Healey, Richard (2007) Perfect Symmetries. [Preprint]
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Abstract
While empirical symmetries relate situations, theoretical symmetries relate models of a theory we use to represent them. An empirical symmetry is perfect if and only if any two situations it relates share all intrinsic properties. Sometimes one can use a theory to explain an empirical symmetry by showing how it follows from a corresponding theoretical symmetry. The theory then reveals a perfect symmetry. I say what this involves and why it matters, beginning with a puzzle which is resolved by the subsequent analysis. I conclude by pointing to applications and implications of the ideas developed earlier in the paper.
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Item Type: | Preprint | ||||||
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Keywords: | theoretical symmetries, empirical symmetries, gauge symmetry, relativity principle, Faraday cube, electromagnetism | ||||||
Subjects: | Specific Sciences > Physics > Classical Physics General Issues > Models and Idealization Specific Sciences > Physics > Symmetries/Invariances |
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Depositing User: | Richard Andrew Healey | ||||||
Date Deposited: | 19 Dec 2007 | ||||||
Last Modified: | 07 Oct 2010 15:16 | ||||||
Item ID: | 3744 | ||||||
Subjects: | Specific Sciences > Physics > Classical Physics General Issues > Models and Idealization Specific Sciences > Physics > Symmetries/Invariances |
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Date: | December 2007 | ||||||
URI: | https://philsci-archive.pitt.edu/id/eprint/3744 |
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