
There are various arguments for the metaphysical impossibility of time travel. Is it impossible because objects could then be in two places at once? Or is it impossible because some objects could bring about their own existence? In this book, Nikk Effingham contends that no such argument is sound and that time travel is metaphysically possible. His main focus is on the Grandfather Paradox: the position that time travel is impossible because someone could not go back in time and kill their own grandfather before he met their grandmother. In such a case, Effingham argues that the time traveller would have the ability to do the impossible (so they could kill their grandfather) even though those impossibilities will never come about (so they won't kill their grandfather). He then explores the ramifications of this view, discussing issues in probability and decision theory. The book ends by laying out the dangers of time travel and why, even though no time machines currently exist, we should pay extra special care ensuring that nothing, no matter how small or microscopic, ever travels in time.
Is time travel metaphysically possible, or are the logical paradoxes associated with it insurmountable? Nikk Effingham, a philosopher specializing in metaphysics, examines the standard arguments against the possibility of time travel. He argues that common objections, such as the Grandfather Paradox, do not prove impossibility, but rather highlight specific constraints on probability and human agency within a temporal framework.
What You Will Find
Scope Limits
Experts in analytic philosophy recognize this work as a rigorous contribution to the metaphysics of time. Readers frequently note the academic density of the prose, which requires a foundational understanding of modal logic and philosophical argumentation.
Page Count:
272
Publication Date:
2020-01-01
Publisher:
OUP Oxford
ISBN-10:
019258006X
ISBN-13:
9780192580061
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