David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Ezio Di Nucci
Jonathan Jenkins Ichikawa
Jack Alan Reynolds
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Foundations of Science 11 (3):287-296 (2006)
The experimental setup of the self-referential quantum measurement, jovially known as the ‘quantum suicide’ or the ‘quantum Russian roulette’ is analyzed from the point of view of the Principal Principle of David Lewis. It is shown that the apparent violation of this principle – relating objective probabilities and subjective chance – in this type of thought experiment is just an illusion due to the usage of some terms and concepts ill-defined in the quantum context. We conclude that even in the case that Everett’s (or some other ‘no-collapse’) theory is a correct description of reality, we can coherently believe in equating subjective credence with objective chance in quantum-mechanical experiments. This is in agreement with results of the research on personal identity in the quantum context by Parfit and Tappenden.
|Keywords||quantum mechanics multiverse principal principle personal identity|
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References found in this work BETA
Derek Parfit (1984). Reasons and Persons. Oxford University Press.
David Lewis (1986). Philosophical Papers Vol. II. Oxford University Press.
Huw Price (1996). Time's Arrow & Archimedes' Point: New Directions for the Physics of Time. Oxford University Press.
GianCarlo Ghirardi, Alberto Rimini & Tullio Weber (1986). Uniﬁed Dynamics for Microscopic and Macroscopic Systems. Physical Review D 34 (D):470–491.
Nick Bostrom (2001). The Doomsday Argument Adam & Eve, UN++, and Quantum Joe. Synthese 127 (3):359 - 387.
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