David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Ezio Di Nucci
Jack Alan Reynolds
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Pacific Philosophical Quarterly 90 (4):520-534 (2009)
If (backward) time travel is possible, presumably so is my shooting my younger self (YS); then apparently I can kill him – I can commit retrosuicide . But if I were to kill him I would not exist to shoot him, so how can I kill him? The standard solution to this paradox understands ability as compossibility with the relevant facts and points to an equivocation about which facts are relevant: my killing YS is compossible with his proximity but not with his survival, so I can kill him if facts like his survival are irrelevant but I cannot if they are relevant. I identify a lacuna in this solution, namely its reliance without argument on the hidden assumption that my killing YS is possible : if it is impossible, it is not compossible with anything. I argue that this lacuna is important, and I sketch a different solution to the paradox.
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References found in this work BETA
David K. Lewis (1986/2001). On the Plurality of Worlds. Blackwell Publishers.
Theodore Sider (2001). Four Dimensionalism: An Ontology of Persistence and Time. Oxford University Press.
David K. Lewis (1983). Philosophical Papers. Oxford University Press.
David Lewis (1986). Philosophical Papers Vol. II. Oxford University Press.
J. L. Austin (1979). Philosophical Papers. Oxford University Press.
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