A Theory of Value and Obligation

Originally published in 1987 and re-issued in 2020 with a new Preface, this book presents and elaborates interrelated solutions to a number of problems in moral philosophy, from the location of intrinsic value and the nature of a worthwhile life, via the limits of obligation and the nature of justice, to the status of moral utterances.

Originally published in 1987 and re-issued in 2020 with a new Preface, this book presents and elaborates interrelated solutions to a number of problems in moral philosophy, from the location of intrinsic value and the nature of a worthwhile life, via the limits of obligation and the nature of justice, to the status of moral utterances. After developing a biocentric account of moral standing, the author locates worthwhile life in the development of the generic capacities of a creature, whether human or nonhuman, and presents an account of relative intrinsic value which later generates a theory of interspecific justice.

This value-theory also informs a consequentialist understanding of obligation, of moral rightness and of supererogation. The understanding thus supplied is shown to cope with the problems of integrity, of justice and of the ‘Repugnant Conclusion’ in population ethics. A cognitivist account of ethical conclusions such as those so far reached is then defended against non-cognitivist and relativist objections and a far-reaching naturalist theory is defended, integrating earlier conclusions with an account of the logic of the fundamental ethical concepts.

This wide-ranging volume which maps the whole area of morality is thoroughly argued with reference both to contemporary philosophical developments and to classical theories.

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