The Cheshire Cat Problem And Other Spatial Obstacles To Backwards Time Travel
LePoidevin (Robin)
Source: Monist, July 2005, Vol. 88 Issue 3, p336-352, 17p
Paper - Abstract

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Philosopher’s Index Abstract

  1. The article focuses on the Cheshire cat problem and other spatial hindrances or obstacles to backwards time travel1.
  2. Apparent counterexamples to the "no coincident objects" principle involve sortal2 terms whose applications differ over times or worlds.
  3. The three-dimensionality, who talks instead of objects enduring through time, will insist that the time machine3 that has not yet been activated is numerically identical to the one that is traveling backwards in time.

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