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Grandfather paradox in time travel

Author

Listed:
  • Nicolae Sfetcu

    (Romanian Academy - Romanian Committee for the History and Philosophy of Science and Technology (CRIFST), History of Science Division (DIS))

Abstract

The most well-known example of the impossibility of traveling in time is the grandfather paradox or self-infanticide argument: a person who travels in the past and kills his own grandfather, thus preventing the existence of one of his parents and thus his own existence. A philosophical response to this paradox would be the impossibility of changing the past, like Novikov self-consistency principle (if an event exists that would cause a paradox or any "change" to the past whatsoever, then the probability of that event is zero, thus it would be impossible to create time paradoxes).

Suggested Citation

  • Nicolae Sfetcu, 2019. "Grandfather paradox in time travel," Working Papers enparadox, MultiMedia Publishing.
    • Handle: RePEc:bbp:wpaper:enparadox
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