Lewis, Peter J.
(2003)
Deutsch on quantum decision theory.
UNSPECIFIED.
(Unpublished)
Abstract
A major problem facing nocollapse interpretations of quantum mechanics in the tradition of Everett is how to understand the probabilistic axiom of quantum mechanics (the Born rule) in the context of a deterministic theory in which every outcome of a measurement occurs. Deutsch claims to derive a decisiontheoretic analogue of the Born rule from the nonprobabilistic part of quantum mechanics and some nonprobabilistic axioms of classical decision theory, and hence concludes that no probabilistic axiom is needed. I argue that Deutsch’s derivation begs the question.
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Deutsch on quantum decision theory. (deposited 20 Aug 2003)
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