It is commonly held that our thoughts, beliefs, desires and feelings - the mental phenomena that we instantiate - are constituted by states and processes that occur inside our head. The view known as externalism, however, denies that mental phenomena are internal in this sense. The mind is not purely in the head. Mental phenomena are hybrid entities that straddle both internal state and processes and things occurring in the outside world. The development of externalist conceptions of the mind (...) is one of the most controversial, and arguably one of the most important, developments in the philosophy of mind in the second half of the twentieth century. Yet, despite its significance most recent work on externalism has been highly technical, clouding its basic ideas and principles. Moreover, very little work has been done to locate externalism within philosophical developments in both analytic and continental traditions. In this book, Mark Rowlands aims to remedy both these problems and present for the reader a clear and accessible introduction to the subject grounded in wider developments in the history of philosophy. Rowlands shows that externalism has significant and respectable historical roots that make it much more important than a specific eruption that occurred in late twentieth-century analytic philosophy. (shrink)

Semantic externalism about a class of expressions is often thought to make conceptual analysis about members of that class impossible. In particular, since externalism about natural kind terms makes the essences of natural kinds empirically discoverable, it seems that mere reflection on one's natural kind concept will not be able to tell one anything substantial about what it is for something to fall under one's natural kind concepts. Many hold the further view that one cannot even know anything (...) substantial about the reference-fixers of one's natural kind concepts by armchair reflection. In this paper I want to question this latter view and claim that, because of the way our standard methodology of doing theories of reference relies on semantic intuitions, typical externalists in fact presuppose that one can know the reference-fixers of one's natural kind concepts by mere armchair reflection. The more interesting question is how substantial such knowledge can be. I also take some steps toward answering this question. (shrink)

Externalism in the philosophy of mind has been invoked by some philosophers to argue that content‐bearing mental states can’t serve as the explananda in genuinely causal explanations of behaviour. In this paper, I demonstrate that such arguments presuppose that psychological explanations are theory‐based and that, if this theoretical conception of psychological explanation is replaced by the simulation model, we remove the source of the apparent tension between externalism and caus‐ality and are in a position to understand how appeal (...) to content‐bearing mental states may be causally explanatory. (shrink)

Externalism About Knowledge presents new essays from leading epistemologists working in various branches of this tradition: process reliabilism, tracking views, safety views, virtue epistemology, proper functionalism, naturalized epistemology, and knowledge-first epistemology.

Externalism is the thesis that the contents of intentional states and speech acts are not determined by the way the subjects of those states or acts are internally. It is a widely accepted but not entirely uncontroversial thesis. Among such theses in philosophy, externalism is notable for owing the assent it commands almost entirely to thought experiments, especially to variants of Hilary Putnam's famous Twin Earth scenario. This paper presents a thought experiment-free argument for externalism. It shows (...) that externalism is a deductive consequence of a pair of widely accepted principles whose relevance to the issue has hitherto gone unnoticed. (shrink)

According to externalism, reference is a relation between uses of an expression and features of the environment. Moreover, the reference relation is normative , and the referential relata of our expressions are explanatory of successful language use. This paper largely agrees with the broad conception underlying externalism: it is what people do with words that makes them have the references they have, and the world constrains what people can successfully do with words. However, the paper strongly disagrees with (...) the details . A centrally important feature of what people do with words is how they use them in inferential contexts. When due attention is given to the reference-determining role played by inferential properties of expressions, I argue, we arrive at a more satisfactory account of semantic norms and explanations. Much of the argument is based on a detailed look at the language of chemical classification used in the late 19th century. (shrink)

Unlike conceptual analysis, conceptual engineering does not aim to identify the content that our current concepts do have, but the content which these concepts should have. For this method to show the results that its practitioners typically aim for, being able to change meanings seems to be a crucial presupposition. However, certain branches of semantic externalism raise doubts about whether this presupposition can be met. To the extent that meanings are determined by external factors such as causal histories or (...) microphysical structures, it seems that they cannot be changed intentionally. This paper gives an extended discussion of this ‘externalist challenge’. Pace Herman Cappelen’s recent take on this issue, it argues that the viability of conceptual engineering crucially depends on our ability to bring about meaning change. Furthermore, it argues that, contrary to first appearance, causal theories of reference do allow for a sufficient degree of meaning control. To this purpose, it argues that there is a sense of what is called ‘collective long-range control’, and that popular versions of the causal theory of reference imply that people have this kind of control over meanings. (shrink)

Our aim is to provide a topography of the relevant philosophical terrain with regard to the possible ways in which knowledge can be conceived of as extended. We begin by charting the different types of internalist and externalist proposals within epistemology, and we critically examine the different formulations of the epistemic internalism/externalism debate they lead to. Next, we turn to the internalism/externalism distinction within philosophy of mind and cognitive science. In light of the above dividing lines, we then (...) examine first the extent to which content externalism is compatible with epistemic externalism; second, whether active externalism entails epistemic externalism; and third whether there are varieties of epistemic externalism that are better suited to accommodate active externalism. Finally, we examine whether the combination of epistemic and cognitive externalism is necessary for epistemology and we comment on the potential ramifications of this move for social epistemology and philosophy of science. (shrink)

According to Bayesian orthodoxy, an agent should update---or at least should plan to update---her credences by conditionalization. Some have defended this claim by means of a diachronic Dutch book argument. They say: an agent who does not plan to update her credences by conditionalization is vulnerable (by her own lights) to a diachronic Dutch book, i.e., a sequence of bets which, when accepted, guarantee loss of utility. Here, I show that this argument is in tension with evidence externalism, i.e., (...) the view that an agent's evidence can entail non-trivial propositions about the external world. I argue that this tension casts doubt on the idea that diachronic Dutch books can be used to justify or vindicate updating plans. (shrink)

Externalism is widely endorsed within contemporary philosophy of mind and language. Despite this, it is far from clear how the externalist thesis should be construed and, indeed, why we should accept it. In this entry I distinguish and examine three central types of externalism: what I call foundational externalism, externalist semantics, and psychological externalism. I suggest that the most plausible version of externalism is not in fact a very radical thesis and does not have any (...) terribly interesting implications for philosophy of mind, whereas the more radical and interesting versions of externalism are quite difficult to support. (shrink)

Normative Externalism argues that it is not important that people live up to their own principles. What matters, in both ethics and epistemology, is that they live up to the correct principles: that they do the right thing, and that they believe rationally. This stance, that what matters are the correct principles, not one's own principles, has implications across ethics and epistemology. In ethics, it undermines the ideas that moral uncertainty should be treated just like factual uncertainty, that moral (...) ignorance frequently excuses moral wrongdoing, and that hypocrisy is a vice. In epistemology, it suggests we need new treatments of higher-order evidence, and of peer disagreement, and of circular reasoning, and the book suggests new approaches to each of these problems. Although the debates in ethics and in epistemology are often conducted separately, putting them in one place helps bring out their common themes. One common theme is that the view that one should live up to one's own principles looks less attractive when people have terrible principles, or when following their own principles would lead to riskier or more aggressive action than the correct principles. Another common theme is that asking people to live up to their principles leads to regresses. It can be hard to know what action or belief complies with one's principles. And now we can ask, in such a case should a person do what they think their principles require, or what their principles actually require? Both answers lead to problems, and the best way to avoid these problems is to simply say people should follow the correct principles. (shrink)

Internalist approaches to epistemic justification are, though controversial, considered a live option in contemporary epistemology. Accordingly, if ‘active’ externalist approaches in the philosophy of mind—e.g. the extended cognition and extended mind theses—are _in principle_ incompatible with internalist approaches to justification in epistemology, then this will be an epistemological strike against, at least the _prima facie_ appeal of, active externalism. It is shown here however that, contrary to pretheoretical intuitions, neither the extended cognition _nor_ the extended mind theses are in (...) principle incompatible with two prominent versions of epistemic internalism—viz., accessibilism and mentalism. In fact, one possible diagnosis is that pretheoretical intuitions regarding the incompatibility of active externalism with epistemic internalism are symptomatic of a tacit yet incorrect identification of epistemic internalism with epistemic individualism. Thus, active externalism is not in principle incompatible with epistemic internalism per se and does not significantly restrict one’s options in epistemology. (shrink)

Combining active externalism in the form of the extended and distributed cognition hypotheses with virtue reliabilism can provide the long sought after link between mainstream epistemology and philosophy of science. Specifically, by reading virtue reliabilism along the lines suggested by the hypothesis of extended cognition, we can account for scientific knowledge produced on the basis of both hardware and software scientific artifacts. Additionally, by bringing the distributed cognition hypothesis within the picture, we can introduce the notion of epistemic group (...) agents, in order to further account for collective knowledge produced on the basis of scientific research teams. (shrink)

One of the most provocative projects in recent analytic philosophy has been the development of the doctrine of externalism, or, as it is often called, anti-individualism. While there is no agreement as to whether externalism is true or not, a number of recent investigations have begun to explore the question of what follows if it is true. One of the most interesting of these investigations thus far has been the question of whether externalism has consequences for the (...) doctrine that we have authoritative, a priori self-knowledge of our mental states. The selected works presented in this volume, some previously published, some new, are representative of this debate and open up new questions and issues for philosophical investigation, including the connection between externalism, self-knowledge, epistemic warrant, and memory. (shrink)

There is a continuing debate as to whether externalism about mental content is compatible with certain commonly accepted views about the nature of self-knowledge. Both sides to this debate seem to agree that externalism is _not compatible with the traditional view that self-knowledge is acquired by means of observation. In this paper, I argue that externalism is compatible with this traditional view of self-knowledge, and that, in fact, we have good reason to believe that the self-knowledge at (...) issue is acquired by means of observation. (shrink)

Christopher Peacocke; XI*—Externalist Explanation1, Proceedings of the Aristotelian Society, Volume 93, Issue 1, 1 June 1993, Pages 203–230, https://doi.org/10.

Semantic externalism is the view that the meanings of referring terms, and the contents of beliefs that are expressed by those terms, are not fully determined by factors internal to the speaker but are instead bound up with the environment. The debate about semantic externalism is one of the most important but difficult topics in philosophy of mind and language, and has consequences for our understanding of the role of social institutions and the physical environment in constituting language (...) and the mind. In this long-needed book, Jesper Kallestrup provides an invaluable map of the problem. Beginning with a thorough introduction to the theories of descriptivism and referentialism and the work of Frege and Kripke, Kallestrup moves on to analyse Putnam’s Twin Earth argument, Burge’s arthritis argument and Davidson’s Swampman argument. He also discusses how semantic externalism is at the heart of important topics such as indexical thoughts, epistemological skepticism, self-knowledge, and mental causation. Including chapter summaries, a glossary of terms, and an annotated guide to further reading, _Semantic Externalism_ an ideal guide for students studying philosophy of language and philosophy of mind. (shrink)

When proponents of cognitive externalism (CE) turn to empirical studies in cognitive science to put the framework to use and to assess its explanatory success, they typically refer to perception, memory, or motor coordination. In contrast, not much has been said about reasoning. One promising avenue to explore in this respect is the theory of bounded rationality (BR). To clarify the relationship between CE and BR, we criticize Andy Clark's understanding of BR, as well as his claim that BR (...) does not fit his version of CE. We then propose and defend a version of CE—“scaffolded cognition”—that is not committed to constitutive claims about the mind, but still differs from mainstream internalism. Finally, we analyze BR from our own CE perspective, thereby clarifying its vague appeals to the environment, and argue that cognitive internalism cannot explain important aspects of the BR program. (shrink)

This paper argues for externalism about justification on the basis of thought experiments. I present cases in which two individuals are intrinsically and introspectively indistinguishable and in which intuitively, one is justified in believing that p while the other is not. I also examine an argument for internalism based on the ideas that we have privileged access to whether or not our own beliefs are justified and that only internalism is compatible with this privilege. I isolate what I take (...) to be the most plausible form of privileged access to justification and show that it is compatible with externalism. (shrink)

This article presents a novel challenge to epistemic internalism. The challenge rests on a set of cases which feature subjects forming beliefs under conditions of “bad ideology”—that is, conditions in which pervasively false beliefs have the function of sustaining, and are sustained by, systems of social oppression. In such cases, the article suggests, the externalistic view that justification is in part a matter of worldly relations, rather than the internalistic view that justification is solely a matter of how things stand (...) from the agent’s individual perspective, becomes the more intuitively attractive theory. But these “bad ideology” cases do not merely yield intuitive verdicts that favor externalism over internalism. These cases are, moreover, analogous to precisely those canonical cases widely taken to be counterexamples to externalism: cases featuring brains-in-vats, clairvoyants, and dogmatists. That is, such “bad ideology” cases are, in all relevant respects, just like cases that are thought to count against externalism—except that they intuitively favor externalism. This, the author argues, is a serious worry for internalism. What is more, it bears on the debate over whether externalism is a genuinely “normative” epistemology. (shrink)

M. McKinsey has argued that the externalist theory of mental content implies that one can have a priori knowledge of propositions that are in fact only knowable a posteriori. So, according to McKinsey, the externalist theory must be mistaken. A. Gallois and J. O'Leary-Hawthorne have formalized this argument. In this paper, I discuss their formalization and their criticisms of it.

The argument that has inspired much of the recent discussion of the logical relationship between these views is found in Putnam : If externalism is true, then if S were a brain in a vat, S’s utterances of the sentence “I am a brain in a vat” would not express the proposition that S is a brain in a vat. S’s use of the words “brain” and “vat” would not refer to a real brain or vat, just as, in (...) a Twin Earth-style thought experiment, the Twin Earthling cannot refer to water with his use of the term “water.” If we accept that generally we have knowledge of the contents of our utterances, then, if S knows that her utterances of “brain” and “vat” mean brain and vat, it will be possible for S to know that she is not a brain in a vat. For if S has authority with respect to the contents of her utterances, then she can know that her utterance, “I am not a brain in a vat,” refers to brains and vats. On externalism, since S would not refer to brains and vats if she were a brain in a vat, she could know by mere introspection that she is not a brain in a vat. In fact, S can come to know many arbitrary propositions about the external world simply by attending to the contents of her thoughts. For if externalism is true, she can argue, then certain empirical conditions must be satisfied if she is even to have the thoughts about the external world that she does; since she knows what she is thinking, she knows these empirical conditions are satisfied. Thus, if S knows that she is thinking about brains and vats, then she can know that she is not a brain in a vat ; for if she was a BIV, then she would not be thinking about brains and vats, but instead about electrical impulses or some such thing. The standard BIV argument against scepticism, therefore, cannot be correct. This line of argument can then be used to conclude more generally that scepticism is false; for the argument can be run with virtually any utterance or thought with empirical content. If S knows that she is thinking about trees, for example, then she can know that there are trees. (shrink)

Social externalism must allow that subjects can misunderstand the content of their own thoughts. I argue that we can exploit this commitment to create a dilemma for the view’s account of communication. To arrive at the first horn of the dilemma, I argue that, on social externalism, it is understanding which is the measure of communicative success. This would be a highly revisionary account of communication. The only way that the social externalist can salvage the claim that mental (...) content is central to explaining communicative success is by adopting an account which gives unacceptable diagnoses as to the success of communicative exchanges. This is the second horn of the dilemma. Contrastingly, certain internalist views of content, which deny that subjects share thought content, do not face the dilemma. I argue that, as such, we should prefer accounts of communication which deny that subjects speak the same language. (shrink)

It’s not implausible to think that whenever I have a justified noninferential belief that p, it is caused by a seeming that p. It’s also tempting to think that something contributes to the justification of my belief only if I hold my belief because of that thing. Thus, given that many of our noninferential beliefs are justified and that we hold them because of seemings, one might be inclined to hold a view like Phenomenal Conservatism, according to which seemings play (...) a crucial role—perhaps the only crucial role—in the justification of our noninferential beliefs. But Phenomenal Conservatism seems to conflict, in a number of ways, with externalist accounts of justification. As a result, the attractiveness of the intuitions appealed to in support of views like Phenomenal Conservatism present something of a challenge to externalism. The purpose of this paper is to deal with that challenge by developing and defending an externalist-friendly account of the role of seemings in the formation and justification of our noninferential beliefs—an account that incorporates what is attractive in views like Phenomenal Conservatism. Because this externalist-friendly account is compatible with both externalist accounts of justification and the plausible elements of views like Phenomenal Conservatism, the challenge to externalism inspired by such views is thereby undermined. (shrink)

Externalist analyses of knowledge are motivated, at least in part, by the fact that in Gettier examples, S, the person who claims to know p, is right in believing that p, but only as a matter of luck. The most natural way of ruling out these lucky hits on the truth is to demand that S's belief must stand in the right sort of causal relationship to the fact believed. The chapter examines an early version of this approach offered by (...) Goldman. It also examines BonJour's objections to any purely causal account of knowledge. (shrink)

Cognitive abilities have been invoked to do much work in externalist epistemology. An ability condition (sometimes in conjunction with a separate, anti-luck condition) is seen to be key in satisfying direction-of-fit and modal stability intuitions which attach to the accrual of positive epistemic status to doxastic attitudes. While the notion of ability has been given some extensive treatment in the literature (especially John Greco, Alan Millar and Ernest Sosa), the implications for these abilities being particularly cognitive ones has been given (...) less attention. To rectify this oversight, I examine the debate over the nature of cognition from philosophy of cognitive science, paying particular attention to the debate between defenders of internalist theories (Fred Adams, Kenneth Aizawa and Rob Rupert) and externalist theories (so-called “extended mind” positions). Armed with substantive accounts of cognition, I argue that the epistemological externalist’s obligation to repudiate epistemological internalism forces her to adopt some sort of externalist account of cognition. (shrink)

Psychological essentialism is a prominent view within contemporary developmental psychology and cognitive science according to which children have an innate commitment to essentialism. If this view is correct then a commitment to essentialism is an important aspect of human nature rather than a culturally specific commitment peculiar to those who have received a specific philosophical or scientific education. In this article my concern is to explore the philosophical significance of psychological essentialism with respect to the relationship between the content of (...) our concepts and thoughts and the nature of the extra-cranial world. I will argue that, despite first appearances, psychological essentialism undermines a form of externalism that has become commonplace in the philosophy of mind and language. (shrink)

I develop and argue for a kind of externalism about certain kinds of non-doxastic attitudes that I call policy externalism. Policy externalism about a given type of attitude is the view that all the reasonable policies for having attitudes of that type will not involve the agent's beliefs that some relevant conditions obtain. My defense primarily involves attitudes like hatred, regret, and admiration, and has two parts: a direct deductive argument and an indirect linguistic argument, an inference (...) to the best explanation of some strange ways we use certain conditionals. The main thought throughout is that attitudes we reason with, like belief, are very different from attitudes we don't reason with, in a way that constrains the former but not the latter. Finally, I investigate some consequences of policy externalism, including that it secures the possibility of genuine conditional apologies. (shrink)

Psychiatry widely assumes an internalist biomedical model of mental illness. I argue that many of psychiatry’s diagnostic categories involve an implicit commitment to constitutive externalism about mental illness. Some of these categories are socially externalist in nature.

Temporal externalists expand Putnam’s and Burge’s semantic externalisms to argue that later uses of words transform the semantic significance of earlier uses. Conflicting intuitions about temporal externalism often turn on different conceptions of linguistic practice, which have mostly not been thematically explicated. I defend a version of temporal externalism that replaces the familiar regularist and normative-regulist conceptions of linguistic practice or use. This alternative identifies practices neither by regularities of use, nor by determinate norms governing their constituent performances, (...) but by the ways those performances bear upon and are accountable to one another. Performances are intelligible as part of a larger pattern of practice, but different performances extend that pattern in partially conflicting ways. The essentially anaphoric concepts of “issues” and “stakes” allow us to talk about how alternative extensions of past performance conflict or otherwise mis-align , and what differences it would make to extend the practice in one way rather than another . The result is to recognize both the interdependence of linguistic performances, and the open texture of concepts, by situating them within broader patterns of discursive interaction with changing circumstances. (shrink)

We distinguish and discuss two different accounts of the subject matter of theories of reference, meta-externalism and meta-internalism. We argue that a form of the meta- internalist view, “moderate meta-internalism”, is the most plausible account of the subject matter of theories of reference. In the second part of the paper we explain how this account also helps to answer the questions of what kind of concept reference is, and what role intuitions have in the study of the reference relation.

The analyses of the mind–world relation offered by transcendental idealists such as Husserl have often been dismissed with the argument that they remain committed to an outdated form of internalism. The first move in this paper will be to argue that there is a tight link between Husserl’s transcendental idealism and what has been called phenomenological externalism, and that Husserl’s endorsement of the former commits him to a version of the latter. Secondly, it will be shown that key elements (...) in Husserl’s transcendental idealism, including his rejection of representationalism and metaphysical realism, is shared with a number of prominent contemporary defenders of an externalist view on the mind. Ultimately, however, it will be suggested that the very alternative between internalism and externalism—an alternative based on the division between inner and outer—might be inapplicable when it comes to phenomenological conceptions of the mind–world relation. (shrink)

Joseph Mendola argues that internalism is true, and that there are no good arguments that support externalism. Anti-Externalism has three parts.

The Content Skeptic argues that a subject could not have introspective knowledge of a thought whose content is individuated widely. This claim is incorrect, relying on the tacit assumption that introspective knowledge differs significantly from other species of knowledge. The paper proposes a reliabilist model for understanding introspective knowledge according to which introspective knowledge is simply another species of knowledge, and according to which claims to introspective knowledge are not, as suggested by the Content Skeptic, defeated by the mere possibility (...) of error. This way of understanding introspective knowledge affords a robust theory of privileged access consistent with semantic externalism. (shrink)

Tyler Burge and other externalists about mental content have tried to accommodate privileged self-knowledge and to neutralize skepticism about one's ability to authoritatively know one's present thoughts. I show that, though Burgean compatibilism explains knowing it is p I believe, it doesn't explain how I can have privileged knowledge that the state I occupy is a state of believing rather than, say, a state of doubting. Moreover, given externalism, self-knowledge of attitudinal component is vulnerable to a certain kind of (...) error and so doesn't have the same kind of privilege as self-knowledge of current content. (shrink)

Semantic externalism is the view that meaning is at least partly determined by reference. This suggests that the classic philosophical distinction between truth in virtue of meaning alone and truth in virtue of the world may need reconsideration. If all sentences are true in virtue of reference it is difficult to see how we can distinguish some sentences from others as true in virtue of the world-independent, purely semantic entities that their truth-conditions involve. I argue, to the contrary, that (...) semantic externalism instead exposes significant problems with the orthodox view about meaning that underlies the orthodox view about analytic truth, and I offer an account of analyticity from the perspective of semantic externalism. On this view, the truth-value of analytic sentences will not be distinguished from those of synthetic sentences. The truth-conditions of an analytic sentence are, however, to be distinguished from what makes it "analytic". This account is one that revokes the customary world-independence of analytic sentences, but does not sacrifice their unique modal and epistemic features. (shrink)

Feldman and Conee (2001) observed that the term “internalism”, as used in epistemology, is ambiguous. It sometimes denotes the view that justification supervenes on factors within the thinker (“mentalism”), whereas at other times it refers to the view that justification is accessible to the thinker (“accessibilism”). As used in the debate about mental content, “internalism” corresponds to mentalism. Strikingly, however, it is the question of accessibilism that is the target of many internalist and externalist arguments. In this paper I argue (...) that the focus on thinkers’ access to their thoughts is misplaced. The debate between externalism and internalism hinges on the significance of external factors for rational relations between first-order thoughts, not on issues of accessibility. The shift away from issues of accessibility neutralizes both the “incompatibility” objection to externalism and the charge that internalism overestimates first-person access. The revised understanding of the debate supports a broadly Fregean approach to individuating cognitive values. I develop a version of this approach and defend it from a prominent externalist objection. Since this approach individuates cognitive values narrowly, my argument ultimately supports internalism. (shrink)

We sketch several variants of so-called “semantic externalism”, which we take to be prototypically embodied by Wittgenstein, Kripke and Burge respectively. Then, drawing inspiration from Putnam, we show how aspects of these different kinds of semantic externalism can be articulated with each other in the case of natural kind terms, and we suggest that this analysis could be extended to a larger set of words. When that is done, we turn to the core part of the paper, which (...) consists in a thorough discussion of the forms of “semantic deference” that can plausibly be associated with each brand of externalism. We suggest that the debates over the kinds of semantic externalism characteristic of different kinds of words can be clarified by investigating the kind of semantic deference they call for. (shrink)

I claim that there are four major strands of argument for externalism and set out to discuss three of them. The four are: (A) That referential thoughts are object-dependent. This I do not discuss. (B) That the semantics of natural kind terms is externalist. (C) That all semantic content, even of descriptive terms, stems from the causal relations of representations to the things or properties they designate in the external world. (D) That, because meaning is a social product and (...) no individual can capture the whole social practice that defines a concept, what the speaker means always outruns what he can know.I briefiy discuss (C) and (D) and conclude that they cannot be correct, because, if they were, the content of every thought would permanently transcend the refiective grasp of all thinkers. Then I discuss (B) and conclude that, though Putnam shows something interesting about natural kind terms -- namely that a real verbal definition requires science -- this has none of the consequences for philosophy of mind that it is normally supposed to have. (shrink)

The externalist says that your evidence could fail to tell you what evidence you do or not do have. In that case, it could be rational for you to be uncertain about what your evidence is. This is a kind of uncertainty which orthodox Bayesian epistemology has difficulty modeling. For, if externalism is correct, then the orthodox Bayesian learning norms of conditionalization and reflection are inconsistent with each other. I recommend that an externalist Bayesian reject conditionalization. In its stead, (...) I provide a new theory of rational learning for the externalist. I defend this theory by arguing that its advice will be followed by anyone whose learning dispositions maximize expected accuracy. I then explore some of this theory’s consequences for the rationality of epistemic akrasia, peer disagreement, undercutting defeat, and uncertain evidence. (shrink)

Psychological externalism is the thesis that the contents of many of a person's propositional mental states are determined in part by relations he bears to his natural and social environment. This thesis has recently been thrust into prominence in the philosophy of mind by a series of thought experiments due to Hilary Putnam and Tyler Burge. Externalism is a metaphysical thesis, but in this work I investigate its implications for the epistemology of the mental. I am primarily concerned (...) with the question whether externalism undermines the idea that a person typically knows the contents of her own thoughts, beliefs, and other propositional attitudes directly and authoritatively. I criticize arguments that have been advanced on behalf of a positive answer to this question, and argue that they rest on a faulty conception of the nature of first person authority, one which likens our access to our own minds to perception. An account of the basis of first person authority is sketched that locates our epistemic right to our self-ascriptions of propositional attitude not in our ability to discriminate among the various thought contents we might be thinking, but rather in our ability to express our thoughts, and to think with them in accordance with the norms of rationality. I consider also the question whether first person authority and externalism jointly make possible a refutation of certain forms of global skepticism, as has been famously argued by Putnam. I argue that Putnam's attempted refutation fails, because the crucial externalist claims that drive it are not knowable a priori. (shrink)

The main aim of this paper is to show that there is one version of supervenience of the mental on the physical which is entailed by token-token identity (I call this version change-supervenience); and to establish that of the other better known versions of supervenience in the literature (which I call difference-supervenience), none are so entailed. One consequence of this is that Burge's thought experiments while successful in refuting difference-supervenience cannot in themselves refute identity thesis. However, the introduction of change (...) supervenience leads me to devise an analogous thought experiment against change-supervenience, thus refuting identity thesis as well. (shrink)

Several prominent philosophers have argued that the fact that depressed agents sometimes make moral judgments without being appropriately motivated supports Humean externalism – the view that moral motivation must be explained in terms of desires that are distinct from or “external” to an agent’s motivationally inert moral judgments. This essay argues that such motivational failures do not, in fact, provide evidence for this view. I argue that, if the externalist argument from depression is to undermine a philo-sophically important version (...) of internalism, it must make use of a general assumption about motivational states. However, at a reasonable level of abstraction, the needed assumption also implies that even desires could not be effective sources of motivation. For, just as depressed agents might sometimes lack motivation to act consistently with their moral judgments, they also sometimes lack motivation to pursue their desires. Moreover, the most plausible responses that Humeans can give to this general argument undermine the externalist case against internalism. Thus, there is a deep tension between the argument from depression for externalism and a fundamental Humean commitment. (shrink)

According to social externalism, it is possible to possess a concept not solely in virtue of one’s intrinsic properties but also in virtue of relations to one’s linguistic community. Derek Ball (2009) argues, in effect, that (i) social externalism extends to our concepts of colour experience and (ii) this fact undermines both the knowledge argument against physicalism and the most popular physicalist response to it, known as the phenomenal concept strategy. I argue that Ball is mistaken about (ii) (...) even granting (i). The knowledge argument and the phenomenal concept strategy might have to be modified to make them consistent with social externalism, but not in fundamental or detrimental ways. (shrink)

This paper examines some of the interactions between holism, contextualism, and externalism, and will argue that an externalist metasemantics that grounds itself in certain plausible assumptions about self- knowledge will also be a contextualist metasemantics, and that such a contextualist metasemantics in turn resolves one of the best known problems externalist theories purportedly have with self-knowledge, namely the problem of how the possibility of various sorts of ‘switching’ cases can appear to undermine the ‘transparency’ of our thoughts (in particular, (...) our ability to tell, with respect to any two occurrent thoughts, whether they exercise the same or different concepts). (shrink)