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Reasoning across spacelike surfaces in the Frauchiger-Renner thought experiment

Epstein, Jeffrey M (2025) Reasoning across spacelike surfaces in the Frauchiger-Renner thought experiment. [Preprint]

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Abstract

The Frauchiger-Renner argument purports to show that the standard framework of quantum mechanics yields a contradiction when used to reason about systems containing agents who are themselves using quantum mechanics to perform deductions. This has been framed as an obstacle to taking quantum mechanics to be a complete theory. I formalize the argument in two closely related ways and elucidate the source of the paradox, clarifying the flaw in the original argument.


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Item Type: Preprint
Creators:
CreatorsEmailORCID
Epstein, Jeffrey Mjeffrey.m.epstein@gmail.com
Subjects: Specific Sciences > Computation/Information > Quantum
Specific Sciences > Physics > Quantum Mechanics
Depositing User: Dr. Jeffrey M Epstein
Date Deposited: 26 Aug 2025 13:12
Last Modified: 26 Aug 2025 13:12
Item ID: 26374
DOI or Unique Handle: https://doi.org/10.48550/arXiv.2503.00966
Subjects: Specific Sciences > Computation/Information > Quantum
Specific Sciences > Physics > Quantum Mechanics
Date: 2025
URI: https://philsci-archive.pitt.edu/id/eprint/26374

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