Epistemic duties would be duties to believe, disbelieve, or withhold judgement from propositions, and they would be grounded in purely evidential considerations. I o ff er a new argument for the claim that there are no epistemic duties. Though people may have duties to believe, disbelieve, or withhold judgement from propositions, those duties are never grounded in purely epistemic considerations. Rather, allegedly epistemic duties are a species of moral duty. RÉSUMÉ : Les fonctions épistémiques sont censées désigner le fait de croire ou de ne pas croire des propositions, ou de suspendre notre jugement, et seraient fondées uniquement sur la prise en compte de l'évidence. Je présente un nouvel argument soutenant que les fonctions épistémiques n'existent pas. Bien que nous devions recourir aux fonctions de croire ou de ne pas croire des propositions, ou de suspendre notre jugement, ces fonctions ne sont jamais fondées sur d'uniques considérations épistémiques. Ce que l'on reconnaît comme des fonctions épistémiques appartient plutôt à l'espèce des fonctions morales.
The following four assumptions plausibly describe the ideal rational agent. (1) She knows what her beliefs are. (2) She desires to believe only truths. (3) Whenever she desires that P ? Q and knows that P, she desires that Q. (4) She does not both desire that P and desire that *P, for any P. Although the assumptions are plausible, they have an implausible consequence. They imply that the ideal rational agent does not believe and desire contradictory propositions. She neither desires the world to be any different than she thinks it is, nor thinks it is any different than she desires it to be. The problem of preserving our intuitions about desire, without embracing the implausible conclusion, is what I call ''the Wishful Thinking Puzzle.'' In this paper, I examine how this puzzle arises, and I argue that it is surprisingly difficult to solve. Even the decision theoretic conception of desire is not immune to the puzzle. One approach, the contrastive conception of desire, does avoid the puzzle without being ad hoc, but it remains too inchoate to win our full confidence.
Philip Kitcher has argued for a causal correspondence view of truth, as against a deflationary view, on the grounds that the former is better poised than the latter to explain systematically successful patterns of action. Though Kitcher is right to focus on systematically successful action, rather than singular practical successes, he is wrong to conclude that causal correspondence theories are capable of explaining systematic success. Rather, I argue, truth bears no explanatory relation to systematic practical success. Consequently, the causal correspondence view is not in a better position to explain success than the deflationary view; theories of truth are the wrong place to look for explanations of systematic practical success.
Laurence BonJour has recently proposed a novel and interesting approach to the problem of induction. He grants that it is contingent, and so not a priori , that our patterns of inductive inference are reliable. Nevertheless, he claims, it is necessary and a priori that those patterns are highly likely to be reliable, and that is enough to ground an a priori justification induction. This paper examines an important defect in BonJour's proposal. Once we make sense of the claim that inductive inference is "necessarily highly likely" to be reliable, we find that it is not knowable a priori after all.
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