Online research in philosophy

In some recent work, Ernest Sosa rejects the “perceptual model” of rational intuition, according to which intuitive beliefs (e.g., that ) are justified by standing in the appropriate relation to a nondoxastic intellectual experience (a seeming-true, or the like), in much the way that perceptual beliefs are often held to be justified by an appropriate relation to nondoxastic sense experiential states. By extending some of Sosa’s arguments and adding a few of my own, I argue that Sosa is right to reject the perceptual model of intuition, and that we should reject the “perceptual model” of perception as well. Rational intuition and perception should both receive a virtue theoretic (e.g., reliabilist) account, rather than an evidentialist one. To this end, I explicitly argue against the Grounds Principle, which holds that all justified beliefs must be based on some adequate reason, or ground.

This paper offers and analysis of Ernest Sosa's Virtue Perspectivism. Although Sosa has been credited with fathering the influential contemporary movement known as Virtue Epistemology, I argue that Sosa imprudently abandons the reliabilist-based insights of Virtue Epistemology in favor of a reflection-based, "perspectival"' view. Sosa's mixed allegiance to reliabilist-based and reflection-based views of knowledge, in fact, leads to an unwelcome tension in his thought which can be relieved by recognizing that his reflection-based view is in fact an account of the cognitive state of understanding, rather than an account of knowledge. Sosa makes matters difficult for himself because he expects too much, as it were, from the concept of knowledge, and in the process burdens his view with elements of reflection it does not require. To solve the problem, I suggest that Sosa needs to develop a two-tiered epistemology which recognizes that knowledge, on the one hand, and understanding, on the other, both have necessary and sufficient conditions unique to themselves.

This is the first book devoted to the work of Ernest Sosa, one of the most influential contemporary epistemologists. In it, a group of distinguished philosophers critically assess Sosa's contribution to debates on virtue epistemology, foundationalism, externalism, and metaphysics. The volume also includes Sosa's own reply to his critics, in which he clarifies and develops the central themes of his philosophy. (publisher, edited).

Abstract In Reflective Knowledge, Ernest Sosa continues his detailed and intriguing defense of his two level account of knowledge that recognizes both animal and reflective knowledge. The latter more impressive type of knowledge requires a coherent positive epistemic perspective defending the reliability of a source of belief. Viewing Sosa's discussion from the through the lens provided by R.M. Chisholm's treatments of the problem of the criterion, I worry that Sosa's approach is too far in the methodist direction. As a result, it is in danger of being unable to allow that paradigm examples of certain beliefs are indeed certain, e.g., the beliefs normal adults form in simple arithmetic truths under normal circumstances. I urge an approach closer to particularism that grants more weight to such paradigm particular cases. I also suggest that such an approach might actually align well with Sosa's coherentist sympathies.

Abstract: Susana Nuccetelli discusses critically my account of Moore's Proof of the External World. Noah Lemos takes up my views on skepticism and my distinction between animal knowledge and reflective knowledge. Otávio Bueno focuses on my treatment of dream skepticism. In this article I offer replies to my three critics.

Fortunately for those of us who work on the topic, Ernie Sosa has devoted much of his (seemingly inexhaustible) intellectual energy to the problem of philosophical skepticism. And to great effect. With the three exceptions of Peter Unger, whose 1975 Ignorance: A Case for Scepticism is a grossly under-appreciated classic of epistemology; Timothy Williamson, whose 2000 Knowledge and its Limits is, I hope, on its way to being a less underappreciated classic; and Thomas Reid, I have benefitted more from Sosa’s wrestlings with skepticism than from anyone else’s work on the topic.

In my remarks, I discuss Sosa's attempt to deal with the sceptical threat posed by dreaming. Sosa explores two replies to the problem of dreaming scepticism. First, he argues that, on the imagination model of dreaming, dreaming does not threaten the safety of our beliefs. Second, he argues that knowledge does not require safety, but a weaker condition which is not threatened by dreaming skepticism. I raise questions about both elements of his reply.

In my remarks, I discuss Sosa's attempt to deal with the sceptical threat posed by dreaming. Sosa explores two replies to the problem of dreaming scepticism. First, he argues that, on the imagination model of dreaming, dreaming does not threaten the safety of our beliefs. Second, he argues that knowledge does not require safety, but a weaker condition which is not threatened by dreaming skepticism. I raise questions about both elements of his reply.

Recently, Ernest Sosa (2007) has proposed two novel solutions to the problem of dream skepticism. In the present paper, I argue that Sosa’s first solution falls prey to what I will refer to as the conditionality problem, i.e., the problem of only establishing a conditional—in this case, if x, then I am awake, x being a placeholder for a condition incompatible with dreaming—in a context where it also needs to be established that we can know that the antecedent holds, and as such can infer the consequent, i.e., I am awake. Sosa’s second solution, in terms of so-called reflective knowledge, is shown to land him in the dilemma of either facing yet another conditionality problem, or violating an internalist constraint that he explicitly grants the skeptic with respect to what kind of factors can be legitimately invoked in our account of how we may know the relevant antecedent. For these reasons, I conclude that Sosa has not solved the problem of dream skepticism.

Penultimate draft; please refer to published version -- especially important in this case, as the official version has been Britishized; even the title's second letter is not the same. Abstract. Ernest Sosa has argued that the solution to dream skepticism lies in an understanding of dreams as imaginative experiences – when we dream, on this suggestion, we do not believe the contents of our dreams, but rather imagine them. Sosa rebuts skepticism thus: dreams don’t cause false beliefs, so my beliefs cannot be false, having been caused by dreams. I argue that, even assuming that Sosa is correct about the nature of dreaming, belief in wakefulness on these grounds is epistemically irresponsible. The proper upshot of the imagination model, I suggest, is to recharacterize the way we think about dream skepticism: the skeptical threat is not, after all, that we have false beliefs. So even though dreams don’t involve false beliefs, they still pose a skeptical threat, which I elaborate.