1 Knowledge and Justification This book is an investigation of one central problem which arises in the attempt to give a philosophical account of empirical ...

A comprehensive defence of the rationalist view that insight independent of experience is a genuine basis for knowledge.

One of the many problems that would have t o be solved by a satisfactory theory of empirical knowledge, perhaps the most central is a general structural problem which I shall call the epistemic regress problem: the problem of how to avoid an in- finite and presumably vicious regress of justification in ones account of the justifica- tion of empirical beliefs. Foundationalist theories of empirical knowledge, as we shall see further below, attempt t o avoid the regress by locating a (...) class of empirical beliefs whose justification does not depend on that of other empirical beliefs. Extemalist theories, the topic of the present paper, represent one species of foundationalism. (shrink)

In Epistemology, Laurence Bonjour introduces the serious philosophy student to the history and concepts of epistemology, while simultaneously challenging them to take an active part in its ongoing debates. The text reflects BonJour's conviction that the place to start any discussion of the theories of knowledge is with the classical problems, beginning with and centered around Descartes.

My aim in this paper is to explore the dispute between foundationalism and coherentism and attempt a resolution. I will begin by considering the origin of the issue in the famous epistemic regress problem. Next I will explore the central foundationalist idea and the most central objections that have been raised against foundationalist views. This will lead to a consideration of the main contours of the coherentist alternative, and eventually to a discussion of objections to coherentism – including several specific (...) ones that I now judge to be clearly fatal, especially when taken together. This will motivate, finally, a reconsideration of foundationalism. I will argue that the dialectically most serious objection to foundationalism can be successfully answered. While the answer that I will suggest admittedly carries with it the price of aggravating certain other difficulties, especially the venerable problem of showing how belief in an external world of physical objects can be justified, it still seems to me to leave foundationalism as by far the more defensible and promising of the two alternatives. (shrink)

Outlines a tenable version of a traditional foundationalist account\nof empirical justification and its implications for the justification\nof beliefs about physical or material objects. Presupposing the acceptability\nof other beliefs about physical objects; Concept of a basic belief;\nMetabeliefs about one's own occurrent beliefs; Beliefs about sensory\nexperience.

The contributions in this volume make an important effort to resurrect a rather old fashioned form of foundationalism. They defend the position that there are some beliefs that are justified, and are not themselves justified by any further beliefs. This epistemic foundationalism has been the subject of rigorous attack by a wide range of theorists in recent years, leading to the impression that foundationalism is a thing of the past. DePaul argues that it is precisely the volume and virulence of (...) the assaults which points directly to the strength and coherence of the position. (shrink)

In “Internalism and Externalism,” Laurence BonJour suggests that the contemporary epistemological debate over internalism and externalism concerns the formulation of the justification or warrant condition in an account of knowledge. The internalist requires that for a belief to meet this condition, all of the necessary elements must be cognitively accessible to the believer, whereas the externalist claims that at least some such elements do not need to be accessible to the believer. BonJour gives an overview of this dispute. He suggests (...) that the opposition between the two views is less straightforward than has usually been thought. He proposes, in addition, that each of them has valuable roles to play in major epistemological issues, even though the internalist approach is more fundamental in an important way. (shrink)

It is fairly standard in accounts of the epistemology of perceptual knowledge to distinguish three main alternative positions: representationalism, phenomenalism, and a third view that is called either naïve realism or direct realism. I have always found the last of these views puzzling and elusive. My aim in this paper is to try to figure out what direct realism amounts to, mainly with an eye to seeing whether it offers a genuine epistemological alternative to the other two views and to (...) representationalism in particular. My main thesis will be that it does not—that what is right in direct realist views turns out to have little bearing on the central epistemological issue concerning perceptual knowledge. (shrink)

The historically most central epistemological issue concerning perception, to which this article will be almost entirely devoted, is whether and how beliefs about physical objects and about the physical world generally can be justified or warranted on the basis of sensory or perceptual experience—where it is internalist justification, roughly having a reason to think that the belief in question is true, that is mainly in question (see the entry justification, epistemic: internalist vs. externalist conceptions of). This issue, commonly referred to (...) as “the problem of the external world,” divides into two closely related sub-issues, which correspond to the first two main sections below. The first of these issues has to do with the nature of sensory experience and its relation to the physical world; it is typically (though as we shall see not altogether perspicuously) formulated as the question of what are the immediate objects of awareness in sensory experience or, in a variant but essentially equivalent terminology, of what is given in such experience. Perhaps the most historically standard, though not currently the most popular answer to this question has been that it is sense-data (private, non-physical entities that actually have the immediately experienced sensory qualities) that are the immediate objects of awareness or that are given. The second issue has to do with the way in which beliefs about the physical world are justified on the basis of such sensory experience. If it is concluded that physical objects are not themselves given, the two main answers to this question are representationalism or indirect realism (the view that the immediate objects of experience represent or depict physical objects in a way that allows one to infer justifiably from such experience to the existence of the corresponding “external” objects) and phenomenalism (the view.. (shrink)

My purpose in this paper is to discuss and defend an objection to physicalist or materialist accounts of the mind.

Perhaps the most pervasive conviction within the Western epistemological tradition is that in order for a belief to constitute knowledge it is necessary that it be epistemically justified: that the person in question have a reason or warrant which makes it at least highly likely that the belief is true. Historically, most epistemologists have distinguished two main sources from which such justification might arise. It has seemed obvious to all but a very few that many beliefs are justified by appeal (...) to one’s experience of the world. But it has seemed equally obvious to most that there are other beliefs, including many of the most important ones that we have, which are justified in a way which is entirely independent of any appeal to such experience, justified, as it is usually put, a priori, by reason or pure thought alone. (shrink)

In my book In Defense of Pure Reason, I offer an extended defense of the idea of a priori justification and, more specifically, of a rationalist conception of such justification: one according to which rational insight or intuition provides genuine justification for claims that need not be merely definitional or tautological in character. In the relatively brief space available to me on the present occasion, I want to present and defend, necessarily in rather broad strokes, four of the most central (...) claims that are discussed at much greater length in that book. I will say the most about the first of these theses, somewhat less about the second and third, and only a very little about the fourth. (shrink)

In this paper, I will discuss three arguments which have been advanced by three of the most important recent analytic philosophers: Willard Van Orman Quine, Hilary Putnam, and Michael Dummett. Each argument is central to the views of the philosopher in question, and each leads to sweeping and, to my mind, highly implausible conclusions concerning the content of our thoughts about the world. The philosophers in question claim, of course, that these implications should be accepted, but few others have been (...) willing to follow them in this. At the same time, however, there has been no very widespread agreement on where and how the arguments go wrong. My view is that they are best viewed as reductions to absurdity of their premises and of one underlying premise in particular. [1] But just which premise is at fault is not, perhaps, immediately obvious. I will have more to say about that after we have had an initial look at the arguments. (shrink)

This chapter addresses the question of whether perceptual beliefs can have a foundational status in epistemology. It argues that, although Audi's defense of the foundational status of perceptual beliefs does not succeed, a similar defense might succeed. It first considers a defense based on considerations of intuitive plausibility. The chapter next considers Audi's more extended defense based on a form of “epistemic realism”. According to this chapter, both defenses fail to provide any explanation of why certain experiences are justificatorily relevant (...) to the existence of certain material objects. BonJour then sketches a “best explanation” account of this justificatory relevance, and attempts to show how, despite serious difficulties, such an account can deliver foundational justification. (shrink)

I argue that while Fumerton’s criticisms of pure coherence theories of truth are both important and extremely cogent, their application both to the main historical views usually identified as coherence theories of truth, viz. the views of the absolute idealists, and to contemporary anti-realism is more problematic. In addition, while Fumerton is again undeniably correct in his objection to pure coherence theories of justification, an impure coherence theory of justification may still be defensible.

In this paper I am primarily interested in establishing that a coherence theory of truth is conceptually incoherent. Although my primary concern is with the coherence theory of truth, I shall point out that the problem I raise has a striking parallel in a now well-known objection to coherence theories of justification (an objection that, ironically, was brought to the fore by a proponent of a coherence theory of justification, Laurence Bonjour).

This chapter offers the preferred account of internalism and its basic rationale, contrasting it with the one adopted by C&F and then with the ones that Goldman suggests in these two papers. It discusses the supposed problems pertaining to logical and probabilistic relations and to epistemic principles, arguing that they have no real force and mostly result from misunderstandings of the internalist view. The chapter considers the only problem that seems to even initially troublesome, what Goldman refers to in Internalism (...) exposed (IE) as “the problem of forgotten evidence” and in “Internalism, Externalism, and the Architecture of Justification” as the problem of “preservative memory”, arguing both that there are adequate, albeit not entirely unproblematic internalist responses available; and also that one of the standard problems for externalism is especially conspicuous here, enough to prevent this problem from counting in favor of externalism to any serious degree. (shrink)

The present essay has two faces. On the one hand, it is an essay in what I conceive to be the fundamental problems of epistemology, and a presentation and defense of solutions to those problems which I find plausible. On the other hand, it is also an essay in the philosophy of Wilfrid Sellars, and a selective defense thereof. Obviously the connecting link which is required to make these two faces of the essay compatible with one another is a belief (...) on my part that Sellars' epistemological position is fundamentally sound. (shrink)

Em “O Mito do Conhecimento”, Laurence BonJour defende a tese de que a concepção “falibilista” de conhecimento, assumida de modo preponderante pelos epistemólogos na era pós-Gettier, “está errada”, pois tal concepção “fraca” de conhecimento proporciona pouca satisfação da perspectiva filosófica e é inexistente no âmbito do senso comum, constituindo tão-somente um “mito filosófico”.