Graduate studies at Western
Philosophy of Science 74 (5):724–735 (2007)
|Abstract||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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