One premise of the underdetermination argument is that entailment of evidence is the only epistemic constraint on theory-choice. I argue that methodological rules can be epistemically significant, both with respect to observables and unobservables. Using an example from the history of medicine—Koch’s 1882 discovery of tuberculosis bacteria—I argue that even anti-realists ought to accept that these rules can break the tie between theories that are allegedly underdetermined. I then distinguish two types of underdetermination and argue that anti-realists, in order to (...) maintain the underdetermination argument, need to do more than show that theories are empirically equivalent: they need to show that a certain kind of underdetermination obtains. (shrink)

The case of Semmelweis has been well known since Hempel. More recently, it has been revived by Peter Lipton, Donald Gillies, Alexander Bird, Alex Broadbent, and Raphael Scholl. While these accounts differ on what exactly the case of Semmelweis shows, they all agree that Semmelweis was an excellent reasoner. This widespread agreement has also given rise to a puzzle: why Semmelweis’s views were rejected for so long. I aim to dissolve both this puzzle and the standard view of Semmelweis by (...) showing that, contrary to prevailing opinion, Semmelweis was not the excellent reasoner he has been assumed to be. (shrink)

One typical realist response to the argument from underdetermination of theories by evidence is an appeal to epistemic criteria besides the empirical evidence to argue that, while scientific theories might be empirically equivalent, they are not epistemically equivalent. In this article, I spell out a new and reformulated version of the underdetermination argument that takes such criteria into account. I explain the notion of epistemic equivalence which this new argument appeals to, and argue that epistemic equivalence can be achieved in (...) several, significantly different, ways. On the basis of this ‘multiple realisability’ of epistemic equivalence, I then proceed to explain and examine some of the main consequences of this reformulated underdetermination argument for both realists and anti-realists. (shrink)

In this paper, I argue (i) that there are certain methodological practices that are epistemically significant, and (ii) that we can test for the success of these practices empirically by examining case-studies in the history of science. Analysing a particular episode from the history of medicine, I explain how this can help us resolve specific cases of underdetermination. I conclude that, while the anti-realist is (more or less legitimately) able to construct underdetermination scenarios on a case-by-case basis, he will have (...) to abandon the strategy of using algorithms to do so, thus losing the much needed guarantee that there will always be rival cases of the required kind. (shrink)

It has recently been suggested that realist responses to historical cases featured in pessimistic meta-inductions are not as successful as previously thought. In response, selective realists have updated the basic divide et impera strategy specifically to take such cases into account and to argue that more modern realist accounts are immune to the historical challenge. Using a case study—that of the nineteenth-century zymotic theory of disease—I argue that these updated proposals fail and that even the most sophisticated recent realist accounts (...) remain vulnerable to the challenge from history. (shrink)

In the mid-1800s, there was much debate about the origin or 'exciting cause' of cholera. Despite much confusion surrounding the disease, the so-called miasma theory emerged as the prevalent account about cholera's cause. Going against this mainstream view, the British physician John Snow inferred several things about cholera's origin and pathology that no one else inferred. Without observing the vibrio cholerae, however,-data unavailable to Snow and his colleagues-, there was no way of settling the question of what exactly was causing (...) cholera and how, or if, it was passed on. The question then arises as to how Snow arrived at conclusions so systematically different from those of his opponents. In this paper, I want to look at Snow's reasoning in some detail, and show that there were certain principles, explanatory power in particular, that were epistemologically important to Snow in their own right. I will show that Snow himself takes explanatory power to be an epistemic property, and makes explicit links between explanatory power and confirmation. Systematically juxtaposing Snow's claims and his opponents', I will show that Snow was right to tout the explanatory power of his theory, and that his conclusions about the epistemic superiority of his theory over that of the miasmatists' were justified. (shrink)

This chapter relocates the debate about the theoretical virtues to the empirical level and argues that the question of whether the virtues (and what virtues, if any) have epistemic import is best answered empirically, through an examination of actual scientific theories and hypotheses in the history of science. As a concrete example of this approach, the chapter discusses a case study from the mid-nineteenth-century debate about the transmissibility of puerperal fever. It argues that this case shows that the virtues are (...) at least sometimes epistemic, but also that neither scientific realists nor anti-realists get it quite right: the virtues, even if epistemic, are not necessarily truth-conducive, but neither are they merely pragmatic. It also argues that the discussion of puerperal fever shows that the virtue question, as it is currently featured in the scientific realism debate, ought to be reformulated. We should examine not just whether a given scientific theory has virtues or not, but rather how debates among competing theories, all of which have some virtues, get resolved. (shrink)

The main purpose of this paper is to test structural realism against (one example from) the historical record. I begin by laying out an existing challenge to structural realism -- that of providing an example of a theory exhibiting successful structures that were abandoned -- and show that this challenge can be met by the miasma theory of disease. However, rather than concluding that this is an outright counterexample to structural realism, I use this case to show why it is (...) that structural realism, in its current form, has trouble dealing with theories outside physics. I end by making some concrete suggestions for structural realists to pursue if, indeed, they are serious about extending structural realism to other domains. (shrink)

I argue that neither realist nor anti-realist accounts of theory-change can account for the transition from zymotic views of disease to germ views. The trouble with realism is its focus on stable and continuous elements that get retained in the transition from one theory to the next; the trouble with anti-realism is its focus on the radical discontinuity between theories and their successors. I show that neither of these approaches works for the transition from zymes to germs: there is neither (...) continuity nor discontinuity, but, instead, a gradual evolution from zyme to germ views, during which germ elements are slowly incorporated into zymotic views until, eventually, none of the original zymotic constituents are left. I argue that the problem with both realism and anti-realism is that they rest on the unwarranted assumption that there are clearly delineated zymotic and germ theories as well as arguments for and against these theories, an assumption that does not hold. (shrink)

The case of John Snow has long been important to epidemiologists and public health officials. However, despite the fact that there have been many discussions about the various aspects of Snow’s case, there has been virtually no discussion about what guided Snow’s reasoning in his coming to believe his various conclusions about cholera. Here, I want to take up this question in some detail and show that there are a number of specific principles of reasoning that played a crucial role (...) for Snow. Moreover, these principles were episte- mologically important to Snow, a fact about which Snow is explicit in many places. An analysis of Snow’s case suggests that, because of the epistemic role such principles of reasoning can play, health care practitioners ought to understand their practices to be theoretically informed in these ways, and not just data driven. (shrink)

My purpose in this paper is to show how a re-examination of Snow’s famous South London water study, widely taken to have established that cholera is water-borne, highlights some problems with current, scientific realist accounts of theory-change. When examining scientific controversies, such accounts focus disproportionately on the ‘winning’ theories and their properties, or on those of the reasoning of the scientists who proposed them. I argue that this focus is misguided and leads us to neglect much of what is epistemically (...) valuable in episodes of theory-change, thereby leading to inaccurate views about both the dynamics of theory-change and the notion of scientific progress that accompanies it. I end by sketching some implications for the philosophy of epidemiology. (shrink)

In this paper, I examine the transition from zymotic views of disease to germ views in Britain in the mid-1800s. I argue that neither realist nor anti-realist accounts of theory-change can account for this case, because both rely on a well-defined notion of theory, which, as the paper will show, is inapplicable in this instance. After outlining the zymotic theory of disease, I show that, even though it hardly had anything in common with the germ theory, it was highly successful. (...) However, despite this success, it is not possible to identify stable elements that were carried over to the germ theory; thus, realists cannot account for the shift from one to the other. Anti-realists, however, don’t do much better: their focus tends to be on (radical) discontinuities across theories, yet the zymotic case does not exemplify this, either. Instead, there is a slow and complex evolution from zymotic to germ views, during which various zymotic elements are assimilated into the germ theory, until, eventually, none of the zymotic theory’s original elements are left. (shrink)

My talk will be guided by the idea that there are some familiar scientific practices that are epistemically significant. I will argue that we can test for the success of these practices empirically by examining cases in the history of science. Specifically, I will reconstruct one particular episode in the history of medicine – John Snow's reasoning concerning the infectiousness of cholera – and offer this case as a concrete example of the sort of empirical research that needs to be (...) done in order to discover what kinds of methodological practices and rules are actually of epistemic interest. Analysing this case, I will explain how it (and other cases like it) can help us resolve specific cases of underdetermination. After exploring some possible anti-realist responses to this argument, I will conclude that, while the anti-realist is (more or less legitimately) able to construct underdetermination scenarios on a case-by-case basis, he will likely have to abandon the strategy of using algorithms to do so, thus losing the much needed guarantee that there will always be rival cases of the required kind. (shrink)

This document collects discussion and commentary on issues raised in the workshop by its participants. Contributors are: Greg Frost-Arnold, David Harker, P. D. Magnus, John Manchak, John D. Norton, J. Brian Pitts, Kyle Stanford, Dana Tulodziecki.

To describe phenomena that occur at different time scales, computational models of the brain must incorporate different levels of abstraction. At time scales of approximately 1/3 of a second, orienting movements of the body play a crucial role in cognition and form a useful computational level embodiment level,” the constraints of the physical system determine the nature of cognitive operations. The key synergy is that at time scales of about 1/3 of a second, the natural sequentiality of body movements can (...) be matched to the natural computational economies of sequential decision systems through a system of implicit reference called deictic in which pointing movements are used to bind objects in the world to cognitive programs. This target article focuses on how deictic bindings make it possible to perform natural tasks. Deictic computation provides a mechanism for representing the essential features that link external sensory data with internal cognitive programs and motor actions. One of the central features of cognition, working memory, can be related to moment-by-moment dispositions of body features such as eye movements and hand movements. (shrink)

Animate vision systems have gaze control mechanisms that can actively position the camera coordinate system in response to physical stimuli. Compared to passive systems, animate systems show that visual computation can be vastly less expensive when considered in the larger context of behavior. The most important visual behavior is the ability to control the direction of gaze. This allows the use of very low resolution imaging that has a high virtual resolution. Using such a system in a controlled way provides (...) additional constraints that dramatically simplify the computations of early vision. Another important behavior is the way the environment “behaves‘. Animate systems under real-time constraints can further reduce their computational burden by using environmental cues that are perspicuous in the local context. A third source of economy is introduced when behaviors are learned. Because errors are rarely fatal, systems using learning algorithms can amortize computational cost over extended periods. Further economies can be achieved when the learning system uses indexical reference, which is a form of dynamic variable binding. Animate vision is a natural way of implementing this dynamic binding. (shrink)

The cerebral cortex is a rich and diverse structure that is the basis of intelligent behavior. One of the deepest mysteries of the function of cortex is that neural processing times are only about one hundred times as fast as the fastest response times for complex behavior. At the very least, this would seem to indicate that the cortex does massive amounts of parallel computation.This paper explores the hypothesis that an important part of the cortex can be modeled as a (...) connectionist computer that is especially suited for parallel problem solving. The connectionist computer uses a special representation, termed value unit encoding, that represents small subsets of parameters in a way that allows parallel access to many different parameter values. This computer can be thought of as computing hierarchies of sensorimotor invariants. The neural substrate can be interpreted as a commitment to data structures and algorithms that compute invariants fast enough to explain the behavioral response times. A detailed consideration of this model has several implications for the underlying anatomy and physiology. (shrink)

Hannah Arendt was one of the foremost political thinkers of the twentieth century, and her particular interests have made her one of the most frequently cited thinkers of our time. This Companion examines the primary themes of her multi-faceted work, from her theory of totalitarianism and her controversial idea of the 'banality of evil' to her classic studies of political action and her final reflections on judgment and the life of the mind. Each essay examines the political, philosophical, and historical (...) concerns which shaped Arendt's thought, and which prompted her to become one of the most unapologetic champions of the political life in the history of Western thought. (shrink)

Trust in the doctor-patient relationship is an indispensable structural element for the medical profession. The discourse concerning trust and its importance in the healthcare context, although quite old, elicits increasingly more interest in research, especially for empirical approaches. The importance of trust in the doctor and in the medical profession can be demonstrated by starting from the Christian meaning of illness and medicine ; generally, the patristic sources see medicine and physicians as God’s gifts. T he perception of Christian physicians (...) as dedicated, unselfish and compassionate preservers or restorers of health, always committed to the good of their patients is well known. The model of the Christian physician is a Hippocratic model, of one who seeks the sick so that he may bring relief to them and strengthen them. When illness occurs, Christianity affirms an ethical duty to struggle against sickness, which if unaddressed can lead to death. The moral requirement to care for the health of the body indicates it is appropriate to use healing methods that will enhance health and maintain life. The aim of this paper is to explore the dimensions of the concept of trust in the doctor-patient relationship, by starting from the Christian meaning of illness and of the role of the doctor. The paper presents a number of essential theoretical elements related to trust, as presented in the literature dealing with the doctor-patient relationship: the meaning of trust, its dimensions, its stages of development, its impact, its sources, the patient’s perspectives on trust, the importance of trust for healthcare systems. (shrink)

In this paper, I endorse the idea that age is a defensible criterion for eligibility to vote, where age is itself a proxy for having a broad set of cognitive and motivational capacities. Given the current (and defeasible) state of developmental research, I suggest that the age of 16 is a good proxy for such capacities. In defending this thesis, I consider alternative and narrower capacity conditions while drawing on insights from a parallel debate about capacities and age requirements in (...) the criminal law. I also argue that the expansive capacity condition I adopt satisfies a number of powerful and complementary rationales for voting eligibility, and conclude by addressing challenging arguments that, on the one hand, capacity should not underlie voting eligibility in the first place, and, on the other, that capacity should do so directly and not via any sort of proxy, including age. (shrink)

Much attention has been focused in recent years on the ethical acceptability of physicians receiving gifts from drug companies. Professional guidelines recognize industry gifts as a conflict of interest and establish thresholds prohibiting the exchange of large gifts while expressly allowing for the exchange of small gifts such as pens, note pads, and coffee. Considerable evidence from the social sciences suggests that gifts of negligible value can influence the behavior of the recipient in ways the recipient does not always realize. (...) Policies and guidelines that rely on arbitrary value limits for gift-giving or receipt should be reevaluated. (shrink)

Considerable attention has been paid recently to the gendering of organizations and occupations. Unfortunately, the gendered-organizations approach remains theoretically and empirically underdeveloped, as there have as yet been few clear answers to the question central to the perspective: What does it really mean to say that an organization itself, or a policy, practice, or slot in the hierarchy, is “gendered”? Reviewing literature in the gendered-organizations tradition, the author discusses three of the most common ways the perspective has been applied and (...) argues that all of these definitions pose potential problems for the project of meaningful social and organizational change. The article concludes with some suggestions about how a more useful conception of the gendered organization might be built. (shrink)

The doctrine of double effect, together with other moral principles that appeal to the intentions of moral agents, has come under attack from many directions in recent years, as have a variety of rationales that have been given in favor of it. In this paper, our aim is to develop, defend, and provide a new theoretical rationale for a secular version of the doctrine. Following Quinn (1989), we distinguish between Harmful Direct Agency and Harmful Indirect Agency. We propose the following (...) version of the doctrine: that in cases in which harm must come to some in order to achieve a good (and is the least costly of possible harms necessary), the agent foresees the harm, and all other things are equal, a stronger case is needed to justify Harmful Direct Agency than to justify Harmful Indirect Agency. We distinguish between two Kantian rationales that might be given for the doctrine, a “dependent right” rationale, defended by Quinn, and an “independent right” rationale, which we defend. We argue that the doctrine and the “independent right” rationale for it are not vulnerable to counterexamples or counterproposals, and conclude by drawing implications for the larger debate over whether agents' intentions are in any way relevant to permissibility and obligation. (shrink)

Nelkin presents a simple and natural account of freedom and moral responsibility which responds to the great variety of challenges to the idea that we are free and responsible, before ultimately reaffirming our conception of ourselves as agents. Making Sense of Freedom and Responsibility begins with a defense of the rational abilities view, according to which one is responsible for an action if and only if one acts with the ability to recognize and act for good reasons. The view is (...) compatibilist -- that is, on the view defended, responsibility is compatible with determinism -- and one of its striking features is a certain asymmetry: it requires the ability to do otherwise for responsibility when actions are praiseworthy, but not when they are blameworthy. In defending and elaborating the view, Nelkin questions long-held assumptions such as those concerning the relation between fairness and blame and the nature of so-called reactive attitudes such as resentment and forgiveness. Her argument not only fits with a metaphysical picture of causation -- agent-causation -- often assumed to be available only to incompatibilist accounts, but receives positive support from the intuitively appealing Ought Implies Can Principle, and establishes a new interpretation of freedom and moral responsibility that dovetails with a compelling account of our inescapable commitments as rational agents. (shrink)

The aim of this inquiry is to investigate Heidegger's ontology of technology. We will show that this ontology is aporetic. In Heidegger's key technical essays, ?The question concerning technology? and its earlier versions ?Enframing? and ?The danger?, enframing is described as the ontological basis of modern life. But the account of enframing is ambiguous. Sometimes it is described as totally binding and at other times it appears to allow for exceptions. This oscillation between, what we will call total enframing and (...) partial enframing, is underscored in the work of two influential scholars of Heidegger's later thought, Hubert Dreyfus and Iain Thomson. We will show that like Heidegger, Dreyfus and Thomson unwittingly perpetuate this dilemma that ultimately covers up the aporetic structure of enframing. (shrink)

Dana S. Belu combines Heidegger's phenomenology of technology with feminist phenomenology in order to make sense of the increased technicization of women's reproductive bodies during conception, pregnancy, and birth.

With the continual development of artificial intelligence and smart computing in recent years, quantitative approaches have become increasingly popular as an efficient modeling tool as they do not necessitate complicated mathematical models. Many nations have taken steps, such as transitioning to online schooling, to decrease the harm caused by coronaviruses. Inspired by the demand for technology in early education, the present research uses a radial basis function neural network modeling technique to predict preschool instructors’ technology usage in classes based on (...) recognized determinant characteristics of technology acceptance. In this regard, this study utilized the RBFNN approach to predict preschool teachers’ technology acceptance behavior, based on the theory of planned behavior, which states that behavioral achievement, in our case the actual technology use in class, depends on motivation, intention and ability, and behavioral control. Thus, this research design is based on an adapted version of the technology acceptance model with eight dimensions: D1. Perceived usefulness, D2. Perceived ease of use, D3. Perceived enjoyment, D4. Intention to use, D5. Actual use, D6. Compatibility, D7. Attitude, and D8. Self-efficacy. According to the TAM, actual usage is significantly predicted by the other seven dimensions used in this research. Instead of using the classical multiple linear regression statistical processing of data, we opted for a NN based on the RBF approach to predict the actual usage behavior. This study included 182 preschool teachers who were randomly chosen from a project-based national preschool teacher training program and who responded to our online questionnaire. After designing the RBF function with the actual usage as an output variable and the other seven dimensions as input variables, in the model summary, we obtained in the training sample a sum of squares error of 37.5 and a percent of incorrect predictions of 43.3%. In the testing sample, we obtained a sum of squares error of 14.88 and a percent of incorrect predictions of 37%. Thus, we can conclude that 63% of the classified data are correctly assigned to the models’ dependent variable, i.e., actual technology use, which is a significant rate of correct predictions in the testing sample. This high significant percentage of correct classification represents an important result, mainly because this is the first study to apply RBFNN’s prediction on psychological data, opening up a new interdisciplinary field of research. (shrink)

Individual differences in phonological processing abilities have often been attributed to perceptual factors, rather than to factors relating to learning and memory. Here, we consider the contribution of individual differences in declarative and procedural memory to phonological processing performance in adulthood. We examined the phonological processing, declarative memory, and procedural memory abilities of 79 native English-speaking young adults with typical language and reading abilities. Declarative memory was assessed with a recognition memory task of real and made-up objects. Procedural memory was (...) assessed with a serial reaction time task. For both tasks, learning was assessed shortly after encoding, and again after a 12-h, overnight delay. We regressed phonological processing ability with memory performance on both days. We found that declarative memory, but not procedural memory, was highly predictive of phonological processing abilities. Specifically, declarative memory scores obtained shortly after learning were associated with non-word repetition performance, whereas declarative memory scores obtained after the overnight delay were associated with phonological awareness. Procedural memory was not associated with either of the phonological processing measures. We discuss these findings in the context of adult participants with mature phonological systems. We examine possible implications for the relationship between declarative memory and phonological processing in adulthood. (shrink)

Many philosophers hold that it is conceptually impossible to form a belief simply by willing it. Noting the failure of previous attempts to locate the presumed incoherence, Dion Scott-Kakures offers a version of the general line that voluntary believing is conceptually impossible because it could not qualify as a basic intentional action. This discussion analyzes his central argument, explaining how it turns on the assumption that a prospective voluntary believer must regard the desired belief as not justified, given her other (...) beliefs. It then shows that this assumption is false and also that some initially plausible suggestions for weakening the assumption fail to secure Scott-Kakures’s conclusion. (shrink)

In The Minority Body, Elizabeth Barnes rejects prevailing social constructionist accounts of disability for two reasons. First, because they understand disability in terms of oppressive social responses to bodily impairment, they cannot make sense of disability pride. Second, they maintain a problematic distinction between impairment and disability. In response to these challenges, this paper defends a version of the social model of disability, which we call the Social Exclusion Model. On our account, to be disabled is to be in a (...) bodily or psychological state that is represented as an impairment in the prevailing ideology of one’s society, and to be excluded from valuable activities on the basis of this representation. While this model refers to a distinction between disability and impairment, it makes no presuppositions about which bodies function ‘normally’ and which do not. It is the ideology of impairment rather than impairment itself that does any work to determine whether a person is disabled. We argue that this model answers some of the important objections that Barnes raises against prevailing social constructionist accounts of disability, and that it’s focus on the oppressive social positioning of disabled people gives it explanatory power that Barnes’s own account lacks. (shrink)

The international symposium celebrated the bicentennial of the Dartmouth Medical School by generating 30 papers on general areas with specific orientations. For genetics the focus is the human genome, for neuroscience the origin and substrate of thinking, for health care asking for whom and by whom, for world population the crisis of human crowding, and for the future peering through the looking glass. Al Gore adds a special address on population growth and environmental impact. Drawings accompany profiles of the contributors. (...) There is no index. Annotation copyrighted by Book News, Inc., Portland, OR. (shrink)

In this anthology of new and classic articles, fifteen noted feminist philosophers explore contemporary ethical issues that uniquely affect the lives of women. These issues in applied ethics include autonomy, responsibility, sexual harassment, women in the military, new technologies for reproduction, surrogate motherhood, pornography, abortion, nonfeminist women and others. Whether generated by old social standards or intensified by recent technology, these dilemmas all pose persistent, 'nagging,' questions that cry out for answers.

In everyday life, we assume that there are degrees of blameworthiness and praiseworthiness. Yet the debate about the nature of moral responsibility often focuses on the “yes or no” question of whether indeterminism is required for moral responsibility, while questions about what accounts for more or less blameworthiness or praiseworthiness are underexplored. In this paper, I defend the idea that degrees of blameworthiness and praiseworthiness can depend in part on degrees of difficulty and degrees of sacrifice required for performing the (...) action in question. Then I turn to the question of how existing accounts of the nature of moral responsibility might be seen to accommodate these facts. In each case of prominent compatibilist and incompatibilist accounts that I consider, I argue that supplementation with added dimensions is required in order to account for facts about degrees of blameworthiness and praiseworthiness. For example, I argue that the reasons-responsiveness view of Fischer and Ravizza requires supplementation that takes us beyond even fine-grained measures of degrees of reasons-responsiveness in order to capture facts about degrees of difficulty to extend the reasons-responsiveness view by appealing to such measures). I conclude by showing that once we recognize the need for these additional parameters, we will be in a position to explain away at least some of the appeal of incompatibilist accounts of moral responsibility. (shrink)

Our seamless perception of the world depends very much on the slow time scales used by conscious perception. Time scales longer than one second are needed to assemble conscious experience. At time scales shorter than one second, this seamlessness quickly deteriorates. Numerous experiments reveal the fragmentary nature of the visual information used to construct visual experience. Models of how the brain manages these fragments use the construct of a routine, which is a task-specific fragment of a sensory-motor program. This paper (...) provides an overview of some of the experiments that test these models. Its aim is to show how the structures that they elucidate constrain the understanding of conscious perception. (shrink)

The importance of a healthy mentoring relationship, and how to go about achieving one, has been explored in several disciplines, including psychology. However, little of this work has focused specifically on unique ethical issues that may arise while mentoring undergraduate students. The authors provide a definition of mentoring in the context of undergraduate education that takes into account undergraduates' status as emerging adults. We delineate both similarities and differences between mentoring undergraduate students and graduate students. Ethical issues that may arise (...) while mentoring undergraduates, especially around themes of vocation, autonomy and influence, boundaries, power, the priority of the protg's needs, the mentor's motives, and accessibility, are spotlighted. We argue that although there is considerable overlap between mentoring graduate students and mentoring undergraduates, there are issues and concerns unique to working with undergraduates that require explication so that they can be appropriately addressed to the benefit of both protg and mentor. (shrink)

We investigate the notion of a semi-retraction between two first-order structures (in typically different signatures) that was introduced by the second author as a link between the Ramsey property and generalized indiscernible sequences. We look at semi-retractions through a new lens establishing transfers of the Ramsey property and finite Ramsey degrees under quite general conditions that are optimal as demonstrated by counterexamples. Finally, we compare semi-retractions to the category theoretic notion of a pre-adjunction.

Jim buys a ticket in a million-ticket lottery. He knows it is a fair lottery, but, given the odds, he believes he will lose. When the winning ticket is chosen, it is not his. Did he know his ticket would lose? It seems that he did not. After all, if he knew his ticket would lose, why would he have bought it? Further, if he knew his ticket would lose, then, given that his ticket is no different in its chances (...) of winning from any other ticket, it seems that by parity of reasoning he should also know that every other ticket would lose. But of course he doesn’t know that; in fact, he knows that not every ticket will lose. (shrink)

Theodor Adorno once wrote an essay to "defend Bach against his devotees." In this book Dana Villa does the same for Hannah Arendt, whose sweeping reconceptualization of the nature and value of political action, he argues, has been covered over and domesticated by admirers who had hoped to enlist her in their less radical philosophical or political projects. Against the prevailing "Aristotelian" interpretation of her work, Villa explores Arendt's modernity, and indeed her postmodernity, through the Heideggerian and Nietzschean theme (...) of a break with tradition at the closure of metaphysics.Villa's book, however, is much more than a mere correction of misinterpretations of a major thinker's work. Rather, he makes a persuasive case for Arendt as the postmodern or postmetaphysical political theorist, the first political theorist to think through the nature of political action after Nietzsche's exposition of the death of God. After giving an account of Arendt's theory of action and Heidegger's influence on it, Villa shows how Arendt did justice to the Heideggerian and Nietzschean criticism of the metaphysical tradition while avoiding the political conclusions they drew from their critiques. The result is a wide-ranging discussion not only of Arendt and Heidegger, but of Aristotle, Kant, Nietzsche, Habermas, and the entire question of politics after metaphysics. (shrink)