Authors
Joshua Knobe
Yale University
Abstract
Recent developments in cosmology indicate that every history having a non-zero 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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DOI 10.1093/bjps/axi155
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References found in this work BETA

On the Plurality of Worlds.David Lewis - 1986 - Wiley-Blackwell.
On The Plurality of Worlds.Graeme Forbes - 1988 - Philosophical Quarterly 38 (151):222-240.
Attitudes de Dicto and de Se.David Lewis - 1979 - Philosophical Review 88 (4):513-543.
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Citations of this work BETA

Infinite Aggregation: Expanded Addition.Hayden Wilkinson - forthcoming - Philosophical Studies.
On Probability and Cosmology: Inference Beyond Data?Martin Sahlen - 2017 - In K. Chamcham, J. Silk, J. D. Barrow & S. Saunders (eds.), The Philosophy of Cosmology. Cambridge, UK:
Philosophy of Physics.Elise M. Crull - 2013 - Analysis 73 (4):771-784.
Some Trends in the Philosophy of Physics.Henrik Zinkernagel - 2011 - Theoria : An International Journal for Theory, History and Fundations of Science 26 (2):215-241.

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