Systematizing the Theoretical Virtues
Systematizing the theoretical virtues Michael N. Keas Synthese An International Journal for Epistemology, Methodology and Philosophy of Science ISSN 0039-7857 Synthese DOI 10.1007/s11229-017-1355-6 1 23 Your article is published under the Creative Commons Attribution license which allows users to read, copy, distribute and make derivative works, as long as the author of the original work is cited. You may self- archive this article on your own website, an institutional repository or funder’s repository and make it publicly available immediately. 1 23 Synthese DOI 10.1007/s11229-017-1355-6 Systematizing the theoretical virtues Michael N. Keas1 Received: 14 April 2016 / Accepted: 22 February 2017 © The Author(s) 2017. This article is published with open access at Springerlink.com Abstract There are at least twelve major virtues of good theories: evidential accuracy, causal adequacy, explanatory depth, internal consistency, internal coherence, universal coherence, beauty, simplicity, unification, durability, fruitfulness, and applicability. These virtues are best classified into four classes: evidential, coherential, aesthetic, and diachronic. Each virtue class contains at least three virtues that sequentially fol- low a repeating pattern of progressive disclosure and expansion. Systematizing the theoretical virtues in this manner clarifies each virtue and suggests how they might have a coordinated and cumulative role in theory formation and evaluation across the disciplines—with allowance for discipline specific modification. An informal and flexible logic of theory choice is in the making here. Evidential accuracy (empirical fit), according to my systematization, is not a largely isolated trait of good theories, as some (realists and antirealists) have made it out to be.
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