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On the Incommensurability of Theories

  • Jaakko Hintikka
Chapter
Part of the Jaakko Hintikka Selected Papers book series (HISP, volume 5)

Abstract

The commensurability of two theories can be defined (relative to a given set of questions) as the ratio of the total information of their shared answers to the total information of the answers yielded by the two theories combined. Answers should be understood here as model consequences (in the sense of the author’s earlier papers), not deductive consequences. This definition is relative to a given model of the joint language of the theories, but can be generalized to sets of models. It turns out to capture also the idea of incommensurability as conceptual alienation. Incommensurability so defined does not imply incomparability.

Keywords

Scientific Theory Conceptual Discrepancy Atomic Sentence Shared Consequence Interrogative Model 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

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Copyright information

© Springer Science+Business Media Dordrecht 1999

Authors and Affiliations

  • Jaakko Hintikka
    • 1
  1. 1.Boston UniversityUSA

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