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| Favoring, Likelihoodism, and Bayesianism | |
| Συγγραφέας: Branden Fitelson Branden Fitelson: Favoring, Likelihoodism, and Bayesianism (pdf, 5 pages) This  (brief)  note  is  about  the  (evidential)  “favoring”  relation.  Pre-theoretically,  favoring  is  a three-place (epistemic) relation, between an evidential proposition E and two hypotheses H1 and H2. Favoring relations are expressed via locutions of the form:  E favors H1 over H2.   Strictly speaking, favoring should really be thought of as a four-place relation, between E, H1, H2,  and  a  corpus  of  background  evidence  K.  But,  for  present  purposes  (which  won't  address issues  involving  K),  I  will  suppress  the  background  corpus,  so  as  to  simplify  our  discussion. Moreover, the favoring relation is meant to be a propositional epistemic relation, as opposed to a doxastic epistemic relation. That is, the favoring relation is not meant to be restricted to bodies of evidence that are possessed (as evidence) by some actual agent(s), or to hypotheses that are (in fact) entertained by some actual agent(s). In this sense, favoring is analogous to the relation of propositional justification — as opposed to doxastic justification (Conee 1980). In order to facilitate a comparison of Likelihoodist vs Bayesian explications of favoring, I will presuppose the following bridge principle, linking favoring and evidential support:  •    E favors H1 over H2 iff E supports H1 more strongly than E supports H2.1  Finally,  I  will  only  be  discussing  instances  of  the  favoring  relation  involving  contingent, empirical claims. So, it is to be understood that “favoring” will not apply if any of E, H1, or H2 are non-contingent (and/or non-empirical). With this background in place, we're ready to begin. | |
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