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Philosophical Implications of Inflationary Cosmology

Knobe, Joshua and Olum, Ken and Vilenkin, Alexander (2003) Philosophical Implications of Inflationary Cosmology. [Preprint]

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    Abstract

    Recent developments in cosmology indicate that every history having a nonzero probability is realized in infinitely many distinct regions of spacetime. Thus, it appears that the universe contains infinitely many civilizations exactly like our own, as well as infinitely many civilizations that differ from our own in any way permitted by physical laws. We explore the implications of this conclusion for ethical theory and for the doomsday argument. In the infinite universe, we find that the doomsday argument applies only to effects which change the average lifetime of all civilizations, and not those which affect our civilization alone.


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    Item Type: Preprint
    Keywords: Inflation, Cosmology, Philosophy of Physics, Doomsday, Ethics.
    Subjects: Specific Sciences > Physics > Cosmology
    General Issues > Ethical Issues
    Specific Sciences > Physics > Quantum Mechanics
    Depositing User: Joshua Knobe
    Date Deposited: 23 Apr 2003
    Last Modified: 07 Oct 2010 11:11
    Item ID: 1149
    URI: http://philsci-archive.pitt.edu/id/eprint/1149

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