Are the real numbers rich enough to measure intelligence? We generalize a result of Alexander and Hutter about the so-called Legg-Hutter intelligence measures of reinforcement learning agents. Using the generalized result, we exhibit a paradox: in one particular version of the Legg-Hutter intelligence measure, certain agents all have intelligence 0, even though in a certain sense some of them outperform others. We show that this paradox disappears if we vary the Legg-Hutter intelligence measure to be hyperreal-valued rather than real-valued.

I argue that Spinoza endorses "conceptual dependence monism," the thesis that all forms of metaphysical dependence (such as causation, inherence, and existential dependence) are conceptual in kind. In the course of explaining the view, I further argue that it is actually presupposed in the proof for his more famed substance monism. Conceptual dependence monism also illuminates several of Spinoza’s most striking metaphysical views, including the intensionality of causal contexts, parallelism, metaphysical perfection, and explanatory rationalism. I also argue that this priority (...) of the conceptual does not commit Spinoza to forms of idealism or mentalism. The question of how to understand different kinds of metaphysical dependence is quite controversial in Spinoza studies; I address major alternative readings in the notes. But there I also try to draw connections to the growing debate in contemporary discussions about metaphysical dependence, as this topic is a happy point of shared interest between Spinoza and contemporary metaphysicians alike. (shrink)

À propos de : James C. Scott, Homo Domesticus. Une histoire profonde des premiers États [2017], traduit de l’anglais par Marc Saint-Upéry, Paris, La Découverte, 2019, 302 p. Avec la traduction d’Homo Domesticus, les éditions La Découverte mettent à la disposition du lectorat français le dernier livre d’anthropologie anarchiste de James C. Scott, professeur émérite de science politique et d’anthropologie à l’Université de Yale. On appelle ce courant de recherche « anarchiste » parce qu’il s’i...

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Understanding inductive reasoning is a problem that has engaged mankind for thousands of years. This problem is relevant to a wide range of fields and is integral to the philosophy of science. It has been tackled by many great minds ranging from philosophers to scientists to mathematicians, and more recently computer scientists. In this article we argue the case for Solomonoff Induction, a formal inductive framework which combines algorithmic information theory with the Bayesian framework. Although it achieves excellent theoretical results (...) and is based on solid philosophical foundations, the requisite technical knowledge necessary for understanding this framework has caused it to remain largely unknown and unappreciated in the wider scientific community. The main contribution of this article is to convey Solomonoff induction and its related concepts in a generally accessible form with the aim of bridging this current technical gap. In the process we examine the major historical contributions that have led to the formulation of Solomonoff Induction as well as criticisms of Solomonoff and induction in general. In particular we examine how Solomonoff induction addresses many issues that have plagued other inductive systems, such as the black ravens paradox and the confirmation problem, and compare this approach with other recent approaches. (shrink)

Explaining Mental Illness est un manuel de sociologie sur la santé mentale dont l’ambition est explicitée dès l’introduction: il s’agit d’articuler les recherches sur la santé mentale avec la sociologie générale. Le livre est coécrit par Baptiste Brossard et Amy Chandler, tous les deux spécialistes de l’automutilation et du suicide, ainsi que chercheurs à l’université de York (Royaume-Uni). L’originalité de l’ouvrage se reflète dans son titre, il s’agit d’expliquer (explaining) la santé menta...

I was led to philosophy by politics. There can be no foundation for political action except in ethics; and there can be no foundation for ethics except in some form of metaphysics, whether religious or other. And one cannot travel very far along the philosophic road— particularly if one has in mind the need of arriving at some definite destination—without finding as an obstacle the perennial problem of Free Will. It is an obstacle which has somehow to be crossed. It (...) cannot be evaded or ignored. The man who is dealing with public affairs—with the principles of Criminal Law, for example, or with the factors that make for peace or war, and indeed with any of the major questions that confront our society—if he tries to think things out, is faced constantly by the problem of individual human responsibility; just as the man of religion is faced by it constantly. (shrink)

Most of the literature on the ethics of psychopharmacology has focused on the question of whether altering our emotions by using drugs is somehow inauthentic. In this essay I argue that this focus on authenticity is misplaced and that the more important question concerns the nature of the emotions themselves. I show that what one takes the emotions to be is possibly the most important factor in deciding whether or not psychopharmacology is morally problematic and, if so, why. I illustrate (...) how theories of the emotions determine the ethics of psychopharmacology, but deliberately take no stance on what the correct theory of the emotions is. My aim here is not to reach firm conclusions about the issues anti-depressants and similar drugs raise, but to set the terms for a more fruitful debate about these issues. (shrink)

Serena Olsaretti brings together new essays by leading moral and political philosophers on the nature of desert and justice, their relations with each other and with other values.

The words “for no reason” hang over Job's story like the sword of Damocles. When the sword falls, we are plunged into a world that seems to hold “no more beginnings.” Why Israel's scriptures should include such a story, and why this story seeds any new beginnings for life “east of Eden,” is Job's question ... and ours.

This paper addresses questions of friendship and political community by investigating a particular complex case, comradeship in the life of the soldier. Close attention to soldiers’ accounts of their own lives, successes and failures shows that the relationship of friendship to comradeship, and of both to the success of the soldier’s individual and communal life, is complex and tense. I focus on autobiographical accounts of basic training in order to describe, and to explore the tensions between, two positions: (1) Becoming (...) a soldier is a corrupting loss of individuality and moral sensitivity, and friendship is resistance to it. (2) Becoming a soldier is one form of flourishing, and comradeship—the soldier’s distinctive form of friendship—is one of its constitutive virtues. I draw particularly on George Orwell’s account of basic training and fighting in the Spanish Civil War, and on Tim O’Brien’s account of basic training and fighting in Vietnam. (shrink)

This article explores the transformation of play in the sport field by combining Johan Huizinga’s historical observations of play with Pierre Bourdieu’s concepts of field, capital and habitus, using Australian football in the AFL as a case study. By developing this theory, this analysis provides a means of understating how the economic and media fields have transformed play, which has ultimately weakened the community. Furthermore, by interpreting Huizinga’s observations using Bourdieu’s concepts, I have provided Huizinga’s observations with a theoretical framework (...) and structure that ensures his observations can be applied to today’s society to understand how and why the play element has changed and what the consequences of such change are for the community. (shrink)

ḥeleḳ 1. A-Ṭ -- ḥeleḳ 2. Y-S -- ḥeleḳ 3. ʻA-T.

Super-Humeans argue that the most parsimonious ontology of the natural world compatible with our best physical theories consists exclusively of particles and the distance relations between them. This paper argues by contrast that Super-Humean reduction goes insufficiently far, by showing there to be a more parsimonious ontology compatible with physics: Ultimate-Humeanism. This novel view posits an ontology consisting solely of the particles and distance relations required for the existence of a single brain. Super-Humeans impose conditions on what counts as an (...) ontology of the natural world to avoid their view slipping into this kind of ontology, but these conditions are arbitrarily imposed and once this is exposed, Super-Humeans face a dilemma. Either they can embrace Ultimate-Humeanism as the minimal ontology of the natural world compatible with physics, or (more likely) they can rethink the methodology that got them there. Overall, this paper argues that Super-Humeanism currently lacks principled motivation, outlines a framework for naturalistic ontological reductions, and exposes the consequences of unchecked adherence to a simplicity-driven methodology. (shrink)

Les études qui portent sur la stigmergie, ou qui l'exploitent pour le développement et la compréhension d'autres objets – comme la cognition sociale, les communs créatifs ou les systèmes adaptatifs complexes par exemple –, connaissent un essor extraordinaire depuis la fin des années 1990 ([11], [12], [22], [38]), essor frappé d'un caractère encore très exploratoire, puisqu'il n'en existe pas à ce jour de théorie unifiée, cohérente et consensuelle. Elle avait pourtant un sens très précis et un...