The results of Cubitt et al. on the spectral gap problem add a new chapter to the issue of undecidability in physics, as they show that it is impossible to decide whether the Hamiltonian of a quantum many-body system is gapped or gapless. This implies, amongst other things, that a reductionist viewpoint would be untenable. In this paper, we examine their proof and a few philosophical implications, in particular ones regarding models and limitative results. In more detail, we examine the (...) way these theorems model many-body quantum systems, and we question what, if anything, is the physical counterpart of the models used by Cubitt et al. We argue that these models are non-representational and that, even if they are so artificial that it is hard to imagine a physical system arising from them, they nonetheless offer an opportunity to learn about the world and the relation between mathematics and reality. On this basis, we draw the conclusion that their results do not undermine the reductionist viewpoint in a strong sense but leave the question open in a weak sense. (shrink)

This paper examines how alternative forms of organising integration in resource-scarce environments expand across settings, by considering the role of local embeddedness and an ethic of care in enabling this expansion. It builds on theories of imitation in organization studies in combination with theories of ethics of care and bricolage applied to welfare and migration studies. The paper is informed by the case of Yalla Trappan, a work cooperative of immigrant women in the city of Malmö, Sweden, and the attempts (...) to diffuse this organization and its methods to other cities in the country. The findings indicate that the expansion of alternative forms of integration into resource-scarce contexts is enabled by simultaneous practices of imitation and bricolage, ingrained in an ethic of care. The article shows, first, how many important practices were developed by imitating accounts of the original ideas, through a broadcasting mode of imitation. Next, it explains why the local translation of these practices in resource-scarce contexts, consisting of ‘bricolage work’ based on material, market, institutional, human, and cultural elements, was necessary. The conclusion is that the expansion of novel forms of integration requires imitation, but of a kind that involves the bricolage of local translations. Such bricolage is always collective (which does not diminish the importance of individual agency), multi-spatial and not just local, and wrapped in an ethic of care, rather than in an economic logic. The article concludes by discussing the implications of these findings with the ethics of migration. (shrink)

We continue the work initiated in Herzig and Lorini (J Logic Lang Inform, in press) whose aim is to provide a minimalistic logical framework combining the expressiveness of dynamic logic in which actions are first-class citizens in the object language, with the expressiveness of logics of agency such as STIT and logics of group capabilities such as CL and ATL. We present a logic called ( Deterministic Dynamic logic of Agency ) which supports reasoning about actions and joint actions of (...) agents and coalitions, and agentive and coalitional capabilities. In it is supposed that, once all agents have selected a joint action, the effect of this joint action is deterministic. In order to assess we prove that it embeds Coalition Logic. We then extend with modal operators for agents’ preferences, and show that the resulting logic is sufficiently expressive to capture the game-theoretic concepts of best response and Nash equilibrium. (shrink)

In this paper we discuss Priest’s account of change and motion, contrasting it with its more orthodox rival, the Russellian account. The paper is divided in two parts. In first one we take a stance that is more sympathetic to the Russellian view, arguing that Priest’s arguments against it are inconclusive. In the second part, instead, we take a more sympathetic attitude towards Priest’s objections. We argue, however, that if these objections pose insurmountable difficulties to the Russellian account, then they (...) pose the same difficulties also to Priest’s favoured Hegelian account, and for the same reasons. (shrink)

reasoning is a risk-aversion strategy: it aims at minimizing as much as possible the possibility of doing mistakes, but in order to reach this goal it pays a cost, that is the fact that the novel epistemic gain it offers is small or negligible.

I argue that the construction of representation theorems is a powerful tool for creating novel objects and theories in mathematics, as the construction of a new representation introduces new pieces of information in a very specific way that enables a solution for a problem and a proof of a new theorem. In more detail I show how the work behind the proof of a representation theorem transforms a mathematical problem in a way that makes it tractable and introduces information into (...) it that it did not contain at the beginning of the process. (shrink)

I present a variant of with time, called, interpreted in standard Kripke semantics. On the syntactic level, is nothing but the extension of atemporal individual by: the future tense and past tense operators, and the operator of group agency for the grand coalition. A sound and complete axiomatisation for is given. Moreover, it is shown that supports reasoning about interesting normative concepts such as the concepts of achievement obligation and commitment.

We present a modal logic called (logic of intention and attempt) in which we can reason about intention dynamics and intentional action execution. By exploiting the expressive power of , we provide a formal analysis of the relation between intention and action and highlight the pivotal role of attempt in action execution. Besides, we deal with the problems of instrumental reasoning and intention persistence.

RESUMEN Este trabajo busca hacer un aporte a la discusión actual en teoría política, específicamente, a las categorías a través de las cuales se indaga la democracia. Con este fin, se propone una crítica a la noción de “identidad política”, la cual avanza por dos caminos: el principal retoma la crítica de Adorno a la lógica identificante y a la relación sujeto-objeto que ella entraña. Sobre esta base se problematiza esa relación sujeto-sujeto que es el lazo político. Como una suerte (...) de excursus de este camino principal, se avanzará en una crítica inmanente del uso que de dicha noción se realiza en una de las filosofías políticas hoy preponderantes: la teoría postfundacionalista. Para ello se realizará una lectura interna de la propuesta de Chantal Mouffe, en tanto representante de dicha teoría, cuya labor se concentra en la indagación de la lógica democrática, tarea en la cual el concepto de identidad juega un papel clave. Por ambas vías se apunta a señalar que la categoría de identidad política contiene la tendencia a cancelar el pluralismo y, con éste, la democracia. Frente a ello se postula una manera distinta de problematizar el lazo político, a través de la noción de mímesis. ABSTRACT This work seeks to make some contribution to the current discussion in political theory, specifically, to the categories through which democracy is studied. With this goal in mind, a critique of the notion of “political identity” is proposed, which proceeds in two ways: the main one takes up Adorno’s criticism of the identifying logic and the subject-object relationship that it entails. On this basis, the subject-subject relationship that is the political link is problematized. As a sort of excursus of this main path, we will proceed to an immanent critique about how this notion is used by one of the main political philosophy lines nowadays: the Post-Foundational Theory. To this purpose, an internal reading of the proposal of Chantal Mouffe is made, because she is a representative of that theory, whose work is focused on the investigation of democratic logics, and gives to the concept of identity a key role. In both ways, it is pointed out that the category of political identity contains the tendency to cancel pluralism and, with it, democracy. Against this, a different way of problematizing the political link is postulated, through the notion of mimesis. (shrink)

RESUMO O objetivo deste trabalho é indicar como a exploração estilística de Margaret Cavendish responde às particularidades do conceito de natureza dela, por exemplo, a tese de que a natureza é uma matéria viva, infinita, mutável e heterogênea. Primeiramente, mostrarei o modo pelo qual a autora está presente em seus escritos, como ela escreve de uma perspectiva de primeira pessoa sobre sua própria experiência e de quem ela é. Resumirei brevemente sua biografia e o contexto no qual ela praticou filosofia. (...) Dado que suas escolhas de estilo são bastante numerosas, apresentarei somente algumas poucas, entre as peculiaridades estilísticas dela. Em segundo lugar, desenvolverei uma visão geral do seu conceito de natureza, ao contrário do proposto pelas teorias mecanicistas de seu tempo. Esclarecerei que tal conceito é expresso adequadamente pela diversidade estilística à qual Cavendish se volta em suas investigações. ABSTRACT This paper aims at indicating how Margaret Cavendish's stylistic exploration answer to the particularities of her concept of nature, i.e. the thesis that nature is live, infinite, changing and heterogeneous matter. I will first show the way in which the author is present in her writings, as she writes from a first person perspective about her own experience and from who she is. I will briefly summarise her biography and the context in which she practiced philosophy. Given that her stylistic choices are quite numerous, I will only present a few of her stylistic particularities. Secondly, I will develop the general outline of her concept of nature, as opposed to the one proposed by the mechanistic theories of her time. I will make it clear that said concept is adequately expressed in the stylistic diversity to which Cavendish turns in her investigations. (shrink)

I examine the role that mathematics plays in understanding and modelling finance, especially stock markets, and how philosophy affects it. To this end, I explore how mathematics penetrates finance via physics, constructing a ‘financial physics’, and I outline the philosophical backgrounds of this process, in particular the ‘philosophy of equilibrium’ and that of critical points or ‘out-of-equilibrium’. I discuss the main characteristics and a few weaknesses of these mathematizations of financial systems, notably econometrics and econophysics, and I compare the two (...) ways, top-down and bottom-up, of building mathematical approaches to finance. The top-down approach is the most used and the most conservative. I argue that it guarantees a mathematical account, but it is less effective than the more difficult bottom-up approach, which is more appropriate and which may end up without a mathematical account of financial phenomena. I then consider two important issues raised by a mathematical approach to finance, that is, the performative and the reversing side of mathematics, and an ethics of mathematics. In the first case I argue that mathematics not only can be a performative device, but it also enables ‘reversing’ dynamics, that is, a mathematical model may become not a representational tool, but a device of social engineering—a mathematical way of investigating what are the initial conditions and processes needed to obtain an intended result. In the second case I argue that this specific relation between mathematical modelling and prediction raises an ethical question in finance, namely, a responsible construction and use of the mathematical models provided by a financial physics. (shrink)

The book answers long-standing questions on scientific modeling and inference across multiple perspectives and disciplines, including logic, mathematics, physics and medicine. The different chapters cover a variety of issues, such as the role models play in scientific practice; the way science shapes our concept of models; ways of modeling the pursuit of scientific knowledge; the relationship between our concept of models and our concept of science. The book also discusses models and scientific explanations; models in the semantic view of theories; (...) the applicability of mathematical models to the real world and their effectiveness; the links between models and inferences; and models as a means for acquiring new knowledge. It analyzes different examples of models in physics, biology, mathematics and engineering. Written for researchers and graduate students, it provides a cross-disciplinary reference guide to the notion and the use of models and inferences in science. (shrink)

One set of arguments on judicial review states that this is a necessary consequence of understanding rights as limits to democracy. This paper brings some nuances to this argument, arguing that the answer to the problem of judicial review should rely not only on rights‐based arguments, but also on institutional arguments. In order to do so, the first part will present the idea that links rights as trumps to judicial review. In the second part, the article will show it is (...) possible to split the conception of rights as limits into two questions, one regarding what the state should or should not do and the other regarding who should be the one to give content to this set of decisions. The third part will show that all rights‐based arguments fail because they cannot deal with the fact of disagreement. The last part will show that rights still have a part to play in the discussion on judicial review, though without the final word. (shrink)

Embodied and phenomenological approaches to neuropsychiatry have proven to be promising for assessing social cognition and its impairments. Second-person neuroscience has demonstrated that the dynamics of social interaction make a difference when it comes to how people understand each other. This article presents the Perceptual Crossing Experiment (PCE) as a paradigm for studying real-time dyadic embodied interactions in the context of schizophrenia. We draw on the phenomenological concept of interbodily resonance (IR) and show how the PCE can be used to (...) accurately model and assess IR. We then turn to disembodied interaction in schizophrenia and finally propose the PCE as a translational tool for systematically assessing the hindered IR that individuals with schizophrenia suffer from. We offer an experimental approach to phenomenology which could be informative for the development of more embodied interventions aiming to remedy the profoundly disrupted social life that patients with schizophrenia live with. (shrink)

A completely Lorentz-invariant Bohmian model has been proposed recently for the case of a system of non-interacting spinless particles, obeying Klein-Gordon equations. It is based on a multi-temporal formalism and on the idea of treating the squared norm of the wave function as a space-time probability density. The particle’s configurations evolve in space-time in terms of a parameter σ with dimensions of time. In this work this model is further analyzed and extended to the case of an interaction with an (...) external electromagnetic field. The physical meaning of σ is explored. Two special situations are studied in depth: (1) the classical limit, where the Einsteinian Mechanics of Special Relativity is recovered and the parameter σ is shown to tend to the particle’s proper time; and (2) the non-relativistic limit, where it is obtained a model very similar to the usual non-relativistic Bohmian Mechanics but with the time of the frame of reference replaced by σ as the dynamical temporal parameter. (shrink)

El presente artículo aborda las connotaciones y los fundamentos de la paráfrasis cum canere vellem en Serv. Ecl. 6. 3. El análisis del sentido del verbo volo en este contexto y la confrontación del pasaje con Serv. Ecl. 6. 5 revelan que Servio interpreta la frase cum canerem reges et proelia como referencia a un temprano empeño de Virgilio en componer poesía épica, del que pronto desistió. Esta interpretación está condicionada por la idea de que la secuencia cronológica Églogas - (...) Geórgicas - Eneida tiene un correlato jerárquico, idea que se funda en noticias biográficas y en la teoría de la tripertita varietas. This paper focuses on the connotations and grounds of the paraphrase cum canere vellem in Serv. Ecl. 6. 3. The analysis of the sense of verb volo within this context, as well as the confrontation between that passage and Serv. Ecl. 6. 5, show that Servius interprets the clause cum canerem reges et proelia as a reference to Virgil's early endeavor to compose an epic poem, from which he shortly desisted. This interpretation is conditioned by the idea that the chronological sequence Eclogues - Georgics - Aeneid has a hierarchical correlate, an idea which is founded on biographical information and the theory of tripertita varietas. (shrink)

This article explores the central themes in Mohsin Hamid’s Exit West (2017) by focusing on the complexities of finding oneself placeless and seeking refuge in an unwelcoming global world with porous borders. It examines different aspects of the experience of time, such as transience and waiting, by drawing on postcolonial and refugee studies and theoretical approaches to vulnerability, time, and being. Set in an unnamed city in an unnamed country on the verge of war, Hamid portrays the shattering of everyday (...) life in the city by following the lives of Saeed and Nadia, their growing love relationship, and the impact of their subsequent escape through “magic doors” to several places of refuge on their relationship and understanding of the world. Their story is interspersed with vignettes on several secondary characters who also become refugees by being transposed through magic doors to new locations. By using magic doors and by accelerating, compressing and conflating events and times—the effect of which universalizes the theme of transience and proximity of death—Exit West exposes us to the global history of suffering and invites us to bear witness to the suffering of others and to become aware of our own finitude and the obligations our common vulnerability places on us. (shrink)

In this paper I try to test the philosophical relevance of the rational action theories. To take this attempt seriously, in my view, implies to discuss two critical points – one of logical nature, and one of empirical nature – in the rational action theories. These points are the intransitivity of the relation «being better than» and the preference reversal phenomenon. Finally, I suggest that the discussion of these critical points can induce a renewed interest towards the pluralism as formulated (...) by Isaiah Berlin in the last 20th century. (shrink)

La poeta Gloria Dünkler nació en Pucón, Chile, en 1977. Sus padres se dedicaban a la artesanía, la pesca y la música en la región de la Araucanía. Ella estudió Pedagogía en la Universidad de la Frontera y Bibliotecología y Documentación en la Universidad Tecnológica Metropolitana. Actualmente trabaja en la Biblioteca Central de la Facultad de Ciencias de la Universidad de Chile. Su obra editada está compuesta por Quillaco seducido (Edición de autor, 2003), Füchse von Llafenko (Ediciones Tácitas, 2009), Spandau (...) (Ediciones Tácitas, 2012), Yatagán (Ediciones Tácitas, 2015) y Castrato (Ediciones Tácitas, 2020). Además, poemas suyos fueron incluidos en las antologías Mujeres en la poesía chilena actual (Semejanza, 2000), Desde todo el silencio (Los puños de la paloma, 2008), Comer con la mirada (Desde la gente, 2008) y Doce en punto (UNAM, 2012). La obra de Dünkler ha alcanzado amplio reconocimiento en su país, donde obtuvo tres importantes premios: el de la Academia Chilena de Letras (2009), el Premio Municipal de Literatura de Santiago (2012) y el Premio Pablo Neruda de Poesía Joven (2015). Su obra ha sido traducida al alemán, al polaco y al catalán. (shrink)

El presente texto desea dar cuenta, a partir de aquellos aspectos fenomenológicos de la teoría del conocimiento de Thomas Hobbes, el fundamentoy justificación de la génesis del Estado civil. Sin lugar a dudas, serán la percepción o la intuición, lo sensible, la imaginación o la memoria, el lenguaje, el movimiento, el cómputo, el deseo, el miedo, entre otros, lo que lleva al sujeto a comprender su propia naturaleza y a partir de ella, a pactar con otros sujetos cediendo sus derechos (...) naturales a un tercero para dar fin al estado de naturaleza y poder conservar su vida y vivir en paz. (shrink)

We develop a conceptual and formal clarification of notion of surprise as a belief-based phenomenon by exploring a rich typology. Each kind of surprise is associated with a particular phase of cognitive processing and involves particular kinds of epistemic representations (representations and expectations under scrutiny, implicit beliefs, presuppositions). We define two main kinds of surprise: mismatch-based surprise and astonishment. In the central part of the paper we suggest how a formal model of surprise can be integrated with a formal model (...) of belief change. We investigate the role of surprise in triggering the process of belief reconsideration. There are a number of models of surprise developed in the psychology of emotion. We provide several comparisons of our approach with those models. (shrink)

In this chapter, we will summarize recent empirical results highlighting how different groups of people solve pure coordination games. Such games are traditionally studied in behavioural economics, where two people need to coordinate without communicating with each other. Our results suggest that coordination choices vary across groups of people, and that people can adapt flexibly to these differences in order to coordinate between groups. We propose that pure coordination games are a useful empirical platform for studying aspects of mindshaping. Drawing (...) on existing psychological literature on alignment during interactions, we suggest that experience of successful interaction leads people to develop aligned intuitions about what is relevant and appropriate that support coordination when interaction and communication is not possible. Consistent with arguments made in the literature on mindshaping we believe that such alignment is more important for coordination than mindreading inferences about mental states, and indeed that mindreading is instead a form of coordination behaviour that is dependent upon intuitive alignment. (shrink)

This paper proposes a logical framework for representing static and dynamic properties of different kinds of individual and collective attitudes. A complete axiomatization as well as a decidability result for the logic are given. The logic is applied to game theory by providing a formal analysis of the epistemic conditions of iterated deletion of weakly dominated strategies (IDWDS), or iterated weak dominance for short. The main difference between the analysis of the epistemic conditions of iterated weak dominance given in this (...) paper and other analysis is that we use a semi-qualitative approach to uncertainty based on the notion of plausibility first introduced by Spohn, whereas other analysis are based on a quantitative representation of uncertainty in terms of probabilities. (shrink)

La pensée de Georges Canguilhem (1904-1995) connaît un regain d'intérêt dans les lieux académiques et de recherche. Ainsi, eut lieu à l'Université Paris-1 un colloque international intitulé «Un nouveau Canguilhem? » pour la parution des Oeuvres complètes jetant une nouvelle lumière sur des écrits de jeunesses peu connus. Mais que peut-on apprendre de ces manuscrits privés? Ces écrits inédits confirment-ils l'opinion vague qui lie le philosophe aux sciences naturelles? Ce livre privilégie un autre angle: Canguilhem en philosophe de l'action.

In this paper we propose a method for modeling social influence within the STIT approach to action. Our proposal consists in extending the STIT language with special operators that allow us to represent the consequences of an agent’s choices over the rational choices of another agent.

What is a financial crash, and why does it happen? The answers to these fundamental questions require an investigation of the ontological and epistemic state of the financial markets which will identify the causes of a financial crash, the entities involved, and the relations between them.To this end, I examine several theories on financial systems which have conceptualized financial crashes. I analyze how these theories: a) identify different causes of a crash; b) deal with the basic entities and units of (...) analysis; c) define what we can know about those causes and entities, and what they can reveal about an impending crash. On this basis, I outline some ontological and epistemic preconditions that are necessary for a financial crash to occur. I also examine an example of a price drop on the stock market and the role played by the epistemic and ontic states of the market in that event. (shrink)

We argue that the view that we misperceive time as passing is self-undermining.