Nonidentity problem

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The nonidentity problem (also called the paradox of future individuals) [1] in population ethics is the problem that an act may still be wrong even if it is not wrong for anyone. More precisely, the nonidentity problem is the inability to simultaneously hold the following beliefs: (1) a person-affecting view; (2) bringing someone into existence whose life is worth living, albeit flawed, is not "bad for" that person; (3) some acts of bringing someone into existence are wrong even if they are not bad for someone. [2]

Rivka Weinberg has used the nonidentity problem to study the ethics of reproduction. [3]

See also

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A person-affecting or person-based view in population ethics captures the intuition that an act can only be bad if it is bad for someone. Similarly something can be good only if it is good for someone. Therefore, according to standard person-affecting views, there is no moral obligation to create people nor moral good in creating people because nonexistence means "there is never a person who could have benefited from being created". Whether one accepts person-affecting views greatly influences to what extent shaping the far future is important. Person-affecting views are also important in considering human population control.

The Asymmetry, also known as 'the Procreation Asymmetry', is the idea in population ethics that there is a moral or evaluative asymmetry between bringing into existence individuals with good or bad lives. It was first discussed by Jan Narveson in 1967, and Jeff McMahan coined the term 'the Asymmetry' in 1981. McMahan formulates the Asymmetry as follows: "while the fact that a person's life would be worse than no life at all ... constitutes a strong moral reason for not bringing him into existence, the fact that a person's life would be worth living provides no moral reason for bringing him into existence." Professor Nils Holtug formulates the Asymmetry evaluatively in terms of the value of outcomes instead of in terms of moral reasons. Holtug's formulation says that "while it detracts from the value of an outcome to add individuals whose lives are of overall negative value, it does not increase the value of an outcome to add individuals whose lives are of overall positive value."

Rivka Weinberg is an American philosopher. She is a Professor of Philosophy at Scripps College. She specializes in bioethics, the ethics of procreation, and the metaphysics of birth, death, and existence.

References

  1. Kavka, Gregory. "The Paradox of Future Individuals" (PDF).Cite journal requires |journal= (help)
  2. Roberts, M. A. "The Nonidentity Problem". The Stanford Encyclopedia of Philosophy. Retrieved 2015-12-17.
  3. Conly, Sarah (18 December 2018). "Review The risk of a lifetime: how, when, and why procreation may be permissible". Journal of Moral Philosophy. 15 (6): 787–790. doi:10.1163/17455243-01506007.