The following is not a successful skeptical scenario: you think you know you have hands, but maybe you don't! Why is that a failure, when it's far more likely than, say, the evil genius hypothesis? That's the question.<br><br>This is an earlier draft.

Nozick analyzes fundamental issues, such as the identity of the self, knowledge and skepticism, free will, the foundations of ethics, and the meaning of life.

Knowledge and Lotteries is organized around an epistemological puzzle: in many cases, we seem consistently inclined to deny that we know a certain class of propositions, while crediting ourselves with knowledge of propositions that imply them. In its starkest form, the puzzle is this: we do not think we know that a given lottery ticket will be a loser, yet we normally count ourselves as knowing all sorts of ordinary things that entail that its holder will not suddenly acquire a (...) large fortune. After providing a number of specific and general characterizations of the puzzle, Hawthorne carefully examines the competing merits of candidate solutions. In so doing, he explores a number of central questions concerning the nature and importance of knowledge, including the relationship of knowledge to assertion and practical reasoning, the status of epistemic closure principles, the merits of various brands of scepticism, the prospects for a contextualist account of knowledge, and the potential for other sorts of salience-sensitive accounts. Along the way, he offers a careful treatment of pertinent issues at the foundations of semantics. His book will be of interest to anyone working in the field of epistemology, as well as to philosophers of language. (shrink)

Knowledge and its Limits presents a systematic new conception of knowledge as a kind of mental stage sensitive to the knower's environment. It makes a major contribution to the debate between externalist and internalist philosophies of mind, and breaks radically with the epistemological tradition of analyzing knowledge in terms of true belief. The theory casts new light on such philosophical problems as scepticism, evidence, probability and assertion, realism and anti-realism, and the limits of what can be known. The arguments are (...) illustrated by rigorous models based on epistemic logic and probability theory. The result is a new way of doing epistemology and a notable contribution to the philosophy of mind. (shrink)

What modal relation must a fact bear to a belief in order for this belief to constitute knowledge of that fact? Externalists have proposed various answers, including some that combine externalism with contextualism. We shall find that various forms of externalism share a modal conception of “sensitivity” open to serious objections. Fortunately, the undeniable intuitive attractiveness of this conception can be explained through an easily confused but far preferable notion of “safety.” The denouement of our reflections, finally, will be to (...) show how replacing sensitivity with safety makes it possible to defend plain Moorean common sense against the spurious advantages over it claimed by skeptical, tracking, relevant-alternative, and contextualist accounts. (shrink)

In some lottery situations, the probability that your ticket's a loser can get very close to 1. Suppose, for instance, that yours is one of 20 million tickets, only one of which is a winner. Still, it seems that (1) You don't know yours is a loser and (2) You're in no position to flat-out assert that your ticket is a loser. "It's probably a loser," "It's all but certain that it's a loser," or even, "It's quite certain that it's (...) a loser" seem quite alright to say, but, it seems, you're in no position to declare simply, "It's a loser." (1) and (2) are closely related phenomena. In fact, I'll take it as a working hypothesis that the reason "It's a loser" is unassertable is that (a) You don't seem to know that your ticket's a loser, and (b) In flat-out asserting some proposition, you represent yourself as knowing it.1 This working hypothesis will enable me to address these two phenomena together, moving back and forth freely between them. I leave it to those who reject the hypothesis to sort out those considerations which properly apply to the issue of knowledge from those germane to that of assertability. Things are quite different when you report the results of last night's basketball game. Suppose your only source is your morning newspaper, which did not carry a story about the 1 game, but simply listed the score, "Knicks 83, at Bulls 95," under "Yesterday's Results." Now, it doesn't happen very frequently, but, as we all should suspect, newspapers do misreport scores from time to time. On several occasions, my paper has transposed a result, attributing to each team the score of its opponent. In fact, that your paper's got the present result wrong seems quite a bit more probable than that you've won the lottery of the above paragraph. Still, when asked, "Did the Bulls win yesterday?", "Probably" and "In all likelihood" seem quite unnecessary. "Yes, they did," seems just fine.. (shrink)

Stephen Schiffer; XIII*—Contextualist Solutions to Scepticism, Proceedings of the Aristotelian Society, Volume 96, Issue 1, 1 June 1996, Pages 317–334, https://.

Scepticism, Knowledge, and Forms of Reasoning is an attempt to resolve how best to respond to such vexing arguments, a matter on which there is no consensus ...

Contextualism has been hotly debated in recent epistemology and philosophy of language. The Case for Contextualism is a state-of-the-art exposition and defense of the contextualist position, presenting and advancing the most powerful arguments in favor of the view and responding to the most pressing objections facing it.

Compiles the essays of Descartes, the seventeenth-century philosopher who rejected Greek and medieval scholasticism.

This chapter contains section titled: Sensitivity Accounts — Direct and Indirect The Attack by Counterexample on Sensitivity Accounts — And Why SCA Seems on the Right Track Nonetheless Sosa's Safety Account Sosa's Account as a Sensitivity Account — and His Counterexamples Safety and the Problem of True/True Subjunctives Other Formulations of Safety Safety and Strength of Epistemic Position Contextualist Solutions to Skepticism Intuitive Complexity: Do We Know that We're Not Brains in Vats?

What happens to the "conversational score" when speakers in a conversation push the score for a context-sensitive term in different directions? In epistemology, contextualists are often construed as holding that both the skeptic ("You don't know!") and her opponent ("Oh, yes I do!") speak truthfully when they debate. This assumes a "multiple scoreboards" version of contextualism. But contextualists themselves typically opt for "single scoreboard" views on which such apparently competing claims really do conflict. This paper explores several single scoreboard options (...) for contextualists, opting in the end for the "gap view," on which neither of our debaters speaks truthfully. (shrink)

This should be fairly close to the text of this paper as it appears in The Southern Journal of Philosophy 38 (2000), Spindel Conference Supplement: 121-148.

In Chapter 1, I defend contextualism--the view that the standards for knowing that a subject must live up to in order for sentences attributing knowledge to her to be true vary according to various features of the contexts in which these sentences are uttered. ;In Chapter 2, I propose and defend a hypothesis as to the truth conditions of epistemic modal statements; I argue that if it is epistemically possible from a subject's point of view that not-p, then she does (...) not know that p; and, since, according to my analysis, epistemic possibilities largely have to do with what is and is not known by various people, I extend the contextualist treatment of knowledge to cover epistemic possibilities. ;An external world skeptic may claim that whenever we attribute external world knowledge to someone, we are saying something false. In Chapter 3, I investigate the arguments which might be thought to support this bold sceptical claim. Such an argument, if it is good, presents us with a puzzle: its premises together with the negation of its conclusion form an inconsistent set of propositions, all of which seem plausible. I argue that contextualism provides the best resolution of these sceptical puzzles. We, therefore, have more reason to accept contextualism. And since this contextualist resolution is better than the sceptic's , the arguments do not support the sceptic's conclusion. ;Alternatively, an external world sceptic might accept contextualism and admit that we may be saying something true when, in everyday life, we claim to know this or that, but then claim that she is using 'know' in a philosophical setting in which the standards for knowledge are very high, and that, therefore, she is saying something true when she denies that we know anything about the external world. In Chapter 4, I argue that this philosophical sceptic's denials of knowledge don't have any of the interest they initially appear to have. (shrink)

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. (shrink)

Direct Realism often emerges as a solution to a certain type of problem. Hume and, especially, Berkeley, wielding some of the most powerful arguments of 18th Century philosophy, forcefully attacked the notion that there could be good inferences from the occurrence of one’s sensations to the existence of external, mind-independent bodies. Given the success of these attacks, and also given the assumption, made by Berkeley and arguably by Hume as well, that our knowledge of and rational belief in the existence (...) of material objects would depend upon there being such good inferences, a problem arises: We cannot know of or rationally believe in the existence of material objects. Reid’s Direct Realism then emerges as the solution to this problem. Reid admits the success of Berkeley’s and Hume’s attacks against the possibility of successfully grounding our material world beliefs on inferences from our sensations,[1] but claims that our belief in the existence of material objects can be perfectly rationally acceptable, and can amount to knowledge, despite the lack of such inferences. Though he did not use the terminology, it seems to be Reid’s position – and it’s this position that I will be referring to as his “Direct Realism” here – that certain perceptual beliefs whose content is such that they imply the existence of material objects are properly basic: they are rationally held, and if true can amount to knowledge, without having to be based on any other beliefs, including, most notably, beliefs about one’s own sensory experiences. (shrink)