This book offers solutions to two persistent and I believe closely related problems in epistemology. The first problem is that of drawing a principled distinction between perception and inference: what is the difference between seeing that something is the case and merely believing it on the basis of what we do see? The second problem is that of specifying which beliefs are epistemologically basic (i.e., directly, or noninferentially, justified) and which are not. I argue that what makes a belief a (...) perceptual belief, or a basic belief, is not any introspectible feature of the belief but rather the nature of the cognitive system, or "module", that is causally responsible for the belief. Thus, even zombies, who in the philosophical literature lack conscious experiences altogether, can have basic, justified, perceptual beliefs. -/- The theories of perceptual and basic beliefs developed in the monograph are embedded in a larger reliabilist epistemology. I use this theory of basic beliefs to develop a detailed reliabilist theory: Inferentialist Reliabilism, which offers a reliabilist theory of inferential justification and which solves some longstanding problems for other reliabilist views by demanding inferential support for some—but not all—beliefs. The book is an instance of a thoroughgoingly naturalistic approach to epistemology. Many of my arguments have an empirical basis, and the view that I endorse reserves a central role for the cognitive sciences—in particular, cognitive neuroscience—in filling in the details of an applied epistemological theory. (shrink)

This book, which can be read independently, deals with more specifically linguistic problems in semantics and contains substantial original material.

Is perception cognitively penetrable, and what are the epistemological consequences if it is? I address the latter of these two questions, partly by reference to recent work by Athanassios Raftopoulos and Susanna Seigel. Against the usual, circularity, readings of cognitive penetrability, I argue that cognitive penetration can be epistemically virtuous, when---and only when---it increases the reliability of perception.

The paper offers a solution to the generality problem for a reliabilist epistemology, by developing an “algorithm and parameters” scheme for type-individuating cognitive processes. Algorithms are detailed procedures for mapping inputs to outputs. Parameters are psychological variables that systematically affect processing. The relevant process type for a given token is given by the complete algorithmic characterization of the token, along with the values of all the causally relevant parameters. The typing that results is far removed from the typings of folk (...) psychology, and from much of the epistemology literature. But it is principled and empirically grounded, and shows good prospects for yielding the desired epistemological verdicts. The paper articulates and elaborates the theory, drawing out some of its consequences. Toward the end, the fleshed-out theory is applied to two important case studies: hallucination and cognitive penetration of perception. (shrink)

The New Evil Demon Problem is supposed to show that straightforward versions of reliabilism are false: reliability is not necessary for justification after all. I argue that it does no such thing. The reliabilist can count a number of beliefs as justified even in demon worlds, others as unjustified but having positive epistemic status nonetheless. The remaining beliefs---primarily perceptual beliefs---are not, on further reflection, intuitively justified after all. The reliabilist is right to count these beliefs as unjustified in demon worlds, (...) and it is a challenge for the internalist to be able to do so as well. (shrink)

Epistemic defeat is standardly understood in either evidentialist or responsibilist terms. The seminal treatment of defeat is an evidentialist one, due to John Pollock, who famously distinguishes between undercutting and rebutting defeaters. More recently, an orthogonal distinction due to Jennifer Lackey has become widely endorsed, between so-called doxastic (or psychological) and normative defeaters. We think that neither doxastic nor normative defeaters, as Lackey understands them, exist. Both of Lackey’s categories of defeat derive from implausible assumptions about epistemic responsibility. Although Pollock’s (...) evidentialist view is superior, the evidentialism per se can be purged from it, leaving a general structure of defeat that can be incorporated in a reliabilist theory that is neither evidentialist nor responsibilist in any way. (shrink)

Linguistic Semantics: An Introduction is the successor to Sir John Lyons's important textbook Language, Meaning and Context (1981).While preserving the general structure of the earlier book, the author has substantially expanded its scope to introduce several topics that were not previously discussed, and to take account of new developments in linguistic semantics over the past decade. The resulting work is an invaluable guide to the subject, offering clarifications of its specialised terms and explaining its relationship to formal and philosophical semantics (...) and to contemporary pragmatics. With its clear and accessible style it will appeal to a wide student readership. Sir John Lyons is one of the most important and internationally renowned contributors to the study of linguistics. His many publications include Introduction to Theoretical Linguistics (1968) and Semantics (1977). (shrink)

Cognitive penetration of perception is the idea that what we see is influenced by such states as beliefs, expectations, and so on. A perceptual belief that results from cognitive penetration may be less justified than a nonpenetrated one. Inferentialism is a kind of internalist view that tries to account for this by claiming that some experiences are epistemically evaluable, on the basis of why the perceiver has that experience, and the familiar canons of good inference provide the appropriate standards by (...) which experiences are evaluated. I examine recent defenses of inferentialism by Susanna Siegel, Peter Markie, and Matthew McGrath and argue that the prospects for inferentialism are dim. (shrink)

Can beliefs that are not consciously formulated serve as part of an agent's evidence for other beliefs? A common view says no, any belief that is psychologically immediate is also epistemically immediate. I argue that some unconscious beliefs can serve as evidence, but other unconscious beliefs cannot. Person-level beliefs can serve as evidence, but subpersonal beliefs cannot. I try to clarify the nature of the personal/subpersonal distinction and to show how my proposal illuminates various epistemological problems and provides a principled (...) framework for solving other problems. (shrink)

The “looks” of things are frequently invoked (a) to account for the epistemic status of perceptual beliefs and (b) to distinguish perceptual from inferential beliefs. ‘Looks’ for these purposes is normally understood in terms of a perceptual experience and its phenomenal character. Here I argue that there is also a nonexperiential sense of ‘looks’—one that relates to cognitive architecture, rather than phenomenology—and that this nonexperiential sense can do the work of (a) and (b).

An introductory overview of the main issues in the epistemology of perception.

An influential argument for anti-reductionism about testimony, due to CAJ Coady, fails, because it assumes that an inductive global defense of testimony would proceed along effectively behaviorist lines. If we take seriously our wealth of non-testimonially justified folk psychological beliefs, the prospects for inductivism and reductionism look much better.

Much of the intuitive appeal of evidentialism results from conflating two importantly different conceptions of evidence. This is most clear in the case of perceptual justification, where experience is able to provide evidence in one sense of the term, although not in the sense that the evidentialist requires. I argue this, in part, by relying on a reading of the Sellarsian dilemma that differs from the version standardly encountered in contemporary epistemology, one that is aimed initially at the epistemology of (...) introspection but which generalizes to theories of perceptual justification as well. (shrink)

Outside of philosophy, ‘intuition’ means something like ‘knowing without knowing how you know’. Intuition in this broad sense is an important epistemological category. I distinguish intuition from perception and perception from perceptual experience, in order to discuss the distinctive psychological and epistemological status of evaluative property attributions. Although it is doubtful that we perceptually experience many evaluative properties and also somewhat unlikely that we perceive many evaluative properties, it is highly plausible that we intuit many instances of evaluative properties as (...) such. The resulting epistemological status of evaluative property attributions is very much like it would be if we literally perceived such properties. (shrink)

This book sets out to identify the nature and implications of a proper understanding of pluralism in a original and illuminating way. Isaiah Berlin believed that a recognition of pluralism is vital to a free, decent and civilised society. By looking below at the often neglected foundations of Berlin’s celebrated account of moral pluralism, Lyons reveals the more philosophically profound aspects of his undogmatic and humanistic liberal vision. He achieves this by comparing Berlin’s core ideas with those of several of (...) his most distinguished philosophical contemporaries, an exercise which yields not only a deeper grasp of Berlin and several major twentieth-century thinkers, principally A. J. Ayer, J. L. Austin, P. F. Strawson, Bernard Williams and Quentin Skinner, but, more broadly, a keener appreciation of the power of history and philosophy to help us make sense of our predicament. (shrink)

To what extent are cognitive capacities, especially perceptual capacities, informationally encapsulated and to what extent are they cognitively penetrable? And why does this matter? Two reasons we care about encapsulation/penetrability are: (a) encapsulation is sometimes held to be definitional of modularity, and (b) penetrability has epistemological implications independent of modularity. I argue that modularity does not require encapsulation; that modularity may have epistemological implications independently of encapsulation; and that the epistemological implications of the cognitive penetrability of perception are messier than (...) is sometimes thought. (shrink)

Researchers are beginning to transition from studying human–automation interaction to human–autonomy teaming. This distinction has been highlighted in recent literature, and theoretical reasons why the psychological experience of humans interacting with autonomy may vary and affect subsequent collaboration outcomes are beginning to emerge (de Visser et al., 2018;Wynne and Lyons, 2018). In this review, we do a deep dive into human–autonomy teams (HATs) by explaining the differences between automation and autonomy and by reviewing the domain of human–human teaming to make (...) inferences for HATs. We examine the domain of human–human teaming to extrapolate a few core factors that could have relevance for HATs. Notably, these factors involve critical social elements within teams that are central (as argued in this review) for HATs. We conclude by highlighting some research gaps that researchers should strive toward answering, which will ultimately facilitate a more nuanced and complete understanding of HATs in a variety of real-world contexts. (shrink)

Goldman, though still a reliabilist, has made some recent concessions to evidentialist epistemologies. I agree that reliabilism is most plausible when it incorporates certain evidentialist elements, but I try to minimize the evidentialist component. I argue that fewer beliefs require evidence than Goldman thinks, that Goldman should construe evidential fit in process reliabilist terms, rather than the way he does, and that this process reliabilist understanding of evidence illuminates such important epistemological concepts as propositional justification, ex ante justification, and defeat.

Stewart Cohen argues that much contemporary epistemological theorizing is hampered by the fact that ‘epistemic justification’ is a term of art and one that is never given any serious explication in a non-tendentious, theory-neutral way. He suggests that epistemologists are therefore better off theorizing in terms of rationality, rather than in terms of ‘epistemic justification’. Against this, I argue that even if the term ‘epistemic justification’ is not broadly known, the concept it picks out is quite familiar, and partly because (...) it’s a term of art, justification talk is a better vehicle for philosophical theorizing. ‘Rational’ is too unclear for our philosophical purposes, and the fact that ‘epistemic justification’ gets fleshed out by appeal to substantive, controversial theses is no obstacle to its playing the needed role in epistemological theorizing. (shrink)

The Sellarsian dilemma is a famous argument that attempts to show that nondoxastic experiential states cannot confer justification on basic beliefs. The usual conclusion of the Sellarsian dilemma is a coherentist epistemology, and the usual response to the dilemma is to find it quite unconvincing. By distinguishing between two importantly different justification relations (evidential and nonevidential), I hope to show that the Sellarsian dilemma, or something like it, does offer a powerful argument against standard nondoxastic foundationalist theories. But this reconceived (...) version of the argument does not support coherentism. Instead, I use it to argue for a strongly externalist epistemology. (shrink)

I defend a moderate (neither extremely conservative nor extremely liberal) view about the contents of perception. I develop an account of perceptual kinds as perceptual similarity classes, which are convex regions in similarity space. Different perceivers will enjoy different perceptual kinds. I argue that for any property P, a perceptual state of O can represent something as P only if P is coextensive with some perceptual kind for O. 'Dog' and 'chair' will be perceptual kinds for most normal people, 'blackpool (...) warbler' for the expert birdwatcher but not for the rest of us, 'dangerous', 'familiar', or 'meaning that the cat is on the mat' for none of us. (shrink)

Nearly everyone agrees that perception gives us justification and knowledge, and a great number of epistemologists endorse a particular two-part view about how this happens. The view is that perceptual beliefs get their justification from perceptual experiences, and that they do so by being based on them. Despite the ubiquity of these two views, I think that neither has very much going for it; on the contrary, there’s good reason not to believe either one of them.

In this chapter, the author regards reliabilism as one of the major achievements of twentieth century philosophy and Alvin Goldman as one of the chief architects of this important theory. It focuses on three related issues in Goldman's epistemology. Goldman has recently been making friendly overtures toward evidentialist epistemologies, and although the author agrees that reliabilism needs some kind of evidentialist element. More specifically, the author think he concedes too much to the evidentialist. In particular, he concedes: that a great (...) many beliefs cannot be justified without evidence, in particular, that some beliefs require nondoxastic evidence; that evidential fit can be understood in non‐process‐reliabilist terms, and that the aforementioned or some similar understanding of evidential fit makes sense of propositional, or ex ante, justification. Goldman has never lost sight of the epistemic significance of ways of coming to believe, and he is well aware of the differences between process reliabilism and indicator reliabilism. (shrink)

The cognitive neuropsychological understanding of a cognitive system is roughly that of a ‘mental organ’, which is independent of other systems, specializes in some cognitive task, and exhibits a certain kind of internal cohesiveness. This is all quite vague, and I try to make it more precise. A more precise understanding of cognitive systems will make it possible to articulate in some detail an alternative to the Fodorian doctrine of modularity (since not all cognitive systems are modules), but it will (...) also provide a better understanding of what a module is (since all modules are cognitive systems). (shrink)

Response to Horgan, Goldman, and Graham. Part of a book symposium on my _Perception and Basic Beliefs_.

Clarke and Beck argue that the approximate number system represents rational numbers, like 1/3 or 3.5. I think this claim is not supported by the evidence. Rather, I argue, ANS should be interpreted as representing natural numbers and ratios among them; and we should view the contents of these representations are genuinely approximate.

Recent worries about possible epiphenomenalist consequences of nonreductive materialism are misplaced, not, as many have argued, because nonreductive materialism does not have epiphenomenalist implications but because the epiphenomenalist implications are actually virtues of the theory, rather than vices. It is only by showing how certain kinds of mental properties are causally impotent that cognitive scientific explanations of mentality as we know them are possible.

This innovative text is psychologically informed, both in its diagnosis of inferential errors, and in teaching students how to watch out for and work around their natural intellectual blind spots. It also incorporates insights from epistemology and philosophy of science that are indispensable for learning how to evaluate premises. The result is a hands-on primer for real world critical thinking. The authors bring a fresh approach to the traditional challenges of a critical thinking course: effectively explaining the nature of validity, (...) assessing deductive arguments, reconstructing, identifying and diagramming arguments, and causal and probabilistic inference. Additionally, they discuss in detail, important, frequently neglected topics, including testimony, including the evaluation of news and other information sources, the nature and credibility of science, rhetoric, and dialectical argumentation. The treatment of probability uses frequency trees and a frequency approach more generally, and argument reconstruction is taught using argument maps; these methods have been shown to improve students’ reasoning and argument evaluation. (shrink)

Morphological content (MC) is content that is implicit in the standing structure of the cognitive system. Henderson and Horgan claim that MC plays a distinctive epistemological role unrecognized by traditional epistemic theories. I consider the possibilities that MC plays this role either in central cognition or in peripheral modules. I argue that the peripheral MC does not play an interesting epistemological role and that the central MC is already recognized by traditional theories.

Part of a book symposium with Terry Horgan, Alvin Goldman, and Peter Graham.

Raftopoulos’s most recent book argues, among other things, for the cognitive impenetrability of early vision. Before we can assess any such claims, we need to know what’s meant by “early vision” and by “cognitive penetration”. In this contribution to this book symposium, I explore several different things that one might mean – indeed, that Raftopoulos might mean – by these terms. I argue that whatever criterion we choose for delineating early vision, we need a single criterion, not a mishmash of (...) distinct criteria. And I argue against defining cognitive penetration in partly epistemological terms, although it is fine to offer epistemological considerations in defending some definitions as capturing something of independent interest. Finally, I raise some questions about how we are to understand the “directness” of certain putative cognitive influences on perception and about whether there’s a decent rationale for restricting directness in the way that Raftopoulos apparently does. (shrink)

An examination of the role played by general rules in Hume's positive (nonskeptical) epistemology. General rules for Hume are roughly just general beliefs. The difference between justified and unjustified belief is a matter of the influence of good versus bad general rules, the good general rules being the "extensive" and "constant" ones.

Methods have been a controversial element in theories of knowledge for the last 40 years. Recent developments in theories of justification, concerning the identification and individuation of belief-forming processes, can shed new light on methods, solving some longstanding problems in the theory of knowledge. We needn’t and shouldn’t shy away from methods; rather, methods, construed as psychological processes of belief-formation, need to play a central role in any credible theory of knowledge.

The traditional understanding of analyticity in terms of concept containment is revisited, but with a concept explicitly understood as a certain kind of mental representation and containment being read correspondingly literally. The resulting conception of analyticity avoids much of the vagueness associated with attempts to explicate analyticity in terms of synonymy by moving the locus of discussion from the philosophy of language to the philosophy of mind. The account provided here illustrates some interesting features of representations and explains, at least (...) in part, the special epistemic status of analytic judgments. (shrink)

Before imagination became the transcendent and creative faculty promoted by the Romantics, it was for something quite different. Not reserved to a privileged few, imagination was instead considered a universal ability that each person could direct in practical ways. To imagine something meant to form in the mind a replica of a thing—its taste, its sound, and other physical attributes. At the end of the Renaissance, there was a movement to encourage individuals to develop their ability to imagine vividly. Within (...) their private mental space, a space of embodied, sensual thought, they could meditate, pray, or philosophize. Gradually, confidence in the self-directed imagination fell out of favor and was replaced by the belief that the few—an elite of writers and teachers—should control the imagination of the many. This book seeks to understand what imagination meant in early modern Europe, particularly in early modern France, before the Romantic era gave the term its modern meaning. The author explores the themes surrounding early modern notions of imagination (including hostility to imagination) through the writings of such figures as Descartes, Montaigne, François de Sales, Pascal, the Marquise de Se;vigne;, Madame de Lafayette, and Fe;nelon. (shrink)

The absence of self in Classical litera­ture and the emergence in the eigh­teenth century of the concept of the unique and individual self asserting its existence and seeking its truth in pri­vate experience and feeling is often touched upon in cultural histories but little explained. Seeking the reasons for and the effects of the change of attitude toward one’s concept of one’s self in the “new” eighteenth-century attitude to­ward history, biography, travel litera­ture, pornography, and the novel, Lyons finds, first, that (...) the term _self _is deceptively vague. It evolved, he notes, to fill the vacuum created by doubt about the existence of the soul. Second, Lyons finds that without a concept of the self—that ineffable something in a human being that to its inventors and their followers was an abstract of pure and intuited natural laws—the revolution and romanticism of the modern age would have been very different from what it has been. More importantly, Lyons concludes that the concept led to monumental error and to bitter disappointments rooted, as his il­luminating history shows, in the im­possibility of defining that which never was. (shrink)

Veridically perceiving puts us in a better epistemic position than, say, hallucinating does, at least in that veridical perception affords knowledge of our environment in a way that hallucination does not. But is there any _further_ epistemic advantage? Some authors have recently argued that veridical perception provides a superior epistemic benefit over hallucination not just concerning knowledge, but concerning justification as well. This contrasts with a traditional view according to which experience provides justification irrespective of whether it’s veridical or hallucinatory. (...) I think both views are mistaken. Although this traditional view should be rejected in favor of one on which _some_ hallucinations are epistemically worse than veridical perceptions (and some are not), I don’t believe there is good reason to think that the mere fact of hallucination—or factivity more generally—has any consequences for justification. Susanna Schellenberg has endorsed both the traditional and the factive views (for different elements or kinds of perceptual justification), and I critique her views in detail, though I also draw out more general epistemological lessons about factivity and evidence. (shrink)