Deutsch's quantum probability derivation

From: Robin Hanson (
Date: Fri Jul 27 2001 - 14:33:29 MDT

OK, I got interested in this enough to write up a formal note.
Comments welcome.

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Quantum Probability From Decision Theory and Exchangeability
            by Robin Hanson, July 27, 2001.

Deutsch's derivation of quantum probability from decision theory has been
criticized as relying on an implausible hidden assumption. I here offer as
a substitute an apparently more plausible exchangeability assumption.

Robin Hanson
Asst. Prof. Economics, George Mason University
MSN 1D3, Carow Hall, Fairfax VA 22030-4444
703-993-2326 FAX: 703-993-2323

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