People can be taught to manipulate symbols according to formal mathematical and logical rules. Cognitive scientists have traditionally viewed this capacity—the capacity for symbolic reasoning—as grounded in the ability to internally represent numbers, logical relationships, and mathematical rules in an abstract, amodal fashion. We present an alternative view, portraying symbolic reasoning as a special kind of embodied reasoning in which arithmetic and logical formulae, externally represented as notations, serve as targets for powerful perceptual and sensorimotor systems. Although symbolic reasoning often (...) conforms to abstract mathematical principles, it is typically implemented by perceptual and sensorimotor engagement with concrete environmental structures. (shrink)

Lady Mary Shepherd holds that the relation of cause and effect consists of the combination of two objects to create a third object. She also holds that this account implies that causes are synchronous with their effects. There is a single instant in which the objects that are causes combine to create the object which is their effect. Hume argues that cause and effect cannot be synchronous because if they were then the entire chain of successive causes and effects would (...) all collapse into a single moment, and succession would not be possible. I argue that Shepherd has a ready, although implicit response, to Hume’s argument. Since causation is combination on Shepherd’s view, she is free to hold that there are times in between those instants in which combinations occur, during which times other, non-combinatory changes occur, which changes account for succession. (shrink)

Kant’s Inferentialism draws on a wide range of sources to present a reading of Kant’s theory of mental representation as a direct response to the challenges issued by Hume in A Treatise of Human Nature. Kant rejects the conclusions that Hume draws on the grounds that these are predicated on Hume’s theory of mental representation, which Kant refutes by presenting objections to Hume’s treatment of representations of complex states of affairs and the nature of judgment. In its place, Kant combines (...) an account of concepts as rules of inference with a detailed account of perception and of the self as the locus of conceptual norms to form a complete theory of human experience as an essentially rule-governed enterprise aimed at producing a representation of the world as a system of objects necessarily connected to one another via causal laws. This interpretation of the historical dialectic enriches our understanding of both Hume and Kant and brings to bear Kant’s insights into mental representation on contemporary debates in philosophy of mind. Kant’s version of inferentialism is both resistant to objections to contemporary accounts that cast these as forms of linguistic idealism, and serves as a remedy to misplaced Humean scientism about representation. (shrink)

Hume’s arguments in the Treatise require him to employ not only the copy principle, which explains the intrinsic properties of perceptions, but also a thesis that explains the representational content of a perception. I propose that Hume holds the semantic copy principle, which states that a perception represents that of which it is a copy. Hume employs this thesis in a number of his most important arguments, and his doing so enables him to answer an important objection concerning the status (...) of the copy principle. I further argue that the semantic copy principle is necessary, a priori, and discovered through an analysis of our general idea of representational content. (shrink)

Despite their importance in public discourse, numbers in the range of 1 million to 1 trillion are notoriously difficult to understand. We examine magnitude estimation by adult Americans when placing large numbers on a number line and when qualitatively evaluating descriptions of imaginary geopolitical scenarios. Prior theoretical conceptions predict a log-to-linear shift: People will either place numbers linearly or will place numbers according to a compressive logarithmic or power-shaped function (Barth & Paladino, ; Siegler & Opfer, ). While about half (...) of people did estimate numbers linearly over this range, nearly all the remaining participants placed 1 million approximately halfway between 1 thousand and 1 billion, but placed numbers linearly across each half, as though they believed that the number words “thousand, million, billion, trillion” constitute a uniformly spaced count list. Participants in this group also tended to be optimistic in evaluations of largely ineffective political strategies, relative to linear number-line placers. The results indicate that the surface structure of number words can heavily influence processes for dealing with numbers in this range, and it can amplify the possibility that analogous surface regularities are partially responsible for parallel phenomena in children. In addition, these results have direct implications for lawmakers and scientists hoping to communicate effectively with the public. (shrink)

Scholars have rejected Wilfrid Sellars’ argument for an ontology of absolute processes on the grounds that it relies on a dubious and dogmatic appeal to the homogeneity of color. Borrowing from Rosenthal’s recent defense, but ultimate rejection of homogeneity, I defend this claim of on Sellarsian/Kantian transcendental grounds, and reconstruct the remainder of his argument. I argue that Sellars has good reason to suppose that homogeneity is a necessary condition of any possible experience, including indirect experience of theoretical-explanatory posits, and (...) therefore good reason to hold that Reductive Materialism, as he conceives it, is an untenable account of color. The remainder of his argument aims to answer the question of what the metaphysical relation is between the state of an experiencing subject that we take color to be and the colorless microphysical particles that we take to constitute that subject. After rejecting Substance Dualism, Epiphenomenalism, and Wholistic or Emergent Materialism as explanatorily inadequate, Sellars proposes that both color-states and micro-physical particles should be understood as manifestations of an underlying ontology on absolute processes. (shrink)

Scholars working on Kant’s Anticipations of Perception generally attribute to Kant an argument that invalidly infers that objects have degrees of intensive magnitude from the purported fact that sensations do. I argue that this rests on an incorrect disambiguation of Kant’s use of Empfindung (sensation) as referring to the mental states that are our sensings, rather than the objects that are thereby sensed. Kant’s real argument runs as follows. There is a difference between a representation of an empty region of (...) space and/or time and a representation of that same region as occupied by an object. Both have the same extensive magnitude. Thus, in addition to their extensive magnitude, objects must be represented as having a qualitative matter. This implies the possibility of varying an object’s (intensive) magnitude independently of variations in its extensive magnitude. Since it is the presence of sensation in a cognition that marks the difference between representing only the spatiotemporal form (extensive magnitude) of the object and representing the object as a whole, it is sensation that represents its intensive magnitude. (shrink)

No Abstract In his graduate-seminar lectures on Kant—published as Kant and Pre-Kantian Themes (Sellars, 2002)—Wilfrid Sellars argues that because Hume cannot distinguish between a vivacious idea and an idea of something vivacious he cannot account for the human ability to represent temporally complex states of affairs. The first section of this paper aims to show that this argument is not properly aimed at the historical Hume who can, on a proper reading, distinguish these kinds of representations. This is not, however, (...) Sellars’ only argument for this conclusion. The next section of this paper continues with a discussion of an argument that Sellars presents on Kant’s behalf in Science and Metaphysics, and its key Kantian premise that, contra Hume, only conceptual representations can represent any complex states of affairs as such. The conclusion of this discussion is that Sellars does indeed present compelling reasons for rejecting a Humean account, reasons centered on the ambiguity of the associative structure of mental representation (which Sellars subsequently replaces with inferential structure). The paper concludes with an examination of the sense in which non-conceptual representations—such as those that Hume considers—represent and the role that these play in conceptual representation for both Sellars and Kant. (shrink)

Growing ties to private industry have prompted many to question the impartiality of academic bioethicists who receive financial support from for-profit corporations in exchange for ethics-related services and research. To the extent that corporate sponsors may view bioethics as little more than a way to strengthen public relations or avoid potential controversy, close ties to industry may pose serious threats to professional independence. New sources of support from private industry may also divert bioethicists from pursuing topics of greater social importance, (...) such as the needs of medically underserved communities. To inform ongoing debates about the financing of bioethics and its transparency to those concerned about potential sources of bias, we examined funding disclosures appearing in original research reports in major bioethics journals. Reviewing research published over a 15-year period, we found little evidence that for-profit corporations are influencing bioethics research directly. Instead, we found evidence that a great number of organizations, both public and private, support bioethics research. These findings suggest that worries about the cooption of bioethics research by a few interested stakeholders are greatly overstated and undersupported by available data. (shrink)

Constantine Sandis's suggestive new book consists of a series of discrete studies of aspects of Hume's philosophical system that culminate in an argument for the conclusion that "on Hume's view... we are only morally responsible for that subset of actions that have been motivated by our character traits". That final conclusion is the end of a wide-ranging and systematic argument that feels too compressed in the scant one-hundred and twenty-three pages in which it is presented, especially since the philosophical and (...) exegetical theses that Sandis presents along the way are intriguing and receive just enough support to make the reader long for a more robust consideration of them.Sandis's grand argument begins... (shrink)

according to hume’s theory of general representation, we represent generalities by associating certain ideas with certain words. On one prominent understanding of this theory, calling things by one name or another does not represent any real qualities of those things or any real relations between them. This interpretation runs into difficulty when we turn our attention to Hume’s own use of such general terms throughout the Treatise. It would seem that Hume’s own distinctions—such as the impression-idea distinction and simple-complex distinction—require (...) that the items so.. (shrink)

In a recent paper, Karl Schafer argues that Hume's theory of mental representation has two distinct components, unified by their shared feature of having accuracy conditions. As Schafer sees it, simple and complex ideas represent the intrinsic imagistic features of their objects whereas abstract ideas represent the relations or structures in which multiple objects stand. This distinction, however, is untenable for at least two related reasons. Firstly, complex ideas represent the relations or structures in which the impressions that are the (...) objects of their simple components stand. Secondly, abstract ideas are themselves instances of complex ideas. I draw two important conclusions from these facts. Firstly, contra Schafer and Garrett, the Copy Principle, properly emended, constitutes the entirety of Hume's theory of mental representation. Secondly, whereas paradigm examples of complex ideas, e.g. ideas of spatial and temporal complexes, are structured by relations of contiguity, abstract ideas are those complex ideas instead structured by relations of resemblance. As such, they represent their objects not as spatially or temporally contiguous but rather as resembling. (shrink)

Understanding the distinction between impressions and ideas that Hume draws in the opening paragraphs of his A Treatise on Human Nature is essential for understanding much of Hume’s philosophy. This, however, is a task that has been the cause of a good deal of controversy in the literature on Hume. I here argue that the significant philosophical and exegetical issues previous treatments of this distinction (such as the force and vivacity reading and the external-world reading) encounter are extremely problematic. I (...) propose an alternative reading of this distinction as being between original mental entities and copied mental entities. I argue that Hume takes himself to discover this distinction as that which underlies our pre-theoretical sorting of mental entities. Thus, while the Copy Principle is initially treated by Hume as a mere empirical fact, it later comes to play a more substantial explanatory role in his account of human nature. This reading makes Hume’s distinction a more philosophically robust one, and avoids many of the exegetical difficulties of previous interpretations. (shrink)

In A Treatise of Human Nature, Hume attempts to explain all human cognition in terms of impressions, ideas, and their qualities, behaviors, and relations. This explanation includes a complicated attempted reduction of beliefs, or judgments, to single ideas. This paper attempts to demonstrate one of the inadequacies of this approach, and any of its kind (any attempted reduction of judgments to their constituent parts, single or multiple) via an argument concerning the logical forms of judgment found implicitly in Kant's Critique (...) of Pure Reason, and more explicitly in the works of Wilfrid Sellars. (shrink)

One recent trend in Kant scholarship has been to read Kant as undertaking a project in philosophical semantics, as opposed to, say, epistemology, or transcendental metaphysics. This trend has evolved almost concurrently with a debate in contemporary philosophy of mind about the nature of concepts and their content. Inferentialism is the view that the content of our concepts is essentially inferentially articulated, that is, that the content of a concept consists entirely, or in essential part, in the role that that (...) concept plays in a system of inferences. By contrast, relationalism is the view that this content is fixed by a mental or linguistic item's standing in a certain relation to its object. The historical picture of Kant and the contemporary debate about concepts intersect in so far as contemporary inferentialists about conceptual content often cite Immanuel Kant not only as one of the founding fathers of a tradition that leads more or less straightforwardly to contemporary inferentialism, but also as the philosopher who first saw the fatal flaws in any attempt to articulate the content of our concepts relationally. (shrink)

In Kant, Science, and Human Nature, Robert Hanna argues against a version of scientific realism founded on the Kripke/Putnam theory of reference, and defends a Kant-inspired manifest realism in its place. I reject Kriple/Putnam for different reasons than Hanna does, and argue that what should replace it is not manifest realism, but Kant‘s own scientific realism, which rests on a radically different theory of reference. Kant holds that we picture manifest objects by uniting manifolds of sensation using concepts-qua-inferential-rules. When these (...) rules are demonstrated to be invalid, we replace the picture of the macroscopic world with a picture of the microscopic entities of theoretical science that unites the very same manifolds using different rules of inference. Thus, we refer to "unobservable" theoretical entities in the same way that we do manifest ones: by specifying both their determinate location in space and time and the concepts by which they are understood. (shrink)

How do people stretch their understanding of magnitude from the experiential range to the very large quantities and ranges important in science, geopolitics, and mathematics? This paper empirically evaluates how and whether people make use of numerical categories when estimating relative magnitudes of numbers across many orders of magnitude. We hypothesize that people use scale words—thousand, million, billion—to carve the large number line into categories, stretching linear responses across items within each category. If so, discontinuities in position and response time (...) are expected near the boundaries between categories. In contrast to previous work that suggested only that a minority of college undergraduates employed categorical boundaries, we find that discontinuities near category boundaries occur in most or all participants, but that accurate and inaccurate participants respond in opposite ways to category boundaries. Accurate participants highlight contrasts within a category, whereas inaccurate participants adjust their responses toward category centers. (shrink)

ABSTRACTThe ‘City of David’ in Silwan is on the original site of Jerusalem. Located in Israeli-occupied East Jerusalem, it is both an illegal Israeli settlement in a Palestinian neighbourhood and a popular international tourist destination. This article examines how the site is narrated by tour operators and tourists through fieldwork, interviews and analysis of tourist comments on the TripAdvisor site. It argues that Israeli settlers have successfully harnessed tourist discourse in order to present their vision of a Jewish Jerusalem in (...) which Palestinian existence is ignored or treated as a threat. The site allows tourists to connect to and experience a mythical biblical past, something which answers to tourist desires to have an authentic encounter with the destination culture. In the site’s narratives, the presence of Palestinians in the area is elided over through spatial and linguistic separation and by denying their legitimate presence. This indicates how the congruence between Zionist and tourist discourses discursively legitimises Israeli colonisation of Silwan. (shrink)

The contributions to this special issue on cognitive development collectively propose ways in which learning involves developing constraints that shape subsequent learning. A learning system must be constrained to learn efficiently, but some of these constraints are themselves learnable. To know how something will behave, a learner must know what kind of thing it is. Although this has led previous researchers to argue for domain-specific constraints that are tied to different kinds/domains, an exciting possibility is that kinds/domains themselves can be (...) learned. General cognitive constraints, when combined with rich inputs, can establish domains, rather than these domains necessarily preexisting prior to learning. Knowledge is structured and richly differentiated, but its “skeleton” must not always be preestablished. Instead, the skeleton may be adapted to fit patterns of co-occurrence, task requirements, and goals. Finally, we argue that for models of development to demonstrate genuine cognitive novelty, it will be helpful for them to move beyond highly preprocessed and symbolic encodings that limit flexibility. We consider two physical models that learn to make tone discriminations. They are mechanistic models that preserve rich spatial, perceptual, dynamic, and concrete information, allowing them to form surprising new classes of hypotheses and encodings. (shrink)

I here discuss Hegel's rule-following considerations as they are found in the first four chapters of his Phenomenology of Spirit. I begin by outlining a number of key premises in Hegel's argument that he adopts fairly straightforwardly from Kant's Transcendental Deduction. The most important of these is that the correctness or incorrectness of one's application of a rule must be recognizable as such to the rule-follower. Supplementing Hegel's text as needed, I then argue that it is possible for an experiencing (...) subject to follow a rule only where there is a community of individuals whose agreement can provide a standard for the correctness and incorrectness of his use. I further argue that a community must consist of members that are compresent, and thus that a collection of time-slices of an individual will not serve this purpose. I conclude by raising a potential problem for Hegel's account of rule-following concerning the correctness and incorrectness of the judgments of a community, and pointing to a possible line of response to this problem. (shrink)

Eliminative materialism is a popular view of the mind which holds that propositional attitudes, the typical units of our traditional understanding, are unsupported by modern connectionist psychology and neuroscience, and consequently that propositional attitudes are a poor scientific postulate, and do not exist. Since our traditional folk psychology employs propositional attitudes, the usual argument runs, it too represents a poor theory, and may in the future be replaced by a more successful neurologically grounded theory, resulting in a drastic improvement in (...) our interpersonal relationships. I contend that these eliminativist arguments typically run together two distinct capacities: the folk psychological mechanisms which we use to understand one another, and scientific and philosophical guesses about the structure of those understandings. Both capacities are ontologically committed and therefore empirical. However, the commitments whose prospects look so dismal to the eliminativist, in particular the causal and logical image of propositional attitudes, belong to the guesses, and not necessarily to the underlying mechanisms. It is the commitments of traditional philosophical perspectives about the operation of our folk psychology which are contradicted by?new evidence and modeling methods in connectionist psychology. Our actual folk psychology was not clearly committed to causal, sentential propositional attitudes, and thus is not directly threatened by connectionist psychology. (shrink)

In his, ‘Descartes' Ontology of Thought’, Alan Nelson presents, on Descartes' behalf, a compositional theory of mental representation according to which the content of any mental representation is either simple or is entirely constituted by a combination of innate simples. Here the simples are our ideas of God, thought, extension, and union. My objection will be that it is simply ludicrous to think that any four simples are adequate to the task of combining to constitute all of human thought, and (...) that the simples God, thought, extension, and union are particularly ill suited to it. (shrink)

Though Sellars often criticizes Hume, Hume's treatment of theoretical entities turns out to have more in common with Sellars' view of them than with the view of the logical positivists who claimed Hume as their predecessor.

In a recent paper, Robert Hanna argues that Kant's incongruent counterparts example can be mobilized to show that some mental representations, which represent complex states of affairs as complex, do so entirely non-conceptually. I will argue that Hanna is right to see that Kant uses incongruent counterparts to show that there must be a non-conceptual component to cognition, but goes too far in concluding that there must be entirely non-conceptual representations that represent objects as existing in space and time. Kant (...) is deeply committed to the thesis that no representation of a complex state of affairs as complex can be entirely non-conceptual. For Kant, all representations of complex states of affairs as complex (including those of incongruent counterparts) are conceptually structured. I present an interpretation of the Transcendental Aesthetic according to which Kant not only aims at Leibnizian and Newtonian accounts of space and time, but also Hume's. Hume's account fails to make representations of complex states of affairs sufficiently determinate. Kant offers an account later in the Critique that is meant to correct this failing by requiring that all representations of complex states of affairs as complex be conceptually (inferentially) structured. (shrink)

Across a series of papers and again in her recent book, Graciela De Pierris has argued that Hume is what she calls an inductivist about the methods of science. De Pierris takes Hume to follow Newton in holding that the ultimate aim of science is to seek "assurance concerning objects, which are removed from the present testimony of our memory and senses",1 and its method therefore to consist in the subsumption of observable particulars under inductively-established universal generalizations. As De Pierris (...) puts it, "[t]he central idea of the Newtonian inductive method, as summarized in his Rules, is that exceptionless or nearly exceptionless universal laws are inductively derived from 'manifest... (shrink)

Book Reviews David Landy, Kantian Review, FirstView Article.

Book Reviews David Landy, Kantian Review, FirstView Article.

The American Journal of Bioethics, Volume 12, Issue 5, Page 20-22, May 2012.

Growing ties to private industry have prompted many to question the impartiality of academic bioethicists who receive financial support from for-profit corporations in exchange for ethics-related services and research. To the extent that corporate sponsors may view bioethics as little more than a way to strengthen public relations or avoid potential controversy, close ties to industry may pose serious threats to professional independence. New sources of support from private industry may also divert bioethicists from pursuing topics of greater social importance, (...) such as the needs of medically underserved communities. To inform ongoing debates about the financing of bioethics and its transparency to those concerned about potential sources of bias, we examined funding disclosures appearing in original research reports in major bioethics journals. Reviewing research published over a 15-year period, we found little evidence that for-profit corporations are influencing bioethics research directly. Instead, we found evidence that a great number of organizations, both public and private, support bioethics research. These findings suggest that worries about the cooption of bioethics research by a few interested stakeholders are greatly overstated and undersupported by available data. (shrink)

Hume’s Science of Human Nature is an investigation of the philosophical commitments underlying Hume's methodology in pursuing what he calls ‘the science of human nature’. It argues that Hume understands scientific explanation as aiming at explaining the inductively-established universal regularities discovered in experience via an appeal to the nature of the substance underlying manifest phenomena. For years, scholars have taken Hume to employ a deliberately shallow and demonstrably untenable notion of scientific explanation. By contrast, Hume’s Science of Human Nature sets (...) out to update our understanding of Hume’s methodology by using a more sophisticated picture of science as a model. (shrink)