Grades of individuality. A pluralistic view of identity in quantum mechanics and in the sciences

Philosophical Studies 163 (3):591-610 (2013)
Abstract
This paper offers a critical assessment of the current state of the debate about the identity and individuality of material objects. Its main aim, in particular, is to show that, in a sense to be carefully specified, the opposition between the Leibnizian ‘reductionist’ tradition, based on discernibility, and the sort of ‘primitivism’ that denies that facts of identity and individuality must be analysable has become outdated. In particular, it is argued that—contrary to a widespread consensus—‘naturalised’ metaphysics supports both the acceptability of non-qualitatively grounded (both ‘contextual’ and intrinsic) identity and a pluralistic approach to individuality and individuation. A case study is offered that focuses on non-relativistic quantum mechanics, in the context of which primitivism about identity and individuality, rather than being regarded as unscientific, is on the contrary suggested to be preferable to the complicated forms of reductionism that have recently been proposed. More generally, by assuming a plausible form of anti-reductionism about scientific theories and domains, it is claimed that science can be regarded as compatible with, or even as suggesting, the existence of a series of equally plausible grades of individuality. The kind of individuality that prevails in a certain context and at a given level can be ascertained only on the basis of the specific scientific theory at hand
Keywords Individuality  Discernibility  Identity  Reductionism  Primitivism  Contextualism  Quantum mechanics
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DOI 10.1007/s11098-011-9833-z
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References found in this work BETA
Discerning Fermions.Simon Saunders & F. A. Muller - 2008 - British Journal for the Philosophy of Science 59 (3):499 - 548.
Are Quantum Particles Objects?Simon Saunders - 2006 - Analysis 66 (1):52–63.
Identity and Indiscernibility.K. Hawley - 2009 - Mind 118 (469):101-119.
Discerning Elementary Particles.F. A. Muller & M. P. Seevinck - 2009 - Philosophy of Science 76 (2):179-200.

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Citations of this work BETA
The Intelligibility of Metaphysical Structure.Peter Finocchiaro - forthcoming - Philosophical Studies:1-26.
The Many Faces of Biological Individuality.Thomas Pradeu - 2016 - Biology and Philosophy 31 (6):761-773.
Fundamentality and Ontological Minimality.Tuomas E. Tahko - forthcoming - In Ricki Bliss & Graham Priest (eds.), Reality and its Structure. Oxford University Press.
Entities Without Intrinsic Physical Identity.Vincent Lam - 2014 - Erkenntnis 79 (5):1157-1171.

View all 11 citations / Add more citations

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