Simon Friederich
University of Groningen
The paper investigates the epistemic conception of quantum states---the view that quantum states are not descriptions of quantum systems but rather reflect the assigning agents' epistemic relations to the systems. This idea, which can be found already in the works of Copenhagen adherents Heisenberg and Peierls, has received increasing attention in recent years because it promises an understanding of quantum theory in which neither the measurement problem nor a conflict between quantum non-locality and relativity theory arises. Here it is argued that the main challenge for proponents of this idea is to make sense of the notion of a state assignment being performed correctly without thereby acknowledging the notion of a true state of a quantum system---a state it is in. An account based on the epistemic conception of states is proposed that fulfills this requirement by interpreting the rules governing state assignment as constitutive rules in the sense of John Searle.
Keywords quantum states  epistemic account  constitutive rules  philosophy as therapy  Quantum Bayesianism
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DOI 10.1016/j.shpsb.2011.01.002
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References found in this work BETA

Copenhagen Interpretation of Quantum Mechanics.Jan Faye - 2008 - Stanford Encyclopedia of Philosophy.

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Citations of this work BETA

Gauge Symmetry Breaking in Gauge Theories—in Search of Clarification.Simon Friederich - 2013 - European Journal for Philosophy of Science 3 (2):157-182.
Re-Thinking Local Causality.Simon Friederich - 2015 - Synthese 192 (1):221-240.
In Defence of Non-Ontic Accounts of Quantum States.Simon Friederich - 2013 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 44 (2):77-92.
Philosophy of Science in Germany, 1992–2012: Survey-Based Overview and Quantitative Analysis.Matthias Unterhuber, Alexander Gebharter & Gerhard Schurz - 2014 - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie 45 (1):71-160.
Interpreting Heisenberg Interpreting Quantum States.Simon Friederich - 2012 - Philosophia Naturalis 50 (1):85-114.

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