louden explores specific aspects of Kant's theory of human nature developed outside of his anthropology lectures, in his works on religion, geography, education ,and aesthetics, and shows how these writings substantially amplify his account of human beings. Kant's Human Being offers a detailed and multifaceted investigation of the question that Kant held to be the most important of all, and will be of interest not only to philosophers but also to all who are concerned with the study of human nature.

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