"With all of the exchanges that take place in volume 3 and Singer's collection, readers are likely to come away with the favorable impression that philosophy is a highly collaborative enterprise. ... all of the thirty-six authors cited in the bibliography are full professors, the majority of the still living of whom are towering figures in the profession with associations to only a small number of prestigious departments ... while our discipline lost a philosophical giant when Parfit passed away shortly before the publications of volume 3 and Singer's collection, moral philosophy has a bright future ahead of it."--Nicholas Laskowski, Ethics
Derek Parfit presents the third volume of On What Matters, his landmark work of moral philosophy. Parfit develops further his influential treatment of reasons, normativity, the meaning of moral discourse, and the status of morality. He engages with his critics, and shows the way to resolution of their differences.
This volume is partly about what it is for things to matter, in the sense that we all have reasons to care about these things. Much of the book discusses three of the main kinds of meta-ethical theory: Normative Naturalism, Quasi-Realist Expressivism, and Non-Metaphysical Non-Naturalism, which Derek Parfit now calls Non-Realist Cognitivism. This third theory claims that, if we use the word 'reality' in an ontologically weighty sense, irreducibly normative truths have no mysterious or incredible ontological implications. If instead we use 'reality' in a wide sense, according to which all truths are truths about reality, this theory claims that some non-empirically discoverabl
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