This paper joins the voices warning against hasty transference of legal concepts of presumption to other kinds of argumentation, especially to deliberation about future acts and policies. Comparison of the pragmatics which respectively constitute the illocutionary acts of accusing and proposing reveals important differences in the ways presumptions prompt accusers and proposers to undertake probative responsibilities and, also, points to corresponding differences in their probative duties. This comparison has theoretically important implication regarding the norms governing persuasive argumentation. The paper is (...) based on a broadly Gricean account of speech acts. (shrink)

A motivational system approach to avoidance behavior is presented. According to this approach, a motivational state increases the probability of relevant response patterns and establishes the appropriate or “ideal” consummatory stimuli as positive reinforcers. In the case of feeding motivation, for example, hungry rats are likely to explore and gnaw, and to learn to persist in activities correlated with the reception of consummatory stimuli produced by ingestion of palatable substances. In the case of defense motivation, fearful rats are likely to (...) flee or freeze, and to learn to persist in activities correlated with consummatory stimuli produced by flight from a dangerous place. Defense system activation is distinct from alarm reactions. The latter prepare the animal for probable noxious events, involve relatively intense negative affect and extinguish rapidly in situations where the noxious event no longer occurs. In contrast, defense system activation potentiates innate and modified defense reactions, thus preparing the animal for possible, but not necessarily probable, noxious events; it involves little or no negative affect and extinguishes very slowly when the noxious event no longer occurs. With these assumptions and the resulting model we attempt to resolve several long-standing problems in avoidance learning, including the low correlation between negative affect and avoidance performance, differential rates of extinction for avoidance performance and conditioned emotional responses, and evidence that some avoidance responses are much more easily learned than others. In addition, the model has implications for the study of parallels between appetitive and aversive motivation, sign tracking in aversive conditioning, and orientation of flight responses. Historical antecedents and alternative approaches are discussed. (shrink)

In this review, two significant works published in e-book format demand the attention of Rand scholars: Roger E. Bissell's book How the Martians Discovered Algebra: Explorations in Induction and the Philosophy of Mathematics and Michelle Marder Kamhi's Who Says That's Art? A Commonsense View of the Visual Arts. Covering wildly different territory, the two works make an important contribution to the literature.

For much of its history, philosophy was not merely a theoretical discipline but a way of life, an "art of living." This practical aspect of philosophy has been much less dominant in modernity than it was in ancient Greece and Rome, when philosophers of all stripes kept returning to Socrates as a model for living. The idea of philosophy as an art of living has survived in the works of such major modern authors as Montaigne, Nietzsche, and Foucault. Each of (...) these writers has used philosophical discussion as a means of establishing what a person is and how a worthwhile life is to be lived. In this wide-ranging, brilliantly written account, Alexander Nehamas provides an incisive reevaluation of Socrates' place in the Western philosophical tradition and shows the importance of Socrates for Montaigne, Nietzsche, and Foucault. Why does each of these philosophers—each fundamentally concerned with his own originality—return to Socrates as a model? The answer lies in the irony that characterizes the Socrates we know from the Platonic dialogues. Socratic irony creates a mask that prevents a view of what lies behind. How Socrates led the life he did, what enabled or inspired him, is never made evident. No tenets are proposed. Socrates remains a silent and ambiguous character, forcing readers to come to their own conclusions about the art of life. This, Nehamas shows, is what allowed Montaigne, Nietzsche, and Foucault to return to Socrates as a model without thereby compelling them to imitate him. This highly readable, erudite study argues for the importance of the tradition within Western philosophy that is best described as "the art of living" and casts Montaigne, Nietzsche, and Foucault as the three major modern representatives of this tradition. Full of original ideas and challenging associations, this work will offer new ways of thinking about the philosophers Nehamas discusses and about the discipline of philosophy itself. (shrink)

It remains a standing problem how and why the first nervous systems evolved. Molecular and genomic information is now rapidly accumulating but the macroscopic organization and functioning of early nervous systems remains unclear. To explore potential evolutionary options, a coordination centered view is discussed that diverges from a standard input–output view on early nervous systems. The scenario involved, the skin brain thesis, stresses the need to coordinate muscle-based motility at a very early stage. This paper addresses how this scenario with (...) its focus on coordination also deals with sensory aspects. It will be argued that the neural structure required to coordinate extensive sheets of contractile tissue for motility provides the starting point for a new multicellular organized form of sensing. Moving a body by muscle contraction provides the basis for a multicellular organization that is sensitive to external surface structure at the scale of the animal body. Instead of thinking about early nervous systems as being connected to the environment merely through input and output, the implication developed here is that early nervous systems provide the foundation for a highly specific animal sensorimotor organization in which neural activity directly reflects bodily and environmental spatiotemporal structure. While the SBT diverges from the input–output view, it is closely linked to and supported by ongoing work on embodied approaches to intelligence to which it adds a new interpretation of animal embodiment and sensorimotor organization. (shrink)

This paper criticizes the role of intuition-based ascriptions of cognition that are closely related to the ascription of mind. This practice hinders the explication of a clear and stable target domain for the cognitive sciences. To move forward, the proposal is to cut the notion of cognition free from such ascriptions and the intuition-based judgments that drive them. Instead, cognition is reinterpreted and developed as a scientific concept that is tied to a material domain of research. In this reading, cognition (...) becomes a changeable theoretical concept that can and must be adapted to the findings within this target domain. Taking humans as the best-established existing example of the relevant material target domain, this central case is extended to include all living systems. To clarify what it is about living systems that warrants their role as cognitive target domain, the new concept of cobolism is introduced as a complement to metabolism. Cobolism refers to the systematic ways in which each living system encompasses structures, processes and external events that maintain the fundamental metabolic processes that constitute the core of each living system. Cobolism is perfectly general, applies to bacterial and human cases alike, and provides a general format to describe wildly different cognitive organizations. It provides a clear target for the cognitive sciences to work on, turning them into what we can call the cognitive life sciences. (shrink)

Godfrey-Smith’s environmental complexity thesis is most often applied to multicellular animals and the complexity of their macroscopic environments to explain how cognition evolved. We think that the ECT may be less suited to explain the origins of the animal bodily organization, including this organization’s potentiality for dealing with complex macroscopic environments. We argue that acquiring the fundamental sensorimotor features of the animal body may be better explained as a consequence of dealing with internal bodily—rather than environmental complexity. To press and (...) elucidate this option, we develop the notion of an animal sensorimotor organization that derives from an internal coordination account for the evolution of early nervous systems. The ASMO notion is a reply to the question how a collection of single cells can become integrated such that the resulting multicellular organization becomes sensitive to and can manipulate macroscopic features of both the animal body and its environment. In this account, epithelial contractile tissues play the central role in the organization behind complex animal bodies. In this paper, we relate the ASMO concept to recent work on epithelia, which provides empirical evidence that supports central assumptions behind the ASMO notion. Second, we discuss to what extent the notion applies to basic animal architectures, exemplified by sponges and jellyfish. We conclude that the features exhibited by the ASMO are plausibly explained by internal constraints acting on and within this multicellular organization, providing a challenge for the role the ECT plays in this context. (shrink)

The Sphex story is an anecdote about a female digger wasp that at first sight seems to act quite intelligently, but subsequently is shown to be a mere automaton that can be made to repeat herself endlessly. Dennett and Hofstadter made this story well known and widely influential within the cognitive sciences, where it is regularly used as evidence that insect behavior is highly rigid. The present paper discusses the origin and subsequent empirical investigation of the repetition reported in the (...) Sphex story. The repetition was first observed by Henri Fabre in 1879, and the last empirical study I found was published in 1985. In contrast to the story's clear message, the actual results have always been equivocal: the endless repetition is not standard. In addition, this repetition itself has become a minor aside in the literature on digger wasps when put in the perspective of many other examples of adaptiveness and flexibility. Nevertheless, the story and its message have to this day persevered within the cognitive sciences. For some reason, the counterevidence has been neglected time and again. The paper closes by presenting two different but compatible hypotheses that could explain why humans keep repeating this particular anecdote. (shrink)

A discussion is going on in cognitive science about the use of representations to explain how intelligent behavior is generated. In the traditional view, an organism is thought to incorporate representations. These provide an internal model that is used by the organism to instruct the motor apparatus so that the adaptive and anticipatory characteristics of behavior come about. So-called interactionists claim that this representational specification of behavior raises more problems than it solves. In their view, the notion of internal representational (...) models is to be dispensed with. Instead, behavior is to be explained as the intricate interaction between an embodied organism and the specific make up of an environment. The problem with a non-representational interactive account is that it has severe difficulties with anticipatory, future oriented behavior. The present paper extends the interactionist conceptual framework by drawing on ideas derived from the study of morphogenesis. This extended interactionist framework is based on an analysis of anticipatory behavior as a process which involves multiple spatio-temporal scales of neural, bodily and environmental dynamics. This extended conceptual framework provides the outlines for an explanation of anticipatory behavior without involving a representational specification of future goal states. (shrink)

As is well known, the Humean account of causal inference gives a central location to inference habits. Some of these habits one can discipline. Thus, one can so discipline oneself as to reason in accordance with the “rules by which to judge of causes and effects”, that is, one can discipline oneself to think scientifically, rather than, say, in accordance with the rules of prejudice, or of superstition. All such judgments, even those of science, are, however, upon the Humean account (...) fallible. Some, or rather very many, have raised the issue about how any such causal judgment or inference is justified. That is, how can such inference habits be justified, shown to be reasonable. Hume meets this challenge by arguing that there are some habits all men do and must have. Because we must have them we ought to have them. They are, therefore, justified. (shrink)

The paper shows that for any invalid polysyllogism there is a procedure for constructing a model with a domain with exactly three members and an interpretation that assigns non-empty, non-universal subsets of the domain to terms such that the model invalidates the polysyllogism.

We submit a normative pragmatic theory of exhorting—an account of conceptually necessary and potentially efficacious components of a coherent strategy for securing a sympathetic hearing for efforts to urge and inspire addressees to act on high-minded principles. Based on a Gricean analysis of utterance-meaning, we argue that the concept of exhorting comprises making statements openly urging addressees to perform some high-minded, principled course of action; openly intending to inspire addressees to act on the principles; and intending that addressees’ recognition of (...) the intentions to urge and inspire creates reasons for addressees to grant a sympathetic hearing to what the speaker has to say. We show that the theory accounts for the design of Abraham Lincoln’s Cooper Union address. By doing so we add to the inventory of reasons why social actors make arguments, continue a line of research showing the relationship of arguing to master speech acts, and show that making arguments can be an effective strategy for inspiring principled action. (shrink)

The pragmatics underlying Paul Grice’s analysis of utterance-meaning provide a powerful framework for investigating the commitments arguers undertake. Unfortunately, the complexity of Grice’s analysis has frustrated appropriate reliance on this important facet of his work. By explicating Cicero’s use of apostrophe in his famous “First Catilinarian” this essay attempts to show that a full complex of reflexive gricean speaker intentions in essentially to seriously saying and meaning something.

It has been argued that Hume's account of testimony is seriously inadequate: an autonomous knower of the sort Hume defends cannot, through simple inductive methods, justify accepting another's testimony as true. This conclusion is no doubt correct. But Hume does not defend the idea of an autonomous knower, nor does he defend relying upon simple inductive methods. An examination of Hume's critique of Descartes’ method of doubt shows him as a defender of what might be called the responsible knower, and (...) reveals the sophistication of the inductive methods he wishes to defend. It is shown that Hume can and does use these methods to justify accepting the testimony of others. (shrink)

Kants Vernunftkritik hat das Wissen zugunsten des Glaubens aufgehoben. Angeregt vor allem durch F.H. Jacobi, wird das Verhältnis von Glauben und Vernunft in der Philosophie nach Kant erneut zu einem zentralen Thema. Zur Entscheidung stehen die Fragen, ob der Glaube das Fundament von Wissen sein kann, ob der Glaube eine Grenze der Vernunft markiert oder ob eine absolut ges.

Cognitive science's basic premises are under attack. In particular, its focus on internal cognitive processes is a target. Intelligence is increasingly interpreted, not as a matter of reclusive thought, but as successful agent-environment interaction. The critics claim that a major reorientation of the field is necessary. However, this will only occur when there is a distinct alternative conceptual framework to replace the old one. Whether or not a serious alternative is provided is not clear. Among the critics there is some (...) consensus, however, that this role could be fulfilled by the concept of a 'behavioral system'. This integrates agent and environment into one encompassing general system. We will discuss two contexts in which the behavioral systems idea is being developed. Autonomous Agents Research is the enterprise of building behavior-based robots. Dynamical Systems Theory provides a mathematical framework well suited for describing the interactions between complex systems. We will conclude that both enterprises provide important contributions to the behavioral systems idea. But neither turns it into a full conceptual alternative which will initiate a major paradigm switch in cognitive science. The concept will need a lot of fleshing out before it can assume that role. (shrink)

Table of Contents 1 Policy-making, prediction and the theory of international behaviour 5 2 Social science, naturalism and scientific realism 33 3 Theory, observation and law 63 4 Natural causation, social action and international politics 87 5 Prediction, theory and policy-making 126 6 Explaining agreement and disagreement in the natural sciences and social sciences 172 7 Conclusions 207.

Aristotle's syllogistic is extended to include denumerably many quantifiers such as 'more than 2/3' and 'exactly 2/3.' Syntactic and semantic decision procedures determine the validity, or invalidity, of syllogisms with any finite number of premises. One of the syntactic procedures uses a natural deduction account of deducibility, which is sound and complete. The semantics for the system is non-classical since sentences may be assigned a value other than true or false. Results about symmetric systems are given. And reasons are given (...) for claiming that syllogistic validity is relevant validity. (shrink)

There are scientific theories that can be tested only through the use of instruments. Thus, we use, for example, instruments such as microscopes, telescopes, Wilson cloud chambers, and so on, to test theories. This use of instruments in science has been pointed out often by philosophers of science, who then correctly draw the conclusion that what is tested is not so much a single theory T but rather a conjunction.

Bergmann has proposed an ontology that contains an entity many find strange: particularity. And in fact, Bergmann, too, seems to find it strange. He proposes a phenomenological method in ontology, and holds, as he therefore should, that particularity is presented. Nonetheless, he also holds that it is ineffable, that its presence in a particular is an unsayable state of affairs, and that it is something which is not a thing and yet is also not nothing. Bergmann’s position has been long (...) developing, but especially in three recent essays. The aim of the present essay is to explore these views. We shall examine Bergmann’s method, and some criticisms of it by Rosenberg, in order to see whether we cannot get a better grasp of particularity. Specifically, we shall try to see whether it is not, after all, effable. It will turn out that this disagreement on the effability of particularity is really three disagreements: one concerning whether a particular can be thought apart from particularity, a second concerning the analysis of intentionality, and a third concerning whether, in the ontologically important sense of ‘different’, entities that are different are separable. (shrink)

In this article, I shall contend that Rawlsian public reason liberalism (PRL) is in tension with non-anthropocentric environmentalism. I will argue that many reasonable citizens reject non-anthropocentric values, and PRL cannot allow them to be used as the justification for ecological policies. I will analyse attempts to argue that PRL can incorporate non-anthropocentric ideas. I shall consider the view, deployed by theorists such as Derek Bell and Mark A. Michael, that PRL can make a distinction between constitutional essentials and non-essentials, (...) and therefore ecocentric values can be employed when only non-essentials are at stake. I will also consider Simon Hailwood’s argument that PRL can incorporate concern for nature based on its ‘otherness’. I shall conclude that both positions fail to rebut the claim that PRL excludes non-anthropocentric viewpoints. I will consider the question of whether PRL’s exclusion of non-anthropocentric ethics is a problem, and I shall show that appealing to purely anthropocentric arguments leads to a variety of unpalatable conclusions. I will suggest that comprehensive liberalism can include non-anthropocentric concerns, and hence is superior from an environmental perspective. (shrink)

Recent research on visual mental imagery plays an important role for the study of visual hallucinations. Not only are mental images involved in various cognitive processes, but they also share many processes with visual perception. However, we rarely confuse mental images with percepts, and recent neuroimaging studies shed light on the mechanisms that are differently activated in imagery and perception.

The claim that scientific explanation is deductive has been attacked on both systematic and historical grounds. This paper briefly defends the claim against the systematic attack. Essential to this defence is a distinction between perfect and imperfect explanation. This distinction is then used to illuminate the differences and similarities between Aristotelian (anthropomorphic) explanations of certain facts and those of classical mechanics. In particular, it is argued that when one attempts to fit classical mechanics into the Aristotelian framework the latter becomes (...) structurally incoherent. It is suggested that this, together with the fact that classical mechanics embodied the first piece of perfect knowledge, accounts, in part at least, for the historical fact of the rapid demise of the Aristotelian patterns as the new science developed. On the basis of this discussion, the inadequacies of the attack on the deductive model on historical grounds by Toulmin come to be seen. (shrink)

It is incorrect to construe Hume as a Pyrrhonian sceptic. Or so I have argued elsewhere. To the contrary, Hume in fact offers a detailed defence of the thesis that the norms of scientific inference, that is, the “rules by which to judge of causes and effects”, arereasonablerules to follow in forming our beliefs. Conforming to these rules in its formation of causal beliefs is astrategythe understanding employs in order to satisfy the end of curiosity (T271). Science is reasonable because, (...) so far as we can, within our fallible limits, discover, it is the strategy of belief formation that is the best means of achieving our end of truth, insofar as the latter is, within our fallible limits, attainable. (shrink)

Chaos theory is beginning to find applications in the field of medicine. The theory of chaos should be introduced to students to help them as they make the transition from learning the scientific literature to actually applying this newly acquired knowledge in clinical situations. Chaos theory will give the students a powerful conceptual framework from which they can better understand the limits of predictability in clinical situations. Failure to understand the limits of predictability in chaotic natural systems will invariably lead (...) to frustration in both patients and physicians. (shrink)

Stephen King’s novel The Long Walk, written under the pseudonym of Richard Bachman, offers a vision of sport in a near-future society, where death-sports serve as a major spectacle. This was designed as a critique of trends and problems in sport in the 1960s and 1970s, with over-commercialization and increased violence. Some of this has been mitigated by recent rule changes in the world of sport, but King’s writing prefigured the rise of reality television, where people are practically willing to (...) risk it all for personal gain. (shrink)