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).
DOI: 10.13140/RG.2.2.31279.79521
Extract from:
Sfetcu, Nicolae, “Causal Loops in Time Travel“, SetThings (2019), MultiMedia Publishing (ed.), DOI: 10.13140/RG.2.2.17802.31680, ISBN 978-606-033-195-7, URL = https://www.telework.ro/en/e-books/causal-loops-in-time-travel/
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