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Reconsidering Structural Realism

Published online by Cambridge University Press:  01 January 2020

Dan McArthur
Dan McArthur*
Affiliation:
Queen's University, Kingston, ON, CanadaK1R 5M8
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Extract

In the lengthy debate over the question of scientific realism one of the least discussed positions is structural realism. However, this position ought to attract critical attention because it purports to preserve the central insights of the best arguments for both realism and anti-realism. John Worrall has in fact described it as being ‘the best of both worlds’ that recognizes the discontinuous nature of scientific change as well as the ‘no-miracles’ argument for scientific realism. However, the validity of this claim has been called into question by Stathis Psillos. He questions its ability to correctly account for the examples of scientific change that its supporters, like Worrall (following Poincaré), claim ought to be understood in a structural realist light.

In this paper I examine these arguments for and against structural realism and demonstrate that neither Worrall nor Psillos is fully correct. I agree with Psillos’ claim that realism with regards to a theory ought not to be ‘all or nothing,’ that one should not always take the whole of a theory to be true or else commit only to the belief in its directly empirical content.

Type
Research Article
Information
Canadian Journal of Philosophy , Volume 33 , Issue 4 , December 2003 , pp. 517 - 536
Copyright
Copyright © The Authors 2003

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References

1 Worrall, J. ‘Structural Realism: The Best of Both Worlds,’ Dialectica 43 (1989) 99-124, At 99CrossRefGoogle Scholar

2 Psillos, S. ‘Is Structural Realism the Best of Both Worlds?’ Dialectica 49 (1995) 15-46, At 44Google Scholar

3 Cf. Laudan, L. ‘The Confutation of Convergent Realism,’ in Leplin, J. ed., Scientific Realism (Berkeley: University of California Press 1984).Google Scholar

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9 Cf. Psillos, ‘Is Structural Realism the Best?’ 27.Google Scholar

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11 Worrall, J. ‘Scientific Revolutions and Scientific Rationality: The Case of “Elderly Holdout,”’ in Savage, C.W. ed., Scientific Theories, Minnesota Studies in the Philosophy of Science 14 (1990), 343Google Scholar

12 Psillos, S. ‘Is Structural Realism the Best?’ 29Google Scholar

13 Psillos, S. ‘Is Structural Realism the Best?’ 31Google Scholar

14 Cf. Psillos, S. ‘Is Structural Realism the Best?’ 34-5Google Scholar.

15 Psillos, S. ‘Is Structural Realism the Best?’ 44Google Scholar

16 Cf. Sismondo, S. ‘Deflationary Metaphysics and the Construction of Laboratory Mice,’ Metaphilosophy 28 (1997) 221-32CrossRefGoogle Scholar, and McArthur, D. ‘The Methodological Implications of Resolving the Realism Debate,’ Science Studies 15 (2002) 59-78Google Scholar for characteristic presentations of the view.

17 Ladyman, J. ‘What is Structural Realism?’ Studies in History and Philosophy of Science 29 (1998) 409-24CrossRefGoogle Scholar

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19 Psillos, S. ‘Is Structural Realism Possible?’ Philosophy of Science Association 68 (2001) S13-S24, at S22Google Scholar

20 ‘Is Structural Realism Possible?’

21 Cf. ‘Is Structural Realism Possible?’ S23.

22 ‘Is Structural Realism Possible?’ S22-3

23 ‘Is Structural Realism the Best?’ 20, my emphasis

24 I would like to thank Idil Boran, the participants of the 2003 CSHPS conference in Halifax, and two anonymous referees for helpful comments on earlier drafts of this paper.