Quantum probability from decision theory?

@article{Barnum2000QuantumPF,
  title={Quantum probability from decision theory?},
  author={H. Barnum and C. Caves and J. Finkelstein and C. A. Fuchs and R. Schack},
  journal={Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences},
  year={2000},
  volume={456},
  pages={1175 - 1182}
}
  • H. Barnum, C. Caves, +2 authors R. Schack
  • Published 2000
  • Mathematics, Physics
  • Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences
  • In a recent paper, Deutsch claims to derive the ‘probabilistic predictions of quantum theory’ from the ‘non–probabilistic axioms of quantum theory’ and the ‘nonprobabilistic part of classical decision theory.’ We show that his derivation includes a crucial hidden assumption that vitiates the force of his argument. Furthermore, we point out that in classical decision theory a standard set of non–probabilistic axioms is already sufficient to endow possible outcomes with a natural probability… CONTINUE READING
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