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| Content Provider | Springer Nature Link |
|---|---|
| Author | Hanley, Richard |
| Copyright Year | 2004 |
| Abstract | There have been many objections to the possibility oftime travel. But all the truly interesting ones concern the possibility of reversecausation. What is objectionable about reverse causation? I diagnose that the trulyinteresting objections are to a further possibility: that of causal loops. I raisedoubts about whether there must be causal loops if reverse causation obtains; but devote themajority of the paper to describing, and dispelling concerns about, various kinds ofcausal loop. In short, I argue that they are neither logically nor physically impossible.The only possibly objectionable feature that all causal loops share is that coincidenceis required to explain them. Just how coincidental a loop will be varies: some arereally quite ordinary, and some are incredibly unlikely. I end by speculating thatthe tendency amongst physicists to avoid discussion of causal loops involving intentionalaction may have been unfortunate, since intentional action is an excellent way tonon-mysteriously bring about what otherwise would have been an unlikely coincidence. Hencecausal loops may be more likely in a world with beings like us, than in one without. |
| Starting Page | 123 |
| Ending Page | 152 |
| Page Count | 30 |
| File Format | |
| ISSN | 00397857 |
| Journal | Synthese |
| Volume Number | 141 |
| Issue Number | 1 |
| e-ISSN | 15730964 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2004-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Philosophy Epistemology Logic Metaphysics Philosophy of Language |
| Content Type | Text |
| Resource Type | Article |
| Subject | Philosophy Social Sciences |
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