Did Darwin write the Origin backwards?

@article{Sober2009DidDW,
  title={Did Darwin write the Origin backwards?},
  author={Elliott Sober},
  journal={Proceedings of the National Academy of Sciences},
  year={2009},
  volume={106},
  pages={10048 - 10055}
}
  • E. Sober
  • Published 16 June 2009
  • Biology, Medicine
  • Proceedings of the National Academy of Sciences
After clarifying how Darwin understood natural selection and common ancestry, I consider how the two concepts are related in his theory. I argue that common ancestry has evidential priority. Arguments about natural selection often make use of the assumption of common ancestry, whereas arguments for common ancestry do not require the assumption that natural selection has been at work. In fact, Darwin held that the key evidence for common ancestry comes from characters whose evolution is not… Expand

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