Additionally, the text shows how to develop computationally feasible methods to mesh with this framework.

Special issue. With contributions by Malcolm Forster, Rocio Garcia-Rotamero and Ulrich Hoffrage, Christian Jakob, Kevin Korb and Erik Nyberg, Michael Smithson, Daniel Steel, Brad Weslake, and Jon Williamson.

Combining testimonial reports from independent and partially reliable information sources is an important epistemological problem of uncertain reasoning. Within the framework of Dempster–Shafer theory, we propose a general model of partially reliable sources, which includes several previously known results as special cases. The paper reproduces these results on the basis of a comprehensive model taxonomy. This gives a number of new insights and thereby contributes to a better understanding of this important application of reasoning with uncertain and incomplete information.

In everyday life, as well as in science, we have to deal with and act on the basis of partial (i.e. incomplete, uncertain, or even inconsistent) information. This observation is the source of a broad research activity from which a number of competing approaches have arisen. There is some disagreement concerning the way in which partial or full ignorance is and should be handled. The most successful approaches include both quantitative aspects (by means of probability theory) and qualitative aspect (by (...) means of graphical or causal models or logic). Some of these approaches have important impacts on various disciplines including philosophy, computer science, statistics, mathematics, physics, and social science. Most notably, the relation between causal and probabilistic information is a topic of interest in all of these fields. (shrink)

In everyday life, as well as in science, we have to deal with and act on the basis of partial (i.e. incomplete, uncertain, or even inconsistent) information. This observation is the source of a broad research activity from which a number of competing approaches have arisen. There is some disagreement concerning the way in which partial or full ignorance is and should be handled. The most successful approaches include both quantitative aspects (by means of probability theory) and qualitative aspect (by (...) means of graphical or causal models or logic). Some of these approaches have important impacts on various disciplines including philosophy, computer science, statistics, mathematics, physics, and social science. Most notably, the relation between causal and probabilistic information is a topic of interest in all of these fields. The general question of how uncertainty is related to ignorance, and the connection thereof to causality, have been the key topics of the international summer school at the University of Konstanz, Germany, in August 2004. This was the third event in a series of summer schools organized by the interdisciplinary research group “Philosophy, Probability, and Modeling”. The group was in operation from September 1st, 2001, until August 31, 2005. The first summer school, held in September 2002, focused on the application of probability theory to topics of philosophical interest. Problems and questions that arise when probabilistic models and techniques are being applied in the special sciences were then discussed during the second summer school, held in July 2003. The fourth and final event in the series, in August 2005, was devoted to philosophical questions related to the application and interpretation of probabilities in physics. Each of the four summer schools attracted 40–50 people from many different countries. It was an inspiring forum for an interdisciplinary discussion among researchers and students from many different areas. This special issue collects a selection of the invited and contributed papers presented at the summer school in 2004. We acknowledge the generous support of the Center for Junior Research Fellows at the University of Konstanz, the Gesellschaft für analytische Philosophie e.V., the Centre for Philosophy of Natural and Social Science at the London School of Economics, the Alexander von Humboldt Foundation, the Federal Ministry of Education and Research and the Program for the Investment in the Future (ZIP) of the German Government through a Sofja Kovalevskaja Award. We thank the referees of the papers for their work, and James Moor for his interest in dedicating a special issue of this journal to Causality, Uncertainty and Ignorance. (shrink)

This paper presents the progicnet programme. It proposes a general framework for probabilistic logic that can guide inference based on both logical and probabilistic input. After an introduction to the framework as such, it is illustrated by means of a toy example from psychometrics. It is shown that the framework can accommodate a number of approaches to probabilistic reasoning: Bayesian statistical inference, evidential probability, probabilistic argumentation, and objective Bayesianism. The framework thus provides insight into the relations between these approaches, it (...) illustrates how the results of different approaches can be combined, and it provides a basis for doing efficient inference in each of the approaches. (shrink)

Summary. This paper proposes a common framework for various probabilistic logics. It consists of a set of uncertain premises with probabilities attached to them. This raises the question of the strength of a conclusion, but without imposing a particular semantics, no general solution is possible. The paper discusses several possible semantics by looking at it from the perspective of probabilistic argumentation.

A unifying framework of probabilistic reasoning Content Type Journal Article Category Book Review Pages 1-4 DOI 10.1007/s11016-011-9573-x Authors Jan Sprenger, Tilburg Center for Logic and Philosophy of Science, Tilburg University, P.O. Box 90153, 5000 LE Tilburg, The Netherlands Journal Metascience Online ISSN 1467-9981 Print ISSN 0815-0796.

While in principle probabilistic logics might be applied to solve a range of problems, in practice they are rarely applied at present. This is perhaps because they seem disparate, complicated, and computationally intractable. However, we shall argue in this programmatic paper that several approaches to probabilistic logic into a simple unifying framework: logically complex evidence can be used to associate probability intervals or probabilities with sentences.

We provide first-order axioms for the theories of finite trees with bounded branching and finite trees with arbitrary (finite) branching. The signature is chosen to express, in a natural way, those properties of trees most relevant to linguistic theories. These axioms provide a foundation for results in linguistics that are based on reasoning formally about such properties. We include some observations on the expressive power of these theories relative to traditional language complexity classes.

Die Studie «Sittlichkeit und Verbrechen bei Hegel» analysiert den Komplex von Sittlichkeit, Verbrechen und Strafe bei Hegel. Sie verfolgt, wie Hegel das Verbrechen vom Standpunkt der Sittlichkeit aus einerseits als etwas davon Abweichendes beurteilt und andererseits die Strafe als die Realisation des Willens des Verbrechers deduzieren will. Dabei werden die logischen Abstraktionen, unter die Hegel das Verbrechen subsumiert, ebenso einer selbständigen Untersuchung unterzogen wie bei der Untersuchung der Sittlichkeit der Standpunkt der Sittlichkeit. Der Abschnitt der Hegelschen «Rechtsphilosophie» «Die bürgerliche Gesellschaft» (...) wird nachgezeichnet als eine Folge jeweils besonders bestimmter Existenzweisen der Begriffsbestimmungen der Idee der Sittlichkeit. (shrink)

Abduction is considered the most powerful, but also the most controversially discussed type of inference. Based on an analysis of Peirce’s retroduction, Lipton’s Inference to the Best Explanation and other theories, a new theory of abduction is proposed. It considers abduction not as intrinsically explanatory but as intrinsically conditional: for a given fact, abduction allows one to infer a fact that implies it. There are three types of abduction: Selective abduction selects an already known conditional whose consequent is the given (...) fact and infers that its antecedent is true. Conditional-creative abduction creates a new conditional in which the given fact is the consequent and a defined fact is the antecedent that implies the given fact. Propositional-conditional-creative abduction assumes that the given fact is implied by a hitherto undefined fact and thus creates a new conditional with a new proposition as antecedent. The execution of abductive inferences is specified by theory-specific patterns. Each pattern consists of a set of rules for both generating and justifying abductive conclusions and covers the complete inference process. Consequently, abductive inferences can be formalised iff the whole pattern can be formalised. The empirical consistency of the proposed theory is demonstrated by a case study of Semmelweis' research on puerperal fever. (shrink)

Im Zentrum der Untersuchung steht die Philosophie des modernen japanischen Philosophen Kitar??o?? Nishida (1870-1945) und ihr Bezug zur Frage nach der Interkulturalität. Nishidas Philosophie ist einerseits _interkulturell orientierte Philosophie_ - entstanden aus der interkulturellen Begegnung zwischen westlicher und japanischer Kultur im Rahmen des modernen Japans - und andererseits bietet sie einen Ansatz zu einer _Philosophie der Interkulturalität_. Der Ansatz gibt einen neuen Blick auf die globalen geschichtlichen Vorgänge frei - gesehen durch die Augen eines außereuropäischen Denkers. Mit Nishidas Philosophie und (...) ihrer geschichtlichen Stellung wird somit die Frage nach der Moderne im interkulturellen Kontext auf neue Weise virulent, so daß sich neue Fragehorizonte für das Denken der Gegenwart ergeben. (shrink)

A substantial body of empirical evidence shows that individuals overweight extreme events and act in conflict with the expected utility theory. These findings were the primary motivation behind the development of a rank-dependent utility theory for choice under uncertainty. The purpose of this paper is to demonstrate that some simple empirical rules of thumb for choice under uncertainty are consistent with the rank-dependent utility theory.

Die Untersuchung der wallonischen consolatio-Übersetzung führte zur Entdeckung und Neudatierung eines lateinischen consolatio-Kommentars, der auch von Jean de Meun benutzt wurde. Somit kann durch Gegenüberstellung von Vorlage und Übersetzung an einem konkreten Beispiel Einblick in die Übersetzungspraxis im Mittelalter gewonnen werden.

Skeptische Philosophie versteht sich seit ihren Anfängen in der Antike mehr als kritische Denkmethode denn als dogmatisches System. Aus dieser genuin philosophischen Einsicht leitet der englische Philosoph Anthony Ashley Cooper, Third Earl of Shaftesbury (1671-1713), ein Skepsiskonzept im dialogisch-toleranten Sinne ab und rehabilitiert die skeptische Methode als kritisches und progressives Moment von Aufklärung. Diese Studie ist eine umfassende Analyse der Schriften Shaftesburys, wobei der Begriff einer dialogischen Skepsis im Vordergrund steht. Der Skepsisbegriff des englischen Philosophen wird aus der sokratischen Tradition (...) abgeleitet, begriffsgeschichtlich als konstitutives Element in die Theorie von Aufklärung eingebunden und im Hinblick auf die Weiterentwicklung zum Kritizismus und Ethikkonzept Kants analysiert. (shrink)

A brilliant collection of short essays on literary subjects--e.g. Beckett, Balzac, Proust, Thomas Mann, Dickens, Goethe, Heine, the lyric, realism, the essay, and the contemporary novel--by the great social theorist (1903-1969), originally published in 1958 as Noten zur literature (Suhrkamp Verlag, Frankfurt am Main), and here translated by Adorno's former student, Shierry Weber Nicholsen. Annotation copyrighted by Book News, Inc., Portland, OR.

This experimental study examines individuals’ legitimacy judgments. We develop a model that demonstrates the role of attributed motives and corporate credibility for the evaluation of organizational legitimacy and test this model with an experimental vignette study. Our results show that when a corporate activity creates benefits for the firm—in addition to social benefits—individuals attribute more extrinsic motives. Extrinsic motives are ascribed when a corporation is perceived as being driven by external rewards as opposed to an altruistic commitment to a social (...) cause. Extrinsic motives negatively affect corporate credibility and organizational legitimacy judgments. This article contributes to a better understanding of the complex process of organizational legitimacy judgment by shedding light on the individual’s perspective and expounding the relationship between attributed motives, corporate credibility, and organizational legitimacy. (shrink)

Friedman’s view on corporate social responsibility is often accused of being incoherent and of setting rather low ethical standards for managers. This paper outlines Friedman’s ethical expectations for corporate executives against the backdrop of the strong emphasis he puts on individual freedom. Doing so reveals that the ethical standards he imposes on managers can be strictly deduced from individual freedom and that these standards involve both deontological norms and the fulfillment of particular stakeholder expectations. These insights illustrate the necessity to (...) reconsider how Friedman’s approach relates to other important normative theories of business ethics. Contrasting Friedman’s approach with stakeholder theory and integrative social contract theory—when considering the importance he assigns to individual freedom—shows how and why these approaches differ. Still, the comparison also highlights striking similarities. This paper contributes to a better understanding of Friedman’s position—which is still one of the most influential approaches in business ethics research—because it enables a differentiated look at its strengths and weaknesses. (shrink)

Statements of the form ''Osorno is in Chile'' were presented in colors that made them easy or difficult to read against a white background and participants judged the truth of the statement. Moderately visible statements were judged as true at chance level, whereas highly visible statements were judged as true significantly above chance level. We conclude that perceptual fluency affects judgments of truth.

The book is based on documentary and biographical materials that have only recently become available.

The nature and scope of medical humanities are under debate. Some regard this field as consisting of those parts of the humanistic sciences that enhance our understanding of clinical practice and of medicine as historical phenomenon. In this article it is argued that aesthetic experience is as crucial to this project as are humanistic studies. To rightly understand what medicine is about we need to acknowledge the equal importance of two modes of understanding, intertwined and mutually reinforcing: the mode of (...) aesthetic imagination and the mode of analytical reflection. (shrink)

P3 is the most prominent of the electrical potentials of the human electroencephalogram that are sensitive to psychological variables. According to the most influential current hypothesis about its psychological significance [E. Donchin's], the “context updating” hypothesis, P3 reflects the updating of working memory. This hypothesis cannot account for relevant portions of the available evidence and it entails some basic contradictions. A more general formulation of this hypothesis is that P3 reflects the updating of expectancies. This version implies that P3-evoking stimuli (...) are initially unexpected but later become expected. This contradiction cannot be resolved within this formulation. The alternative “context closure” hypothesis retains the concept of “strategic information processing” emphasized by the context updating hypothesis. P3s are evoked by events that are awaited when subjects deal with repetitive, highly structured tasks; P3s arise from subjects' combining successive stimuli into larger units. The tasks in which P3s are elicited can accordingly be classified in terms of their respective formal sequences of stimuli. P3 may be a physiological indicator of excess activation being released from perceptual control areas. (shrink)

Previous research has shown that female leaders lead slightly more effective than male leaders. However, women are still underrepresented in higher management. In this study, we seek to contribute to a deeper understanding of this paradox by proposing and testing an innovative model that integrates different research streams on gender and leadership. Specifically, we propose power motivation and transformational leadership as two central yet opposing dynamics that underlie the relation between gender and leadership role occupancy. We tested this model in (...) a sample of 256 employees. Results provided support for the proposed relations. These findings contribute to a more detailed and comprehensive understanding for central dynamics that link gender and leadership role occupancy. Moreover, they provide important insights for interventions that are targeted at reducing the gender gap in leadership. We discuss the theoretical and practical implications of these findings. (shrink)

This article combines findings from cognitive psychology on the role of processing fluency in truth judgments with epistemological theory on justification of belief. We first review evidence that repeated exposure to a statement increases the subjective ease with which that statement is processed. This increased processing fluency, in turn, increases the probability that the statement is judged to be true. The basic question discussed here is whether the use of processing fluency as a cue to truth is epistemically justified. In (...) the present analysis, based on Bayes’ Theorem, we adopt the reliable-process account of justification presented by Goldman (1986) and show that fluency is a reliable cue to truth, under the assumption that the majority of statements one has been exposed to are true. In the final section, we broaden the scope of this analysis and discuss how processing fluency as a potentially universal cue to judged truth may contribute to cultural differences in commonsense beliefs. (shrink)

Scientific medicine has been successful by ways of an ever more detailed understanding and mastering of bodily functions and dysfunctions. Biomedical research promises new triumphs, but discontent with medical practice is all around. Since several decades this has been acknowledged and discussed. The philosophical traditions of phenomenology and hermeneutics have been proposed as promising ways to approach medical practice, by ways of a richer understanding of the meaning structures of health and illness. In 2000, Swedish philosopher Fredrik Svenaeus published a (...) book where he proposes that the phenomenological hermeneutics of Martin Heidegger and also the reflections on health and illness of Hans-Georg Gadamer offer important ways to approach the nature of medicine. In particular, Svenaeus argues that the goal of medicine is to promote and restore health, and that health ought to be seen as “homelike being-in-the-world”. Unhealth, illness, consequently should be understood as a situation where a person’s “being-in-the-world” in characterized by that lack of the rhythm, balance and “tune” of everyday living that characterizes not “being at home”. In this article, Svenaeus’ position is briefly outlined. Questions are raised whether “unhomelikeness” is to be seen as a metaphor, and, if so, if it is a fruitful such. Furthermore, I discuss whether or not a discourse on health and illness in these terms may be misleading in a situation where the ontological presuppositions of Heidegger are lost out of sight and the popular understanding of health psychology predominates. I also approach the question whether Svenaeus’ assumptions may inadvertently lead us to an unjustifiably broad understanding of the tasks of medicine. It is finally concluded that Svenaeus phenomenological and hermeneutical approach is both interesting and promising. There are, however, several questions that ought to be pursued further, and the step from philosophical analysis to everyday clinical discourse may be unexpectedly long and risky. (shrink)

Perceptual fluency is the subjective experience of ease with which an incoming stimulus is processed. Although perceptual fluency is assessed by speed of processing, it remains unclear how objective speed is related to subjective experiences of fluency. We present evidence that speed at different stages of the perceptual process contributes to perceptual fluency. In an experiment, figure-ground contrast influenced detection of briefly presented words, but not their identification at longer exposure durations. Conversely, font in which the word was written influenced (...) identification, but not detection. Both contrast and font influenced subjective fluency. These findings suggest that speed of processing at different stages condensed into a unified subjective experience of perceptual fluency. (shrink)

This study shows in detail how Suarez' metaphysics synthesize in an original way elements from different traditions of the doctrine of the transcendentals (being, unity, truth, goodness) and thus develops a new fascinating view of a ...