This paper investigates the epistemic assumptions that David Lewis makes in his account of social conventions. In particular, I focus on the assumption that the agents have common knowledge of the convention to which they are parties. While evolutionary analyses show that the common knowledge assumption is unnecessary in certain classes of games, Lewis’ original account (and, more recently, Cubitt and Sugden’s reconstruction) stresses the importance of including it in the definition of convention. I discuss arguments pro et contra to (...) argue that, although the assumption might be relevant to a descriptively adequate account of social convention, it is not required for its rational reconstruction. I then point out that Lewis’ account, properly speaking, is of common reason to believe, rather than of common knowledge, and argue that, in order to formalize aptly the distinction between reason to believe and belief, standard formal epistemic models need to be supplemented with so-called awareness structures. Finally, I stress that the notion of knowledge implicit in Lewis’ text involves interesting elements that cannot be captured in the standard propositional formalizations, but need the full expressive force of quantified epistemic logic. (shrink)

Since belief revision deals with the interaction of belief and information over time, branching-time temporal logic seems a natural setting for a theory of belief change. We propose two extensions of a modal logic that, besides the next-time temporal operator, contains a belief operator and an information operator. The first logic is shown to provide an axiomatic characterization of the first six postulates of the AGM theory of belief revision, while the second, stronger, logic provides an axiomatic characterization of the (...) full set of AGM postulates. © 2006 Elsevier B.V. All rights reserved. (shrink)

The Timaeus is the dialogue that was for many centuries the most influential of Plato’s works. Among its readers we find Descartes, Boyle, Kepler and Heisenberg. In the first division of Timaeus Plato deals with the theory of celestial motion, in the second he presents us with the first mathematical theory of the structure of matter. Here, in a gigantic step forward with respect to the preceding Democritean atomistic theory with its unalterable micro-entities, he introduces the intertransformability of elementary corpuscles (...) and with that the first “chemical” reactions in history. Plato’s geometrical interpretation of Empedocles’ elements and his geometrical atomism is described at the molecular, atomic and sub-atomic level. The “chemical” reactions reported in Timaeus are written in the enlightening chemical symbolism, analogies with modern chemistry are noticed throughout. (shrink)

One important distinction in the debate over the nature of epistemic justification is the one between propositional and doxastic justification. Roughly, while doxastic justification is a property of beliefs, propositional justification is a property of propositions. On a rather common view, which accounts for doxastic justification in terms of propositional justification plus the so-called ‘basing relation’, propositional justification is seen as the prior notion, and doxastic justification is explained in terms of it. According to the opposing view, the direction of (...) explanation needs to be reversed, and doxastic justification should be seen as primary. I distinguish between two notions of priority, and I argue that they give different verdicts with respect to the issue of which notion of justification comes first. The lesson may be taken to be that propositional and doxastic justification are in a relation of intertwinement. (shrink)

Taking the inspiration from some points made by Scott Sturgeon and Albert Casullo, I articulate a view according to which an important difference between undermining and overriding defeaters is that the former require the subject to engage in some higher-order epistemic thinking, while the latter don’t. With the help of some examples, I argue that underminers push the cognizer to reflect on the way she formed a belief by challenging the epistemic worthiness of either the source of justification or the (...) specific justificatory process. By contrast, overriders needn’t pose any such challenge. I also consider some problems for the proposed view, and I put forward some possible solutions. Finally, I provide some details on how undermining defeat works in different cases. (shrink)

The notion of perfect recall in extensive games was introduced by Kuhn (1953), who interpreted it as "equivalent to the assertion that each player is allowed by the rules of the game to remember everything he knew at previous moves and all of his choices at those moves''. We provide a characterization and axiomatization of perfect recall based on two notions of memory: (1) memory of past knowledge and (2) memory of past actions.

Hybrid organisations combine different elements from the for-profit and non-profit domains, and they usually operate in a resource-scarce environment. For these reasons, they continuously face various resources constraints, yet their hybrid nature could be translated into an opportunity. The purpose of our study was to investigate how a hybrid organisation can overcome resource constraints in developing countries by exploiting their own hybrid nature. In the unique research setting offered by Kenyan social enterprises, we identified five creative approaches implemented by social (...) enterprises. Finally, we present a grounded model that clearly explains which hybrid harvesting strategies can be implemented to overcome resource constraints, exploiting their hybrid potential. Our work contributes to knowledge about resource constraints in the social entrepreneurship literature and extends social bricolage theory. Limitations and future research approaches are also presented. (shrink)

The main purpose of this exploratory analysis is to understand whether, based on evidence gathered from international best practices selected among corporations which adopt the Global Reporting Initiative guidelines in sustainability reporting (SR), stakeholders are significantly consulted and involved—as international literature would indicate—by assurance providers, during assurance processes of SR. We aim at verifying if this practice—known as stakeholder assurance—is in fact widespread in SR assurance by carrying out empirical research, through content analysis, into a sample of 161 assurance statements (...) of international corporations, in order to test characteristics of any stakeholder assurance implemented. (shrink)

The goal of this paper is to defend the general tenet that time travelers cannot change the past within B-theoretical models of time, independently of how many temporal dimensions there are. Baron Pacific Philosophical Quarterly, 98, 129–147 offered a strong argument intended to reach this general conclusion. However, his argument does not cover a peculiar case, i.e. a B-theoretical one-dimensional model of time that allows for the presence of internal times. Loss Pacific Philosophical Quarterly, 96, 1–11 used the latter model (...) to argue that time travelers can change the past within such model. We show a way to debunk Loss’s argument, so that the general tenet about the impossibility of changing the past within B-theoretical models is maintained. (shrink)

The question of the basis of human equality has recently gained increasing attention. However, much of the literature has focused on whether persons—understood as fully competent adults—have equal moral status, while relatively less attention has been devoted to the analysis of what grounds the equal moral status of those human beings who are not fully competent adults. This paper contributes to this debate by addressing the question of the equality of moral status between adults and children. Specifically, this paper has (...) three aims. First, it provides a conceptual map of this complex issue. Second, it argues that the challenges that have been raised against standard accounts of persons’ equal moral status are even more forceful when applied to the question of adults and children’s moral equality. Finally, it examines what a commitment to adults and children’s moral _inequality_ entails and what it does not, thereby showing that the justificatory role of the principle of moral equality is not as far-reaching as commonly assumed. (shrink)

In lieu of an abstract, here is a brief excerpt of the content: Canti VI, Bruto Minore GIACOMO LEOPARDI (Translated by Steven J. Willett) To Peter Green After Italian Valor, lying in Thracian dust an immense ruin, had been uprooted, then in the valleys of green Hesperia, on Tiber’s shore, Fate prepares the tramp of barbarian horse, and from naked forests oppressed by the freezing Bear, calls forth the Gothic swords to overthrow Rome’s renowned walls; sitting alone, soaked in (...) brothers’ blood, through black night in a desolate site, Brutus is determined to die, and the implacable gods and Hell itself he accuses with savage cries and strikes the somnambulant air in vain. Fatuous Valor, the empty mists, the fields of unquiet phantoms are your schools, and behind you strides remorse. To you, marmoreal gods, (whether you reside in Phlegethon or the clouds), to you a laughingstock and mockery is the miserable race from whom you extort temples and a fraudulent law insulting to mortals. Is heaven’s wrath, then, so provoked by terrestrial piety? and do you then sit, Jove, impiety’s protector? and when storm clouds exult through the air, and when arion 27.1 spring/summer 2019 you hurl the swift thunderbolt, do you cast the sacred fire on the just and faithful? Invincible destiny and iron necessity crush the sickly slaves of death: and if nothing avails to end their indignities, the common man takes comfort in their necessity. Is the evil without cure less harsh? Does he feel no grief who’s stripped naked of hope? War to the death, eternal, o ignoble fate, the valorous man wages, incapable of surrender; and your tyrannical right hand, victorious as it bears him down, indomitable he shrugs off with a valiant show, when in his noble side the bitter blade runs with blood, and malignly he smiles at the darkening shadows. He displeases the gods who violently breaks into Tartarus. No such courage could be found in their feeble, eternal breasts. Perhaps our torments, perhaps our bitter accidents and wretched passions heaven created as a pleasing spectacle for their idle hours? Not between calamities and crimes, but free in the forests and pure Nature appointed us, once our queen and goddess. But since on earth impious custom has destroyed the blessed realms and subjected our miserable life to other laws; when a virile soul rejects his luckless days does Nature return, and accuse the arrow that’s not hers? 166 CANTI VI, bruto minore Ignorant of guilt and their own misfortunes are the fortunate beasts; serene old age guides them to an unforeseen passage. But if they dash their foreheads on rough tree-trunks or from a mountain cliff cast bodies headlong to the winds, moved by their anguish, against that miserable desire would stand no arcane law or shadowy conception. You alone, among the numerous progeny that heaven created, alone among all, children of Prometheus, regret life. Alone o wretched ones, to you Jove bans, if sluggish fate delays, the shores of death. And you, from the sea stained by our blood, you rise bright moon, and explore the unquiet night and the deadly battlefield of Italian Valor. The victor tramples on kinsmen’s breasts, the hills shudder, from her highest summits ancient Rome collapses— and are you so placid? You saw the birth of Lavinia’s offspring, and their years of happiness, and the memorable victories; and on the mountain peaks you pour your immutable silent light when, in the wreck of the servile Italian name, this solitary place will echo beneath the barbarian tramp. Giacomo Leopardi 167 Here among naked rocks or on green boughs, beast and bird, breasts heavy with their habitual oblivion, ignore the profound ruin and the altered destiny of the world: and as the rooftop of the industrious peasant first glows red, with its morning song the one will wake the valleys, while through high slopes the other will startle the helpless multitude of smaller creatures. Oh destiny! oh insensate race! we are an abject part of things; neither the bloodstained soil nor the howling caves has our calamity ever perturbed, and no human cares stain the stars. Neither to Olympus’ or Cocytus’ deaf kings, or to the unworthy earth, and... (shrink)

When we witness a great actor, musician, or sportsperson performing, we share something of their experience. Only recently has it become clear just how this sharing of experience is realised within the human brain. 'Mirrors in the brain' provides an accessible overview of mirror neurons, written by the man who first discovered them.

The philosophy of language of Robert Brandom is based on a theoretical structure composed of three main elements: the normative analysis of linguistic practices, the inferential characterization of conceptual contents and the expressive articulation of the relations between the former two. Normative pragmatics aims to explain how linguistic practices are sufficient to confer contentful states in those who engage in them. Inferential semantics provides a theory of such pragmatic significances in terms of the inferential relations that articulate conceptual contents. Rational (...) expressivism is the thesis that concept application is essentially a process of turning something that can only be done into something that can also be said. Such a threefold structure is the core of normative inferentialism. This book is a concise, selfcontained and comprehensive presentation of this philosophical enterprise. It guides the reader through the analysis of Brandom’s imposing theoretical apparatus, the discovery of the roots of his approach in American pragmatism and German idealism, till the exploration of some of its most interesting and recent outcomes in pragmatics and semantics. It is a valuable resource for both those who approach Brandom’s work for the first time and those who are interested in the potential of normative inferentialism. (shrink)

Standard liberal theories of justice rest on the assumption that only those beings that hold the capacity for moral personality have moral status and therefore are right-holders. As many pointed out, this has the disturbing implication of excluding a wide range of entities from the scope of justice. Call this the under-inclusiveness objection. This paper provides a response to the under-inclusiveness objection and illustrates its implications for liberal theories of justice. In particular, the paper defends two claims: first, it argues (...) that both the CMP and the potential capacity for moral personality are bases of moral status. This pluralist account of the basis of moral status can broaden the scope of justice and provide a solid philosophical justification for the common-sense intuition that almost all human beings have a moral status that is different and superior to that of nonhuman animals. Second, contra what is commonly suggested, it contends that potential and actual moral persons have different and unequal rights, other things being equal. (shrink)

En este artículo se analiza la noción de fenómeno saturado en el pensamiento de Marion, pero, ante todo, y relacionado con dicho fenómeno, el tipo de sujeto que corresponde a la afectación saturante. La discusión se centra en la superación de la figura del Yo trascendental, y de la Modernidad en general, para dar lugar a un sujeto disminuido, a una diminutio ipseitatis, debida fundamentalmente a una iniciativa que, alega Marion, no proviene tanto del sujeto afectado, cuanto del fenómeno que (...) lo afecta. Desalojado de su formidable centro, el sujeto kenotizado emprende una clase de recreación bastante peculiar, la cual consiste en el conjunto de respuestas que habrá de ofrecer a la densidad del fenómeno mencionado. El sujeto se recibe de lo que recibe. En una hermenéutica sucesiva que retoma la afectación, tendrá que hacerse cargo del golpe de lo dado, es decir, de aquello que lo afecta, pero no exactamente de la manera como afectan los objetos a un sujeto cognoscente. A la pregunta de Nancy “¿qué viene después del sujeto?”, hay que responder sin ninguna hesitación: el sujeto, empero ahora disminuido en su capacidad creadora de mundo a través de la síntesis trascendental: l’adonné, el adonado. (shrink)

The article _Anthropological crisis or crisis in moral __status: a philosophy of technology approach to the moral consideration of artificial intelligence_ questions the anthropology of properties commonly assumed in philosophical discussions about the relationship between humans and technologies and the attribution of moral status. By beginning to develop the possible link between the ontology of properties and the anthropological question aptly outlined by that contribution, this short commentary suggests that the adoption of a truly relational or non-proprietary approach in the (...) philosophy of technology seems at once necessary and challenging. For, on the one hand, it represents a response to the demands posed by information technologies; on the other it seems to call into question some of our deeply ingrained habits of thought. (shrink)

Il Teatro Sociale di Sondrio, inaugurato nel 1824, rappresenta tra XIX e XX secolo il più importante centro teatrale dell’intera Valtellina. Considerando anche l’importanza che riveste nella storia locale, il teatro sondriese può essere preso come esempio attraverso cui riconoscere, da un punto di vista particolare, le evoluzioni a cui va incontro la drammaturgia italiana a cavallo dei due secoli. Lo studio dei manifesti conservati negli archivi e lo spoglio dei periodici locali hanno permesso di analizzare le modalità e le (...) tempistiche con cui venivano allestiti gli spettacoli e l’accoglienza di questi da parte del pubblico e della critica di Sondrio: su queste basi, il seguente studio cerca di offrire una fisionomia del pubblico teatrale otto-novecentesco, un pubblico provinciale, lontano da quello delle grandi città ma che, come si vuole dimostrare, condivide con quest’ultimo gli stessi gusti: dalla ricerca della novità alla passione per i drammi sentimentali, dalla pièce bien faite alla nuova drammaturgia borghese. (shrink)

In this paper we show that it is possible to eliminate the converse operator from the propositional dynamic logic CPDL (Converse PDL), without compromising the soundness and completeness of inference for it. Specifically we present an encoding of CPDL formulae into PDL that eliminates the converse programs from a CPDL formula, but adds enough information so as not to destroy its original meaning with respect to satisfiability, validity, and logical implication. Notably, the resulting PDL formula is polynomially related to the (...) original one. This fact allows one to build inference procedures for CPDL, by encoding CPDL formulae into PDL, and then running an inference procedure for PDL. (shrink)

Nostalgia for the present -- Identity and contingency: zones of conflict -- Dämmerung: the twilight of sovereignty: state, subjects, and fundamental rights -- The exile of the Nomos: Carl Schmitt and the Globale Zeit -- Gift, exchange, obligation: Karl Polanyi and social philosophy -- Universalism and politics of difference: democracy as a paradoxical community -- The oriental mirror: Voltaire and the roots of intolerance -- Ciphers of difference -- Europe after the Leviathan: technology, politics, constitution -- After Babel: towards a (...) cosmopolitanism of difference. (shrink)

The Common Prior Assumption (CPA) plays an important role in game theory and the economics of information. It is the basic assumption behind decision-theoretic justifications of equilibrium reasoning in games (Aumann, 1987, Aumann and Brandenburger, 1995) and no-trade results with asymmetric information (Milgrom and Stokey, 1982). Recently several authors (Dekel and Gul, 1997, Gul, 1996, Lipman, 1995) have questioned whether the CPA is meaningful in situations of incomplete information, where there is no ex ante stage and where the primitives of (...) the model are the individuals' beliefs about the external world (their first-order beliefs), their beliefs about the other individuals' beliefs (second-order beliefs), etc., i.e. their hierarchies of beliefs. In this context, the CPA is a mathematical property whose conceptual content is not clear. The main results of this paper (Theorems 1 and 2) provide a characterization of Harsanyi consistency in terms of properties of the belief hierarchies that are entirely unrelated to the idea of an ex ante stage. (shrink)

Famously, Kripke has argued that the central portion of the Philosophical Investigations describes both a skeptical paradox and its skeptical solution. Solving the paradox involves the element of the community, which determines correctness conditions for rule-following behavior. What do such conditions precisely consist of? Is it accurate to say that there is no fact to the matter of rule following? How are the correctness conditions sustained in the community? My answers to these questions revolve around the idea that a rule (...) is followed insofar as a convention is in place. In particular, I consider the game-theoretic definition of convention offered by David Lewis and I show that it illuminates essential aspects of the communitarian understanding of rule-following. Make the following experiment: say “It’s cold here” and mean “It’s warm here”. Can you do it?Ludwig Wittgenstein, Philosophical Investigations, 1953, §510.I can’t say “it’s cold here” and mean “it’s warm here”—at least, not without a little help from my friends.David Lewis, Convention. (shrink)

This paper explores mutable futurism, the view according to which the future can literally change—that is, it can happen that a future time t changes from containing an event E to lacking it. Mutable futurism has received little attention so far, and the details and implications of the view are underexplored in the literature. For instance, it currently lacks a precise metaphysical model and a formal semantics. Although we do not endorse mutable futurism, our goal here is to strengthen the (...) case for mutable futurism and help establish it as a worthy contender in the debate on the philosophy of time. To attain this goal, we try to make mutable futurism, along with its metaphysical and inferential commitments, as clear as possible, by providing it with a coherent metaphysical model and a plausible semantics, and we show that it can be backed by theoretical reasons. (shrink)

An information completion of an extensive game is obtained by extending the information partition of every player from the set of her decision nodes to the set of all nodes. The extended partition satisfies Memory of Past Knowledge (MPK) if at any node a player remembers what she knew at earlier nodes. It is shown that MPK can be satisfied in a game if and only if the game is von Neumann (vN) and satisfies memory at decision nodes (the restriction (...) of MPK to a player's own decision nodes). A game is vN if any two decision nodes that belong to the same information set of a player have the same number of predecessors. By providing an axiom for MPK we also obtain a syntactic characterization of the said class of vN games. (shrink)

In this paper I argue that even the most radical metaphysics of powers (such as that adopted by Mumford & Anjum, Cartwright, or Groff) are compatible with eternalism. I first offer a taxonomy of powers ontologies, and attempt to characterise the difference between moderate and radical powers ontologies – the latter are characterised by an emphasis on production and dynamicity. I consider an argument by C. Friebe to the effect that the productive character of powers is inconsistent with Eternalism and (...) find it wanting. I then elucidate the notion of dynamicity that radical powers theorists employ by making apparent their link with an ontology of irreducible processes. Finally, I respond to an argument by Donatella Donati to the effect that eternalism entails a reductive account of change which is inconsistent with process ontologies, and show that the the two are compatible. I conclude that we have no reason to think that radical powers metaphysics (and, a fortiori, every powers ontology) are not compatible with eternalism. (shrink)

In his recent book, Humanity without Dignity: Moral Equality, Respect, and Human Rights, Andrea Sangiovanni argues that the principle of moral equality should be grounded in the wrongness of treating others as inferiors insofar as this constitutes an act of social cruelty. In this short piece, I will raise two concerns about the rejection of social cruelty as the basis of moral equality: first, Sangiovanni’s account seems to give rise to disturbing implications as to how those beings that have basic (...) moral status relate to each other. Second, grounding moral equality in the rejection of social cruelty may fail to capture some wrongs qua violation of moral equality. (shrink)

In introducing his argument - which resumes and develops the philosophical analysis of the phenomenon of globalisation advanced in his book Westward Passage (forthcoming from Verso, London-New York) - Giacomo Marramao takes the film Babel, by the Mexican director Alejandro Gonzáles Iñárritu, as the point of departure for his discussion: the film depicts the globalised world as a complex space at once interdependent and differentiated in character, constituted like a mosaic, composed of a multiplicity of "asynchronic" ways and forms (...) of life which are brought together by the manifold flux of events that traverse them. This cinematographic depiction perfectly captures the disconcerting bi-logic of globalisation: the logic through which the mix of the global market and of digital technologies operating in "real time" generates an increasing diaspora of identities. The Babel of our contemporary world thereby reveals itself as a kind of planetary extension of the world of Kakania described by Robert Musil: a cacophonous compendium of proliferating and mutually untranslatable languages. In order to conceptualise, and produce a suitably fluid and dynamic account, of this new "world picture," we must not only dissolve the spurious dilemma between universalism and relativism, but move beyond the current impasse encouraged by a normative political philosophy which tends to reify "cultural identities" and "struggles for recognition" by treating these as givens rather than as problems. The philosophical approach pursued in the following discussion attempts to liberate the concept of "the universal" - despite the etymology of the word - from the logic of the reductio ad unum, and apply it instead to the realm of multiplicity and difference. Developing a double phenomenology of the increasingly homogenising phenomenon of the market on the one hand and of the internally conflicted pandemic of identitarian and communitarian approaches on the other, the author indicates a variety of universalising tendencies whose potential can only fully be evaluated in the context of a new theory and practice of translation. Marramao's proposal for a universalism of difference is predicated on the failure of the two principal models of "democratic" inclusion that have previously been attempted in the West: the republican or assimilationist model (that of a Republique founded upon what could be called a universalism of indifference) and the "strong" multiculturalism model (the so-called Londonistan model that derives from a mosaic of differences that also provides fertile ground for the growth of fundamentalist ideas). But to advance beyond the antagonistic complicity generated by this dilemma calls for a re-enchantment of the political: the only way in which we may be able to read the prognostic signs of our present. (shrink)