Chapter

Replaceability, Population, and Marginal Cases

Gary E. Varner

in Personhood, Ethics, and Animal Cognition

Published in print August 2012 | ISBN: 9780199758784
Published online September 2012 | e-ISBN: 9780199949465 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199758784.003.0009
Replaceability, Population, and Marginal Cases

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This chapter surveys what Peter Singer has said about the “replaceability” of non-persons, emphasizing that there are problems with each of several different accounts he has offered and how these problems can be addressed in the context of a Harean, two level utilitarianism. It also takes up the questions of what the optimal populations of humans and animals would be, and the related problem of Parfit’s “repugnant conclusion.” The chapter ends with a more detailed consideration of the problem of marginal cases, which was initially treated at the end of chapter seven.

Keywords: Peter Singer; R.M. Hare; replaceability; persons/personhood; utilitarianism; population policy; problem of marginal cases

Chapter.  14061 words. 

Subjects: Philosophy

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