Philosophy of Science 74 (5):724–735 (2007)
It is claimed that unacceptable constraints on initial data are imposed by certain responses to paradoxes that threaten time travel, closed timelike curves (CTCs) and other backwards causation hypotheses. In this paper I argue against the following claims: to say “contradictions are impossible so something must prevent the paradox” commits in general to constraints on initial data, that for fixed point dynamics so-called grey state solutions explain why contradictions do not arise, and the latter have been proved to avoid constraints on initial data. †To contact the author, please write to: Philosophy, University of Queensland, Brisbane, Queensland 4072, Australia; e-mail: firstname.lastname@example.org.
|Keywords||440106 Logic C1 440107 Metaphysics 780101 Mathematical sciences|
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References found in this work BETA
Bangs, Crunches, Whimpers, and Shrieks: Singularities and Acausalities in Relativistic Spacetimes.John Earman - 1995 - Oxford University Press.
Bananas Enough for Time Travel?Nicholas J. J. Smith - 1997 - British Journal for the Philosophy of Science 48 (3):363-389.
Time Travel, Coincidences and Counterfactuals.Theodore Sider - 2002 - Philosophical Studies 110 (2):115 - 138.
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