Authors
Neil Dewar
Cambridge University
Abstract
Suppose that one thinks that certain symmetries of a theory reveal “surplus structure”. What would a formalism without that surplus structure look like? The conventional answer is that it would be a reduced theory: a theory which traffics only in structures invariant under the relevant symmetry. In this paper, I argue that there is a neglected alternative: one can work with a sophisticated version of the theory, in which the symmetries act as isomorphisms.
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DOI 10.1093/bjps/axx021
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References found in this work BETA

The Metaphysics Within Physics.Tim Maudlin - 2007 - Oxford University Press.
Ramseyan Humility.David K. Lewis - 2009 - In David Braddon-Mitchell & Robert Nola (eds.), Conceptual Analysis and Philosophical Naturalism. MIT Press. pp. 203-222.

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Citations of this work BETA

Duality and Ontology.Baptiste Le Bihan & James Read - 2018 - Philosophy Compass 13 (12):e12555.
What Do Symmetries Tell Us About Structure?Thomas William Barrett - 2017 - Philosophy of Science (4):617-639.
On Symmetry and Duality.Sebastian De Haro & Jeremy Butterfield - forthcoming - Synthese 198 (4):2973-3013.

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