Philosophy of Science 76 (2):179-200 (2009)

Authors
F. A. Muller
Erasmus University Rotterdam
Abstract
We maximally extend the quantum‐mechanical results of Muller and Saunders ( 2008 ) establishing the ‘weak discernibility’ of an arbitrary number of similar fermions in finite‐dimensional Hilbert spaces. This confutes the currently dominant view that ( A ) the quantum‐mechanical description of similar particles conflicts with Leibniz’s Principle of the Identity of Indiscernibles (PII); and that ( B ) the only way to save PII is by adopting some heavy metaphysical notion such as Scotusian haecceitas or Adamsian primitive thisness. We take sides with Muller and Saunders ( 2008 ) against this currently dominant view, which has been expounded and defended by many. *Received July 2008; revised May 2009. †To contact the authors, please write to: F. A. Muller, Faculty of Philosophy, Erasmus University Rotterdam, Burg. Oudlaan 50, H5–16, 3062 PA Rotterdam, The Netherlands; e‐mail: f.a.muller@fwb.eur.nl , and Institute for the History and Foundations of Science, Utrecht University, Budapestlaan 6, IGG–3.08, 3584 CD Utrecht, The Netherlands; e‐mail: f.a.muller@uu.nl . M. P. Seevinck, Institute for the History and Foundations of Science, Utrecht University, Budapestlaan 6, IGG–3.08, 3584 CD Utrecht, The Netherlands; e‐mail: m.p.seevinck@uu.nl.
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DOI 10.1086/647486
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References found in this work BETA

Every Thing Must Go: Metaphysics Naturalized.James Ladyman & Don Ross - 2007 - In James Ladyman, Don Ross, David Spurrett & John Collier (eds.), Every Thing Must Go: Metaphysics Naturalized. Oxford University Press.
Are Quantum Particles Objects?Simon Saunders - 2006 - Analysis 66 (1):52-63.
Discerning Fermions.Simon Saunders & F. A. Muller - 2008 - British Journal for the Philosophy of Science 59 (3):499 - 548.

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Citations of this work BETA

Do Identity and Distinctness Facts Threaten the PSR?Erica Shumener - forthcoming - Philosophical Studies:1-19.
The Case Against Factorism: On the Labels of $$Otimes$$ ⊗ -Factor Hilbert-Spaces of Similar Particles in Quantum Mechanics.F. A. Muller & Gijs Leegwater - forthcoming - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie:1-16.
Bundle Theory with Kinds.Markku Keinänen & Tuomas E. Tahko - 2019 - Philosophical Quarterly 69 (277):838-857.

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