Jean-Pierre Dupuy, prophet of what he calls "enlightened doomsaying," has long warned that modern society is on a path to self-destruction. In this book, he pleads for a subversion of this crisis from within, arguing that it is our lopsided view of religion and reason that has set us on this course. In denial of our sacred origins and hubristically convinced of the powers of human reason, we cease to know our own limits: our disenchanted world leaves us defenseless (...) against a headlong rush into the abyss of global warming, nuclear holocaust, and the other catastrophes that loom on our horizon. Reviving the religious anthropology of Max Weber, Emile Durkheim, and Marcel Mauss and in dialogue with the work of René Girard, Dupuy shows that we must remember the world's sacredness in order to keep human violence in check. A metaphysical and theological detective, he tracks the sacred in the very fields where human reason considers itself most free from everything it judges irrational: science, technology, economics, political and strategic thought. In making such claims, The Mark of the Sacred takes on religion bashers, secularists, and fundamentalists at once. Written by one of the deepest and most versatile thinkers of our time, it militates for a world where reason is no longer an enemy of faith. (shrink)

There is a theorem that shows that it is impossible for an algorithm to jointly satisfy the statistical fairness criteria of Calibration and Equalised Odds non-trivially. But what about the recently advocated alternative to Calibration, Base Rate Tracking? Here, we show that Base Rate Tracking is strictly weaker than Calibration, and then take up the question of whether it is possible to jointly satisfy Base Rate Tracking and Equalised Odds in non-trivial scenarios. We show that it is not, thereby establishing (...) an even more general impossibility theorem. (shrink)

I provide a characterization of weakly pseudo-rationalizable choice functions---that is, choice functions rationalizable by a set of acyclic relations---in terms of hyper-relations satisfying certain properties. For those hyper-relations Nehring calls extended preference relations, the central characterizing condition is weaker than (hyper-relation) transitivity but stronger than (hyper-relation) acyclicity. Furthermore, the relevant type of hyper-relation can be represented as the intersection of a certain class of its extensions. These results generalize known, analogous results for path independent choice functions.

Rush Rhees (1905-1989) was a philosopher, and a pupil and close friend of Ludwig Wittgenstein. While some of Rhees's own published papers became classics, most of his work remained unpublished during his lifetime. After his death, his papers were found to comprise sixteen thousand pages of manuscript on every aspect of philosophy, from philosophical logic to Simone Weil. This collection of unpublished papers, edited by D. Z. Phillips, includes Rhees's outstanding work on philosophy and religion. Written over an academic (...) lifetime, some of the papers are sympathetic to religion while others are not. It is Rhees's ability to interweave the personal and philosophical, and his integrity and intellectual honesty, which make this one of the most impressive books in twentieth-century philosophy of religion. (shrink)

Bien des difficultés que nous éprouvons à comprendre les oeuvres philosophiques des Anciens proviennent souvent du fait que nous commmettons en les interprétant un double anachronisme: nous croyons que, comme beaucoup d'oeuvres modernes, elles sont destinées à communiquer des informations concernant un contenu conceptuel donné et que nous pouvons aussi en tirer directement des renseignements clairs sur la pensée et la psychologie de leur auteur. Mais en fait, elles sont très souvent des exercices spirituels que l'auteur pratique lui-même et fait (...) pratiquer à son lecteur. Elles sont destinées à former les âmes. Elles ont une valeur psychagogique. (shrink)

Are there any advantages to thinking and speaking about ethical business in the language of citizenship? We will address this question in part by looking at the possible relevance of a vast literature on individual citizenship that has been produced by political philosophers over the last fifteen years. Some of the central elements of citizenship do not seem to apply straightforwardly to corporations. E.g., “citizenship” typically implies membership in a state and an identity akin to national identity; but this connotation (...) of citizenship is obviously problematic for multinational corporations. However, the language of citizenship does help to focus our attention on various legal and political virtues (or vices) for corporations—topics that have been largely neglected by discussions under other rubrics, such as CSR or sustainability. We finish with an evaluation of the potential benefits and costs of conceptualizing and talking about ethical business practices in the language of citizenship. (shrink)

Are there any advantages to thinking and speaking about ethical business in the language of citizenship? We will address this question in part by looking at the possible relevance of a vast literature on individual citizenship that has been produced by political philosophers over the last fifteen years. Some of the central elements of citizenship do not seem to apply straightforwardly to corporations. E.g., “citizenship” typically implies membership in a state and an identity akin to national identity; but this connotation (...) of citizenship is obviously problematic for multinational corporations. However, the language of citizenship does help to focus our attention on various legal and political virtues (or vices) for corporations—topics that have been largely neglected by discussions under other rubrics, such as CSR or sustainability. We finish with an evaluation of the potential benefits and costs of conceptualizing and talking about ethical business practices in the language of citizenship. (shrink)

In traditional epistemology, psychological self-knowledge is taken to be the paradigm of privleged a priori knowledge. According to an influential incompatibilist line of thought, traditional epistemic features attributed to psychological self-knowledge are supposed to be inconsistent with content externalism. In this paper, I examine one prominent compatibilist response by an advocate of content externalism, i.e., Fred Dretske's answer tot he incompatibilist argument, based on the model of displaced perceptual knowledge. I discuss the costs and benefits of his answer.

The question of how the probabilistic opinions of different individuals should be aggregated to form a group opinion is controversial. But one assumption seems to be pretty much common ground: for a group of Bayesians, the representation of group opinion should itself be a unique probability distribution, 410–414, [45]; Bordley Management Science, 28, 1137–1148, [5]; Genest et al. The Annals of Statistics, 487–501, [21]; Genest and Zidek Statistical Science, 114–135, [23]; Mongin Journal of Economic Theory, 66, 313–351, [46]; Clemen and (...) Winkler Risk Analysis, 19, 187–203, [7]; Dietrich and List [14]; Herzberg Theory and Decision, 1–19, [28]). We argue that this assumption is not always in order. We show how to extend the canonical mathematical framework for pooling to cover pooling with imprecise probabilities by employing set-valued pooling functions and generalizing common pooling axioms accordingly. As a proof of concept, we then show that one IP construction satisfies a number of central pooling axioms that are not jointly satisfied by any of the standard pooling recipes on pain of triviality. Following Levi, 3–11, [39]), we also argue that IP models admit of a much better philosophical motivation as a model of rational consensus. (shrink)

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)

In this book, Rhees brings out the continuity in Wittgenstein's thought, and the radical character of his conclusions.

In these discussions, Rush Rhees, who was a student and close friend of Wittgenstein, works out what he has learned from Wittgenstein's personal teaching and from study of his published and (at the time) unpublished writings. Some are review articles of books on Wittgenstein, and these are devoted to exposition of Wittgenstein's views. Others are independent discussions of special points in Wittgenstein's philosophy. The longest article, here published for the first time, is an account or record of what Wittgenstein (...) said about continuity in private discussion in 1938. (shrink)

Essays offer a glimpse of the Vienna-born philosopher's personality, character, and life's work.

Four years after the publication of Wittgenstein's Investigations, Rush Rhees began writing critical reflections on the masterpiece he had helped to edit. In this edited collection of his previously unpublished writings, Rhees argues, contra Wittgenstein, that although language lacks the unity of a calculus it is not simply a family of language games. The unity of language is found in its dialogical character. It is in this context that we say something, and grow in understanding: notions not captured in (...) Wittgenstein's emphasis on language games, following rules, and using language. Rhees develops Wittgenstein's notion that to imagine a language is to image a form of life, without suggesting that we are all engaged in an all-inclusive conversation. The result is not only a major contribution to Wittgenstein scholarship, but an original discussion of central philosophical questions concerning the possibility of discourse. (shrink)

In many assessment problems—aptitude testing, hiring decisions, appraisals of the risk of recidivism, evaluation of the credibility of testimonial sources, and so on—the fair treatment of different groups of individuals is an important goal. But individuals can be legitimately grouped in many different ways. Using a framework and fairness constraints explored in research on algorithmic fairness, I show that eliminating certain forms of bias across groups for one way of classifying individuals can make it impossible to eliminate such bias across (...) groups for another way of dividing people up. And this point generalizes if we require merely that assessments be approximately bias-free. Moreover, even if the fairness constraints are satisfied for some given partitions of the population, the constraints can fail for the coarsest common refinement, that is, the partition generated by taking intersections of the elements of these coarser partitions. This shows that these prominent fairness constraints admit the possibility of forms of intersectional bias. (shrink)

Our aim here is to present a result that connects some approaches to justifying countable additivity. This result allows us to better understand the force of a recent argument for countable additivity due to Easwaran. We have two main points. First, Easwaran’s argument in favour of countable additivity should have little persuasive force on those permissive probabilists who have already made their peace with violations of conglomerability. As our result shows, Easwaran’s main premiss – the comparative principle – is strictly (...) stronger than conglomerability. Second, with the connections between the comparative principle and other probabilistic concepts clearly in view, we point out that opponents of countable additivity can still make a case that countable additivity is an arbitrary stopping point between finite and full additivity. (shrink)

Recent impossibility theorems for fair risk assessment extend to the domain of epistemic justice. We translate the relevant model, demonstrating that the problems of fair risk assessment and just credibility assessment are structurally the same. We motivate the fairness criteria involved in the theorems as also being appropriate in the setting of testimonial justice. Any account of testimonial justice that implies the fairness/justice criteria must be abandoned, on pain of triviality.

Merging of opinions results underwrite Bayesian rejoinders to complaints about the subjective nature of personal probability. Such results establish that sufficiently similar priors achieve consensus in the long run when fed the same increasing stream of evidence. Initial subjectivity, the line goes, is of mere transient significance, giving way to intersubjective agreement eventually. Here, we establish a merging result for sets of probability measures that are updated by Jeffrey conditioning. This generalizes a number of different merging results in the literature. (...) We also show that such sets converge to a shared, maximally informed opinion. Convergence to a maximally informed opinion is a (weak) Jeffrey conditioning analogue of Bayesian “convergence to the truth” for conditional probabilities. Finally, we demonstrate the philosophical significance of our study by detailing applications to the topics of dynamic coherence, imprecise probabilities, and probabilistic opinion pooling. (shrink)

When in May 1930, the Council of Trinity College, Cambridge, had to decide whether to renew Wittgenstein's research grant, it turned to Bertrand Russell for an assessment of the work Wittgenstein had been doing over the past year. His verdict: The theories contained in this new work... are novel, very original and indubitably important. Whether they are true, I do not know. As a logician who like simplicity, I should like to think that they are not, but from what I (...) have read of them I am quite sure that he ought to have the opportunity to work them out, since, when completed, they may easily prove to constitute a whole new philosophy. (shrink)

This paper generalizes rationalizability of a choice function by a single acyclic binary relation to rationalizability by a set of such relations. Rather than selecting those options in a menu that are maximal with respect to a single binary relation, a weakly pseudo-rationalizable choice function selects those options that are maximal with respect to at least one binary relation in a given set. I characterize the class of weakly pseudo-rationalizable choice functions in terms of simple functional properties. This result also (...) generalizes Aizerman and Malishevski's characterization of pseudo-rationalizable choice functions, that is, choice functions rationalizable by a set of total orders. (shrink)

Rush Rhees questions the viability of moral theories and the general claims they make in ethics. He shows how one can both be concerned with knowing what one ought to do while recognizing that one's answer is a personal one. These insights, arrived at in a distinctive style, characteristic of Rhees, are then applied to issues of life and death, human sexuality, and our relations to animals. To recognize why philosophy cannot answer such questions for us is an affirmation, (...) not a denial, of their importance. (shrink)

Pierre Bourdieu is arguably one of the twentieth century’s greatest socio-philosophical thinkers and his writings have much to offer anyone interested in the ways that people value, consume and produce architecture. Bourdieu spent much of his life attempting to understand cultural consumption and production through detailed empirical research that included studies of dwellings, art, museums, photography and aesthetics. This book introduces the architectural reader to Bourdieu’s key writings on culture and outlines the ways in which they offer powerful practical (...) tools and novel conceptual frameworks for understanding architectural value, taste, and practice. (shrink)

We explore which types of probabilistic updating commute with convex IP pooling. Positive results are stated for Bayesian conditionalization, imaging, and a certain parameterization of Jeffrey conditioning. This last observation is obtained with the help of a slight generalization of a characterization of externally Bayesian pooling operators due to Wagner :336–345, 2009). These results strengthen the case that pooling should go by imprecise probabilities since no precise pooling method is as versatile.

Le chaos définit notre siècle. Rien d'apocalyptique dans cette affirmation, qui ne condamne pas nécessairement le monde à l'état de cendre et de poussière. Le chaos définit simplement l'imprévisibilité, l'imprédictibilité et l'incertitude de nos sociétés complexes et instables dont l'homme maîtrise de moins en moins l'évolution. Jusqu'à aujourd'hui notre morale reposait essentiellement sur la maîtrise. Il nous faut maintenant apprendre à vivre autrement, c'est-à-dire en fonction de l'immaîtrisable. Ce qui ne signifie pas qu'il faut consentir au chaos comme s'il nous (...) était destiné. Le chaos n'est ni bon ni mauvais, il n'est ni pour l'homme ni contre l'homme: il lui est étranger. Et c'est pourquoi il requiert au fond de nous une force qui, sans prétendre accéder à la maîtrise du monde, nous permette d'assumer et d'affronter son étrangeté. Cette force, je l'appelle "l'Empire de soi". L'Empire de soi se distingue de la maîtrise de soi. Il s'agit non pas pour l'homme de dompter les énergies et les pulsions qui le traversent, mais, au contraire, de faire l'expérience initiale de son impuissance face au chaos du monde, afin de construire, à l'épreuve de sa faiblesse et de ses fragilités originaires, sa force la plus propre. Morale et chaos décrit ainsi les étapes de la constitution de cette force que le sentiment même de notre impuissance permet de constituer, sans fondement, mais par notre seule capacité à endurer le temps et à s'y maintenir pour mieux y passer et le faire passer à travers lui-même. (shrink)

Supra-Bayesianism is the Bayesian response to learning the opinions of others. Probability pooling constitutes an alternative response. One natural question is whether there are cases where probability pooling gives the supra-Bayesian result. This has been called the problem of Bayes-compatibility for pooling functions. It is known that in a common prior setting, under standard assumptions, linear pooling cannot be nontrivially Bayes-compatible. We show by contrast that geometric pooling can be nontrivially Bayes-compatible. Indeed, we show that, under certain assumptions, geometric and (...) Bayes-compatible pooling are equivalent. Granting supra-Bayesianism its usual normative status, one upshot of our study is thus that, in a certain class of epistemic contexts, geometric pooling enjoys a normative advantage over linear pooling as a social learning mechanism. We discuss the philosophical ramifications of this advantage, which we show to be robust to variations in our statement of the Bayes-compatibility problem. (shrink)

This text has as a purpose the realization of a comparative analysis between two points view about the history of science. Ilya Prigogine (Nobel Prize 1977) and Eduardo Nicol (Mexican-Spanish philosopher) discuss about time and history of science, allowing us to find a coincidence between physics an..

Our challenge begins with America's aversion to science. The problem is, of course, that nonscientists could understand scientific thinking, and would understand it, if they were encouraged and expected to do so. Though Members of Congress and their staff may avoid science, the institution itself cannot. Until the day comes when science is fully integrated into education for all, and even Members of Congress and congressional staff Members can deal with technical subjects, we will need special help for our legislation. (...) Likewise, ensuring that good science informs and infuses good public policy requires scientists engage in the process of self-governance. Science should not only be a tool of public policy, it should be its foundation. With a scientifically literate society and public policy grounded in sound science, America can maintain its leadership in the emerging global knowledge economy. Without these, America will lose the very things that have fueled its greatness. (shrink)

A distinguished discussion of Weil's views on social philosophy, science, ethics, and religion.

For two ideally rational agents, does learning a finite amount of shared evidence necessitate agreement? No. But does it at least guard against belief polarization, the case in which their opinions get further apart? No. OK, but are rational agents guaranteed to avoid polarization if they have access to an infinite, increasing stream of shared evidence? No.

Martin Heidegger's overt alliance with the Nazis and the specific relation between this alliance and his philosophical thought - the degree to which his concepts are linked to a thoroughly disreputable set of political beliefs - have been the topic of a storm of recent debate. Written ten years before this debate, this study by France's leading sociologist and cultural theorist is both a precursor of that debate and an analysis of the institutional mechanisms involved in the production of philosophical (...) discourse. Though Heidegger is aware of and acknowledges the legitimacy of purely philosophical issues (in his references to canonic authors, traditional problems, and respect for academic taboos), Bourdieu points out that the complexity and abstraction of Heidegger's philosophical discourse stems from its situation in the cultural field, where two social and intellentual dimensions - political thought and academic thought - intersect. Bourdieu concludes by suggesting that Heidegger should not be considered as a Nazi ideologist, that there is no place in Heidegger's philosophical ideas for a racist conception of the human being. Rather, he sees Heidegger's thought as a structural equivalent in the field of philosophy of the 'conservative revolution', of which nazism is but one manifestation. (shrink)

An aspect of Peirce’s thought that may still be underappreciated is his resistance to what Levi calls _pedigree epistemology_, to the idea that a central focus in epistemology should be the justification of current beliefs. Somewhat more widely appreciated is his rejection of the subjective view of probability. We argue that Peirce’s criticisms of subjectivism, to the extent they grant such a conception of probability is viable at all, revert back to pedigree epistemology. A thoroughgoing rejection of pedigree in the (...) context of probabilistic epistemology, however, _does_ challenge prominent subjectivist responses to the problem of the priors. (shrink)