In circulation, T cells are spherical with selectin enriched dynamic microvilli protruding from the surface. Following extravasation, these microvilli serve another role, continuously surveying their environment for antigen in the form of peptide‐MHC (pMHC) expressed on the surface of antigen presenting cells (APCs). Upon recognition of their cognate pMHC, the microvilli are initially stabilized and then flatten into F‐actin dependent microclusters as the T cell spreads over the APC. Within 1–5 min, clathrin is recruited by the ESCRT‐0 component Hrs to (...) mediate release of T cell receptor (TCR) loaded vesicles directly from the plasma membrane by clathrin and ESCRT‐mediated ectocytosis (CEME). After 5‐10 min, Hrs is displaced by the endocytic clathrin adaptor epsin‐1 to induce clathrin‐mediated trans‐endocytosis (CMTE) of TCR‐pMHC conjugates. Here we discuss some of the functional properties of the clathrin machinery which enables it to control these topologically opposite modes of membrane transfer at the immunological synapse, and how this might be regulated during T cell activation. (shrink)

(1992). The Effects of a Social Studies Course on the Philosophic Orientations of History and Geography Graduate Students in Botswana. Educational Studies: Vol. 18, No. 2, pp. 235-243.

In the Western studies of the texts of Mozi, three distinctive views have surfaced in the past few decades: (1) Mozi is inconsistent because he seems to have been committed to both a Utilitarian standard and a divine command theory; (2) Mozi is a divine command theorist who argues that it is right to benefit the world because it is the will of heaven; and (3) Mozi is a utilitarian thinker who has based morality on the criterion of whether actions (...) benefit the world. In this paper, I will argue that the whole debate about whether Mozi is a divine command theorist or a utilitarian is misguided, because it is based on an incorrect understanding of the fundamental cultural perspective associated with the notion of Tian. An adequate understanding of the notion of Tian will reveal its fundamental difference from the Western notion of heaven. Such an understanding will enable us to put Mozi's moral philosophy in the ancient Chinese perspective in which a tension and potential conflict between ‘the will of heaven’ and ‘the benefit of the world’ simply cannot arise. (shrink)

The recent in vitro derivation of gamete‐like cells from mouse embryonic stem (mES) cells is a major breakthrough and lays down several challenges, both for the further scientific investigation and for the bioethical and biolegal discourse. We refer here to these cells as gamete‐like (sperm‐like or oocyte‐like, respectively), because at present there is still no evidence that these cells behave fully like bona fide sperm or oocytes, lacking the fundamental proof, i.e. combination with a normally derived gamete of the opposite (...) sex to yield a normal individual. However, the results published so far do show that these cells share some defining features of gametes. We discuss these results in the light of the bioethical and legal questions that are likely to arise would the same process become possible with human embryonic stem (hES) cells. (shrink)

This paper explores the ways in which truth is better than falsehood, and suggests that, among other things, it depends on the kinds of proposition to which these values are attached. Ordinary singular propositions like “It is raining” seem to fit best the bivalent “scheme” of classical logic, the general proposition “It is always raining” is more appropriately rated according to how often it rains, and a “practically vague” proposition like “The lecture will start at 1” is appropriately rated according (...) to its nearness to exactness. Implications for logic of this “rating system” are commented on. (shrink)

(2008). A Case of Melancholic Humors and Dilucida Intervalla. Intellectual History Review: Vol. 18, Humanism and Medicine in the Early Modern Era, pp. 139-154.

Summary This research is into the experience of alienation amongst British adolescents. The study had three major aims: firstly to investigate potential differences across various dimensions of alienation on the basis of gender, ethnicity and religion. Secondly, to establish a relationship between alienation, self?esteem and selected undesirable school behaviours. Finally, there is an attempt to evaluate the use of alienation scales as a research tool in education. The study involved 254 participants aged between 13 and 15 years attending large, multi?ethnic (...) comprehensives. The findings show that reported levels of alienation were influenced by religious orientation but only minimally by gender or ethnicity per se. Reported alienation negatively correlated with self?esteem but was positively associated with truancy, exclusion and disruptive behaviour. The authors conclude that, whilst alienation remains a useful concept for educational research, it is unhelpful to see it as an inevitable consequence of deprivation or membership of certain social groups. (shrink)

Summary Two cohorts of teachers working full?time in Church of England voluntary?aided and voluntary?controlled first, primary and middle (deemed primary) schools within the Diocese of St Edmundsbury and Ipswich were invited to complete a questionnaire concerned with teaching styles in 1982 and again in 1996. The data demonstrate a significant shift toward placing greater value on traditional teaching styles between 1982 and 1996.

Summary This study was conducted in Slovenia, and explored the views of a sample of 226 pupils (aged 14?15 years) regarding their motivation to learn English and the views of a sample of 95 student teachers regarding their motivation to become a teacher of English. The data consisted of two questionnaires. The first questionnaire asked the pupils to rate the importance of each of 15 reasons for wanting to learn English. The most frequent reasons given by pupils were ?Because English (...) is an international language?, ?Because English helps me with advanced study? and ?Because English will help me with my future career?. The second questionnaire asked the student teachers to rate the importance of each of 20 reasons in influencing their decision to become a teacher of English. The most frequent reasons given by the student teachers were ?I enjoy the subject I will teach?, ?English is important to me? and ?I want to help children succeed?. The findings are further explored in terms of the relative importance of the different types of motivation involved. (shrink)

Summary Background. Aims. Sample. Method. Results. Conclusion. The paper considers aberrant behaviour in the context of cognitive style with reference to both diagnosis and treatment. The aims of the study were to investigate whether the style of pupils with behaviour problems was different from that of children with no reported problems, and also to consider how pupils of different style manifested their problem behaviours. The sample comprised 83 male pupils aged 10?18 years from two residential special schools. The sample were (...) given the Cognitive Styles Analysis to assess their positions on the Wholist?Analytic and Verbal?Imagery style dimensions. The pupil records of the special school pupils who were at the extreme of the style dimensions were also examined. When their style characteristics were contrasted with a Comparison Sample of 413 12?16?year?old males attending 10 secondary schools, the special school pupils had a significantly higher proportion of both Wholists and Verbalisers, than the Comparison Group. Further, the inspection of the records indicated that the types of social behaviour and behaviour problems exhibited varied with style, and particularly on the Wholist?Analytic dimension. The results were considered to have implications for the origins and treatment of problem behaviour. (shrink)

Summary Recent evidence from Diocesan and Office for Standards in Education inspections under the Education Act 1992 seems to suggest that while pupils in Catholic schools in England and Wales obtain high levels of academic success at Key Stage Two and Key Stage Four compared with those attending other schools in the maintained sector, their achievements in Advanced level examinations are lower than one would expect. The article points to evidence of a similar long?standing pattern of performance of pupils in (...) Catholic schools and speculates on some possible causes of the phenomenon. (shrink)

The existence of conflicting messages on the role and status of the university is linked to a wider paradox of values about science in society. Value is attributed to science and assumed by the university in the context of the move to knowledge‐based economies and societies, yet this has not been accompanied by a systematic and balanced debate about the values that should underpin socio‐economic change. Questions are then raised about both the effectiveness of public policy and the role of (...) universities in society. A reconnection between the application and production of knowledge is needed, as well as the reinsertion of a normative framework for guiding and shaping change within universities. Only under such conditions can a meaningful debate on the roles of universities as places of expectation and spaces for reflection be realized. (shrink)

An existential reading of ‘is’ in the argument at Republic 476–480 is widely thought to be objectionable because it commits Plato to belief in degrees of existence. In this paper, I argue that neither proposed alternative—the veridical reading or the predicative reading—can be reconciled with the text, thus forcing the existential reading upon us. Further, I show that when Plato's doctrine of existence is properly understood, his commitment to degrees of existence is not at all absurd.

This article reflects on the relationship between historical writing and enquiry and philosophy, and more particularly the manner in which the pursuit of a particular natural philosophy can influence historical narratives. The article begins with a comparison of Roman and Greek approaches to history, employing a distinction between narrative and logic. It goes on to consider the impact of Christianity, the relationship between enlightenment narratives and philosophical developments regarding the nature of causation, and the Hegel/marx critique of the kinds of (...) empiricism associated with Hume. The article ends by considering the counterfactual historical analysis and the proper relationship between history and philosophy for modern historians. ☆ This is the second article that we are publishing from the papers of Professor Ralph B. Smith (1939–2000), the celebrated historian of South East Asia. Ralph Smith was Professor of the International History of South East Asia at the School of Oriental and African Studies at the University of London. At his death he left a draft manuscript concerned with the writing of history, and this is one of the draft chapters. (shrink)

Ethics consultation has become an integral part of the fabric of U.S. health care delivery. This article summarizes the second edition of the Core Competencies for Health Care Ethics Consultation report of the American Society for Bioethics and Humanities. The core knowledge and skills competencies identified in the first edition of Core Competencies have been adopted by various ethics consultation services and education programs, providing evidence of their endorsement as health care ethics consultation (HCEC) standards. This revised report was prompted (...) by thinking in the field that has evolved since the original report. Patients, family members, and health care providers who encounter ethical questions or concerns that ethics consultants could help address deserve access to efficient, effective, and accountable HCEC services. All individuals providing such services should be held to the standards of competence and quality described in the revised report. (shrink)

The recent in vitro derivation of gamete‐like cells from mouse embryonic stem (mES) cells is a major breakthrough and lays down several challenges, both for the further scientific investigation and for the bioethical and biolegal discourse. We refer here to these cells as gamete‐like (sperm‐like or oocyte‐like, respectively), because at present there is still no evidence that these cells behave fully like bona fide sperm or oocytes, lacking the fundamental proof, i.e. combination with a normally derived gamete of the opposite (...) sex to yield a normal individual. However, the results published so far do show that these cells share some defining features of gametes. We discuss these results in the light of the bioethical and legal questions that are likely to arise would the same process become possible with human embryonic stem (hES) cells. (shrink)

Summary Structured interviews were carried out with 176 secondary school teachers to elicit their views/opinions about their initial professional training and their later practical experience, with particular reference to classroom behaviour management. The results showed that the vast majority of teachers believe classroom management skills to be of major importance to them professionally. Nearly three?quarters of them were dissatisfied with the preparation in this area of professional skills provided by their initial training courses. Many thought that their colleagues spent too (...) much time on matters of order and control and 38% thought that they, themselves, did also. Generally, they showed an interest in attending training courses in classroom behaviour management. Many felt that such training could reduce stress among teachers and might help to reduce troublesome behaviour among their pupils. Nearly all of them thought that it would be of benefit to their younger colleagues who were just beginning their careers. (shrink)

In earlier work we proposed an account of information grounded in counterfactual conditionals rather than probabilities, and argued that it might serve philosophical needs that more familiar probabilistic alternatives do not. Demir [2008] and Scarantino [2008] criticize the counterfactual approach by contending that its alleged advantages are illusory and that it fails to secure attractive desiderata. In this paper we defend the counterfactual account from these criticisms, and suggest that it remains a useful account of information.

Antonio Argandoña, Norbert Bilbeny, Victòria Camps, Miquel Calsina, Àngel Castiñeira, Cristian Palazzi, Ferran Requejo, Raimon Ribera, Begoña Román, Ferran Sàez, Miquel Seguró, Francesc Torralba, Josep Maria Vallès, Rosamund Thomas Ramon Llull Journal of Applied Ethics 2012 3(3):9-16.

Summary The need for education in moral values is increasingly being recognised today, but how is it to be conducted in schools? In particular we consider the appropriateness or otherwise of a teacher assuming the role of a neutral chairperson in discussion. Advocacy of such a stance is especially associated with Lawrence Stenhouse who saw neutrality as a procedural device in order to empower students? own involvement. We point out many of the insights of Stenhouse's approach, but also some of (...) its disadvantages which subtly encourage a popularist form of relativism. We suggest the substitution of procedural neutrality with a different approach, that of critical affirmation. Here the teacher advocates a stance alongside everyone else. This, however, is done in a way that affirms pupils, and their right to personal views, whilst subjecting all views, including the teacher's own, to a close scrutiny, especially regarding implications for the views of others. (shrink)

This paper is a response to the opening of new lines of research on CSR and SMEs (Thompson & Smith, 1991; Spence, 1999; Moore & Smith, 2006; Spence, 2007). It seeks to explore the business case for CSR in this corporate segment. The paper, which is based on four case studies of medium-sized firms in the automotive sector, took the distinctive approach of trying to understand the nature of CSR-like activities developed not by best-in-class CSR-driven companies but by purely competitiveness-driven (...) firms. The case studies provide explicit evidence that the CSR activities of SMEs and the notion of social capital are interrelated, turning social capital into a powerful instrument to better explain what academic literature has called silent CSR practices . The analysis that follows questions some of the basic tenets that underpin the branch of business ethics that deals with the nature of SMEs' approach to CSR. Four basic concerns, which take the form of propositions for further research, serve as the basis for this analysis: a) A definition of CSR that includes most of the actions taken by all companies in the territory contributes no academic value to the discipline b) Any study of the motivation behind these CSR actions must reflect their essentially pragmatic nature. Actions are linked to social values but also, more importantly, to the nature of the competitive environment c) Business ethics must seek common ground with other more sociological disciplines if it is to explain the reasons behind this type of action d) Any study of this kind of practice requires a dual approach: a) normative when using tools developed by CSR; and b) descriptive and instrumental using the notion of social capital. (shrink)

Summary This paper presents an analysis and discussion of the opinions of two generations of Asian parents with regard to their young children's education. A large number of parents (n = 200) were interviewed during 1970-1974 and a smaller number (n = 40) during 1995 to ascertain their views on a variety of topics relating to their children's early education. The findings are discussed in a qualitative way and reveal the increasing satisfaction of Asian parents with their children's education. A (...) higher proportion of the mothers of the 1990s help their children with homework, read them stories and are generally more participatory in their children's education compared with the 1970s group. The second generations are concerned with the lack of facilities for the teaching of mother tongues in schools. These and other findings are discussed within the changing lifestyles of second-generation Asians. (shrink)

Isidor von Sevilla sammelte in seinen Etymologien um 600 vorhandenes Wissen aus historischen und zeitgenössischen Quellen. Rund 300 Wörter aus dem Arbeitsbereich Textil werden mit Kurzkommentaren erläutert. Ca. 1050 findet sich dieses Wissen überarbeitet im Summarium Heinrici 1. Am Beispiel des Komplexes "Kleidung" liefert der Band neben den Quellen und hervorragenden Übersetzungen zum ersten Mal auch ausführlicheKommentare und Überblicksdarstellungen, die eine Fülle von Informationen bringen. Dazu gehören u. a. neue Erkenntnisse über Herstellung der griechischen, bombycina genannten, Seide oder die Beschreibung (...) der Vielzahl der Purpurfarben von Gelb und Himmelblau bis zum exklusiven Schwarz. (shrink)

Dass die Würde des Menschen unantastbar sei, stellt eine der populärsten, aber auch eine der umstrittensten Aussagen des Grundgesetzes dar. Dabei wird eine sachorientierte Diskussion oft durch mehr oder minder unausgewiesene semantische und historische Annahmen blockiert. Aus dieser Beobachtung heraus wird zum einen überlegt, wie sich unterschiedliche Bedeutungen des Ausdrucks "Menschenwürde" unterscheiden und ethischen Fragestellungen resp. Positionen zuordnen ließen. Zum anderen wird die Einführung des Ausdrucks in das Verfassungsrecht nachgezeichnet. Das Hauptaugenmerk gilt dabei Art.1 Abs. 1 Grundgesetz, dessen Gehalt in (...) Auseinandersetzung mit der bisherigen Rechtsprechung rekonstruiert wird. (shrink)

Die »Enzyklopädie Philosophie- und Wissenschaftstheorie«, das größte allgemeine Nachschlagewerk zur Philosophie im deutschsprachigen Raum, wurde 1980 begonnen und 1996 mit dem vierten Band abgeschlossen. Sie erschien 2005 bis 2018 in einer komplett aktualisierten und erweiterten 8-bändigen Neuauflage, die hiermit nun in einer kartonierten Sonderausgabe vorliegt. Die »Enzyklopädie« umfasst in Sach- und Personenartikeln nicht nur den klassischen Bestand des philosophischen Wissens, sondern auch die neuere Entwicklung der Philosophie, insbesondere in den Bereichen Logik, Erkenntnis- und Wissenschaftstheorie sowie Sprachphilosophie. Zugleich finden Grundlagenreflexionen in (...) den Wissenschaften und deren Geschichte ausführliche Berücksichtigung. Die umfassenden Bibliographien und Werkverzeichnisse wurden für die 2. Auflage in allen Artikeln auf den neuesten Stand gebracht. Der Herausgeber Jürgen Mittelstraß, Professor em. für Philosophie und Wissenschaftstheorie an der Universität Konstanz, ist einer der international renommiertesten deutschen Philosophen. 1989 erhielt er den Leibniz-Preis der Deutschen Forschungsgemeinschaft (DFG) und seitdem zahlreiche weitere Wissenschaftspreise sowie Ehrendoktorwürden. Er ist Direktor des Konstanzer Wissenschaftsforums, war Präsident der Academia Europaea (2002-2008) und Vorsitzender des Österreichischen Wissenschaftsrates (2005-2015). Band 1: A-B | Band 2: C-F | Band 3: G-Inn | Band 4: Ins-Loc | Band 5: Log-N | Band 6: O-Ra | Band 7: Re-Te | Band 8: Th-Z. (shrink)

Despite a growing interest in research on spiritual formation, prior studies have not discussed the role of leadership in the formation of Christian character. This article seeks to fill this void by addressing how 1 Thessalonians in general, and 2:1–12 in particular, show Paul's goal and method of leadership for community formation. Written as a letter of friendship to a persecuted church, Paul draws attention to his prior visit in the city as a plumb line for Christian behavior and leadership. (...) As such, the letter contributes to the resocialization of Paul's recent converts, stressing the relationship with himself as well as with each other amidst a hostile environment. The study concludes that Paul's leadership is Christocentric in nature, having modeling, adaptability, and relationships as central components. (shrink)

Research Ethics, Volume 18, Issue 2, Page 132-150, April 2022. Limited research has been done among pregnant people participating in investigational drug trials. To enhance the ethical understanding of pregnant people’s perspectives on research participation, we sought to describe motives and risk perceptions of participants in a phase 1 trial of ledipasvir/sofosbuvir treatment for chronic Hepatitis C virus during pregnancy. Pregnant people with chronic HCV infection enrolled in an open-label, phase 1 study of LDV/SOF participated in semi-structured, in-depth interviews to (...) explore their reasons for participation and experiences within the study. Pregnant people took 12 weeks of LDV/SOF and were interviewed at enrollment and at the end of study. We recorded the interviews, transcribed them verbatim, coded them using NVivo software, and performed inductive thematic analysis. Nine women completed the study yielding 18 interview transcripts. We identified two themes regarding motives and one regarding risk perception. Motives— Women conceptualized study participation as part of the caregiving role they associate with motherhood; participating was viewed as an act of caregiving for their infants, their families, themselves, and other pregnant women with chronic HCV. Women also noted that they faced multiple barriers to treatment prior to pregnancy that created a desire to receive therapy through trial participation. Risk perception— Women acknowledged personal and fetal risk associated with participation. Acceptance of risk was influenced by women’s concepts of motherhood, preexisting knowledge of HCV and medical research, family members, intimate partners, or by the study design. Women enrolled in a phase 1 trial for chronic HCV therapy during pregnancy acknowledged risks of participation and were motivated by hopes for fetal and personal benefit and by lack of prenatal access to treatment. Ethical inclusion of pregnant people in research should acknowledge structural factors that contribute to vulnerability and data deficiencies for treatment in pregnancy. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:522 BOOK REVIEWS The Reason of Following: Christology and the Ecstatic I. By ROBERT P. ScHARLEMANN. Chicago: University of Chicago Press, 1992. Pp. 214. $32.50 (cloth). Robert P. Scharlemann is Commonwealth Professor of Religious Studies at the University of Virginia. Writing in the tradition of Bultmann 's observation that speaking of God requires speaking of oneself, he conceives of christology as a distinctive form of reason, a philosophical /theological (...) anthropology in which the logic of discipleship occupies a prominent place. Accordingly, The Reason of Following is a sustained pursuit of " an articulated understanding of the nature and constitution of human being" (p. 1), a theme which Scharlemann sees as a component of christology which has wrongly been eclipsed by other dimensions in more traditional presentations. The goal of Scharlemann's work is to bring into view " the nature of the relation that is implied when it is reported, for example, that Jesus said' Follow me! ' and there were those who 'immediately' followed.... What is the nature of the ' following ' on the part of those who will ' immediately ' follow the summons of one whose name is ' I am '? And who is the ' I ' of the ' I am ' in the person who makes the summons? " (p. 88). Each of the four themes sounded in this cita· tion-the call to discipleship, the immediacy of following, the identification of Jesus as ' I am,' and the designation of the specifics of the disciples' relationship to Jesus as an example, but no more than an ex· ample, of a broader possibility of human existence-is a fundamental element in Scharlemann's conception of christology. Operating on the principle that the traditional definition of a human being as a rational animal can be replaced by the existential definition " ' I ' am here " (cf. p. ix), Scharlemann devotes two lengthy introductory chapters to explicating the significance of this shift from " what " a human being is to " where " and " when " it is. Dr.awing especially on Descartes, Luther, Kierkegaard, Heidegger, and Fichte, his studies of the subjectivity and being of the self accent the import· ance of the I as subject and explore the differences between the I of pure actuality shown in the method of doubt, the I of pure possibility shown in the anticipation of death, and the I of pure freedom shown in the evocation of trust. Against this background, reflections on the na· ture of following envisage an additional possible I, one summoned by the call to be wholly in the world, in finite freedom. Before investigating the christological relation as " a rational form of its own" (p. viii), Scharlemann offers a preliminary analysis of modes of thinking. Distinguishing between thinking ("the openness BOOK REVIEWS 523 of the self to what is other than thinking" [p. 62]) and reason ("the configuration of this openness" [p. 62], i.e., "a definite way in which the self is related to its other through an activity " [p. 103] ), he argues that thinking always appears in one of two basic modes: understanding of being, or faith in God. These two modes-not to he confused with forms of reason-cover the entire field of thinking: " When we trust anyone at all, we are trusting God, just as, when we understand anything at all, we understand being" {p. 76). While aware that his implied definition of faith differs from those of the Christian theological tradition and is not serviceable for purposes of historical theology, Scharlemann opts nonetheless for a terminology which draws " as clearly as possible the parallel between faith and understanding as two modes of thinking whose own object is as such beyond the understanding of being and the faith in God " (p. 77). Turning to the specific form of reason which is the hook's chief concern, Scharlemann devotes a central chapter to " The Exstantial I in Christological Reason." After a critique of traditional christologies, he adumbrates a christology which seeks to depict the self of discipleship as one in which " the other to which the self relates itself is the inwardness of the self without being a projection from that inwardness " (p. 96). Appealing to the principle that the notion of the self as related to... (shrink)

RESUMENLa melancolía no era desconocida en el mundo clásico. Al contrario, era un ámbito en el que los hombres melancólicos abundaban. Aristóteles, en el texto de Problemas XXX, 1, introduce una precisión acerca de este tema. Dice: Todos los hombres excepcionales son melancólicos. Esta condición obedece, según el Estagirita, a causa físicas –un exceso de bilis negra- y, por tanto, todos aquellos que tengan este exceso participarán también de la excepcionalidad que está reservada a los grandes personajes. Se trata de (...) una afirmación extraña si tenemos en cuenta otros pasajes aristotélicos y que ha provocado interpretaciones diversas y abundantes comentarios. En este trabajo propongo analizar la cuestión de la melancolía en ese texto aristotélico a partir, en primer lugar, de la ubicación del problema en el mundo clásico, avanzando luego hacia una definición de melancolía según el espíritu del Estagirita y su ubicación dentro del corpus doctrinal para finalizar con una conclusión que propone una interpretación base en algunos conceptos de matriz medieval.PALABRAS CLAVEMelancolía - Genialidad - Aristóteles - Tomás de AquinoABSTRACTMelancholy was not unknown in the classic era. On the contrary, that was a time in which melancholic men were many. Aristotle, in the Problems XXX, 1, introduces a precision about this topic. He says: All the exceptional men are melancholic. This condition obeys, according to the Estageira-born, to physical causes – an excess of black bile - and, therefore, all those who have this excess will take part also of the exceptional nature that is reserved to the eminent figures. That is a strange statement if we bear in mind other Aristotelic passages, and it has raised a wide range of interpretations as well as numerous comments. In this work I analyze the question of melancholy in this text, beginning with the contextualization of the problem in the classic world, advancing then towards a definition of melancholy according to the spirit of the Estageira-born and its place inside his doctrinal corpus, finishing with a conclusion that proposes a basic interpretation in some concepts of medieval inspiration.KEYWORDSMelancholy, genius, Aristotle, Thomas Aqu. (shrink)

This article examines a series of Schelling-like models of residential segregation, in which agents prefer to be in the minority. We demonstrate that as long as agents care about the characteristics of their wider community, they tend to end up in a segregated state. We then investigate the process that causes this and conclude that the result hinges on the similarity of informational states among agents of the same type. This is quite different from Schelling-like behavior and suggests that segregation (...) is an instance of macrobehavior that can arise from a wide variety of micromotives. (shrink)

Ambos-Spies, K. and R.A. Shore, Undecidability and 1-types in the recursively enumerable degrees, Annals of Pure and Applied Logic 63 3–37. We show that the theory of the partial ordering of recursively enumerable Turing degrees is undecidable and has uncountably many 1-types. In contrast to the original proof of the former which used a very complicated O''' argument our proof proceeds by a much simpler infinite injury argument. Moreover, it combines with the permitting technique to get similar results for any (...) ideal of the r.e. degrees. (shrink)