Sophistry about symmetries?

A common adage runs that, given a theory manifesting symmetries, the syntax of that theory should be modified in order to construct a new theory, from which symmetry-variant structure of the original theory has been excised. Call this strategy for explicating the underlying ontology of symmetry-rela...

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Main Authors: Martens, N, Read, J
Format: Journal article
Language:English
Published: Springer 2021
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author Martens, N
Read, J
author_facet Martens, N
Read, J
author_sort Martens, N
collection OXFORD
description A common adage runs that, given a theory manifesting symmetries, the syntax of that theory should be modified in order to construct a new theory, from which symmetry-variant structure of the original theory has been excised. Call this strategy for explicating the underlying ontology of symmetry-related models reduction. Recently, Dewar has proposed an alternative to reduction as a means of articulating the ontology of symmetry-related models—what he calls (external) sophistication, in which the semantics of the original theory is modified, and symmetry-related models of that theory are treated as if they are isomorphic. In this paper, we undertake a critical evaluation of sophistication about symmetries—we find the programme underdeveloped in a number of regards. In addition, we clarify the interplay between sophistication about symmetries, and a separate debate to which Dewar has contributed—viz., that between interpretational versus motivational approaches to symmetry transformations.
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spelling oxford-uuid:7c38c4dd-b71c-426c-b68f-c5d860b98fcc2022-03-26T20:55:41ZSophistry about symmetries?Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:7c38c4dd-b71c-426c-b68f-c5d860b98fccEnglishSymplectic ElementsSpringer2021Martens, NRead, JA common adage runs that, given a theory manifesting symmetries, the syntax of that theory should be modified in order to construct a new theory, from which symmetry-variant structure of the original theory has been excised. Call this strategy for explicating the underlying ontology of symmetry-related models reduction. Recently, Dewar has proposed an alternative to reduction as a means of articulating the ontology of symmetry-related models—what he calls (external) sophistication, in which the semantics of the original theory is modified, and symmetry-related models of that theory are treated as if they are isomorphic. In this paper, we undertake a critical evaluation of sophistication about symmetries—we find the programme underdeveloped in a number of regards. In addition, we clarify the interplay between sophistication about symmetries, and a separate debate to which Dewar has contributed—viz., that between interpretational versus motivational approaches to symmetry transformations.
spellingShingle Martens, N
Read, J
Sophistry about symmetries?
title Sophistry about symmetries?
title_full Sophistry about symmetries?
title_fullStr Sophistry about symmetries?
title_full_unstemmed Sophistry about symmetries?
title_short Sophistry about symmetries?
title_sort sophistry about symmetries
work_keys_str_mv AT martensn sophistryaboutsymmetries
AT readj sophistryaboutsymmetries