Journal Article

New Hope for Shogenji's Coherence Measure

Jonah N. Schupbach

in The British Journal for the Philosophy of Science

Published on behalf of British Society for the Philosophy of Science

Volume 62, issue 1, pages 125-142
Published in print March 2011 | ISSN: 0007-0882
Published online December 2010 | e-ISSN: 1464-3537 | DOI: http://dx.doi.org/10.1093/bjps/axq031
New Hope for Shogenji's Coherence Measure

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I show that the two most devastating objections to Shogenji's formal account of coherence necessarily involve information sets of cardinality . Given this, I surmise that the problem with Shogenji's measure has more to do with his means of generalizing the measure than with the measure itself. I defend this claim by offering an alternative generalization of Shogenji's measure. This alternative retains the intuitive merits of the original measure while avoiding both of the relevant problems that befall it. In the light of all of this, I suggest that there is new hope for Shogenji's analysis: Shogenji's early and influential attempt at measuring coherence, when generalized in a subset-sensitive way, is able to clear its most troubling objections. 1

Shogenji on Coherence

2

Challenges to Coh

2.1

The Depth Problem

2.2

The Problem of Irrelevant Addition

3

An Alternative Generalization of Coh

3.1

and the Depth Problem

3.2

and the Problem of Irrelevant Addition

4

The Way Ahead

Appendix

Journal Article.  4990 words.  Illustrated.

Subjects: Philosophy of Science ; Science and Mathematics

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