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Sustaining a Rational Disagreement

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Book cover EPSA Philosophy of Science: Amsterdam 2009

Part of the book series: The European Philosophy of Science Association Proceedings ((EPSP,volume 1))

Abstract

Much recent discussion in social epistemology has focussed on the question of whether peers can rationally sustain a disagreement. A growing number of social epistemologists hold that the answer is negative. We point to considerations from the history of science that favor rather the opposite answer. However, we also explain how the other position can appear intuitively attractive.

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Notes

  1. 1.

    This characterization of the notion of epistemic peer can be found in nearly all recent contributions to the debate about the possibility of rational disagreements. See, e.g., Kelly [2005], Feldman [2006, 2007], Christensen [2007], Douven [2009, 2010], and Goldman [2010].

  2. 2.

    For present purposes, “doxastic attitude” denotes either outright belief, outright disbelief, or suspension of judgment. Some (e.g., Christensen [2007] and Elga [2007]) have preferred a treatment in terms of degrees of confidence. As will be seen, some of the arguments presented here carry over to the alternative treatment.

  3. 3.

    A point that was also forcefully argued for in Hanson [1958].

  4. 4.

    See Thagard [1998a, 1998b] for a detailed account of the development of thinking about peptic ulcer disease.

  5. 5.

    See on this also Lugg [1978:286f].

  6. 6.

    It is not clear that those considerations apply quite generally. We expect from scientists that they are able to critically reflect upon their own proposals. We do not have the same expectation of, say, religious people.

  7. 7.

    Notice that this is not the only way in which two agents can disagree. After all, it may also be that one agent suspends judgment while the other holds a belief (disbelief). For convenience’s sake, we will often restrict our focus to cases in which the parties to the disagreement hold contrary beliefs.

  8. 8.

    This view has been defended by Richard Feldman (see his [2005, 2006, 2007, 2009]). The corresponding view of those who have treated the issue in terms of degrees of confidence is the so-called equal weight view, which requires that one give equal weight to the opinion of a peer (Elga [2007:478]).

  9. 9.

    This, we take it, is the core point of Elga’s [2007, Sect. 10] bootstrapping argument.

  10. 10.

    Notice that we are not alone in favoring this alternative. Among its more prominent champions are Gideon Rosen [2001], Peter van Inwagen [1996], and Ralph Wedgwood [2007].

  11. 11.

    For the record, we think that scholarly disputes often approximate the ritualized way of communication closely enough.

  12. 12.

    Notice that the two databases differ from the communities of agents modelled in Douven [2010], which adopt different policies to deal with disagreements, to wit, “sticking to their guns” and “splitting the difference,” respectively. After all, even the tension-resolving database may come to the conclusion that the right thing to do is to split the difference.

  13. 13.

    This point is very much in line with the results presented in Douven [2010], which stress the importance of contingent facts to the rationality of disagreements.

  14. 14.

    We are indebted to Henk de Regt and Fred Muller for valuable discussions on the topic of this paper.

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Kelp, C., Douven, I. (2012). Sustaining a Rational Disagreement. In: de Regt, H., Hartmann, S., Okasha, S. (eds) EPSA Philosophy of Science: Amsterdam 2009. The European Philosophy of Science Association Proceedings, vol 1. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-2404-4_10

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