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PHILOSOPHY PROFILE

Derek Parfit

1984

START WITH THE PUZZLE

If a better policy would have meant that this person never existed, can the present policy be said to make that person worse off?

Evidence-backed moments
2
Timeline events
1
Verified places
1

This is a guided intellectual story assembled from verified claims, works, and events in which this thinker actually appears. It avoids filling gaps with a generic encyclopedia biography.

Why this thinker is worth following

Story 1What do we owe future people and the more-than-human world?

Parfit — Can we harm future people whose existence depends on our choice?

The question that opens it

If a better policy would have meant that this person never existed, can the present policy be said to make that person worse off?

Follow the argument, not just the name
  1. 1

    The nonidentity problem arises when different long-term policies cause different people to exist, frustrating a purely person-affecting account of harm as making someone worse off than otherwise.

    Check the evidence

    This is an evidence-linked editorial account, not a direct quotation.

    • The Nonidentity Problem

      Stanford Encyclopedia of Philosophy

      Locator: §1 The Problem; policy and future-person cases

      Open source
  2. 2

    There is no consensus on criticizing choices that create people with worthwhile but worse lives; proposals appeal to rights, thresholds, non-comparative harm, or impersonal principles.

    Check the evidence

    This is an evidence-linked editorial account, not a direct quotation.

    • The Nonidentity Problem

      Stanford Encyclopedia of Philosophy

      Locator: §2–§4, proposed solutions and remaining problems

      Open source
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Decisive moments in time

  1. 1984

    Published in Oxford, Reasons and Persons makes future identity and population ethics central philosophical problems.

    Oxford · Publication

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