An unwelcome consequence of the Multiverse Thesis.

The Multiverse Thesis is a proposed solution to the Grandfather Paradox. It is popular and well promulgated, found in fiction, philosophy and (most importantly) physics. I first offer a short explanation on behalf of its advocates as to why it qualifies as a theory of time travel (as opposed to mere...

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Publicado en:Synthese Vol. 184; no. 3; pp. 375 - 387
Autor principal: Effingham, N.
Formato: Artículo
Publicado: Springer Nature Feb2012
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Acceso en línea:Ver este registro en EBSCOhost
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        affil: Department of Philosophy, University of Birmingham, Birmingham UK
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        Academic dissertations
        Fiction
        Philosophy
        Physics
        Time travel
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          Academic dissertations
          Fiction
          Philosophy
          Physics
          Time travel
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        Deutsch
        Gunky spacetime
        Lockwood
        Many worlds
        Multiverse
        Receptacles
      ab: The Multiverse Thesis is a proposed solution to the Grandfather Paradox. It is popular and well promulgated, found in fiction, philosophy and (most importantly) physics. I first offer a short explanation on behalf of its advocates as to why it qualifies as a theory of time travel (as opposed to mere 'universe hopping'). Then I argue that the thesis nevertheless has an unwelcome consequence: that extended objects cannot travel in time. Whilst this does not demonstrate that the Multiverse Thesis is false, the consequence should give pause for concern. Even if it does not lead one to reject the thesis, I briefly detail some reasons to think it is interesting nonetheless.
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