I reject the widely held view that Duhem's 1906 book La Théorie physique is a statement of instrumentalistic conventionalism, motivated by the scientific crisis at the end of the nineteenth century. By considering Duhem's historical context I show that his epistemological views were already formed before the crisis occured; that he consistently supported general thermodynamics against the new atomism; and that he rejected the epistemological views of the latter's philosophical supporters. In particular I show that Duhem rejected Poincaré's account of (...) scientific language, Le Roy's view that laws are definitions, and the conventionalist's use of simplicity as the criterion of theory choice. Duhem regarded most theory choices as decidable on empirical grounds, but made historical context the main determining factor in scientific change. (shrink)

The explanation of the phenomenon of Brownian motion, given by Einstein in 1905 and based on the kinetic–molecular conception of matter, is considered one of the fundamental pillars supporting atomism in its victorious struggle against phenomenological physics in the early years of this century. Despite the importance of the subject, there exists no specific study on it of sufficient depth. Generally speaking, most histories of physics repeat the following scheme: the discovery made by Robert Brown in 1827 , of the (...) continuous movement of small particles suspended in a fluid did not arouse interest for a long time. Finally, at the close of the century, Gouy's research brought it to the attention of the physicists. Gouy was convinced that Brownian motion constituted a clear demonstration of the existence of molecules in continuous movement. Nevertheless, he did not work out any mathematized theory that could be subjected to quantitative confirmation. All nineteenth-century research remained at the qualitative level and yet it was able to clarify some general characteristics of the phenomenon: the completely irregular, unceasing, motion of the particles is not produced by external causes. It does not depend on the nature of the particles but only on their size. The first significant measurements, carried out by Felix Exner in 1900, appeared to deny the possibility of reconciling the kinetic theory with Brownian motion. The discovery of the ultra-microscope then allowed Zsigmondy to perceive the presence of movements, which were completely analogous to Brown's, in the particles of the colloids; these movements were rather smaller in size than those invesigated up to then. Thus Zsigmondy aroused interest in the phenomenon. Finally, in 1905, Einstein succeeded in stating the mathematical laws governing the movements of particles on the basis of the principles of the kinetic–molecular theory. The following year Smoluchowski arrived at conclusions which corresponded to Einstein's. These laws received a first, rough confirmation in the years immediately following by the work of The Svedberg, Seddig and, for some historians, Henri. Then in 1908 Jean Perrin gave it a definitive confirmation. (shrink)

We argue that it is fundamentally impossible to recover information about quantum superpositions when a quantum system has interacted with a sufficiently large number of degrees of freedom of the environment. This is due to the fact that gravity imposes fundamental limitations on how accurate measurements can be. This leads to the notion of undecidability: there is no way to tell, due to fundamental limitations, if a quantum system evolved unitarily or suffered wavefunction collapse. This in turn provides a solution (...) to the problem of outcomes in quantum measurement by providing a sharp criterion for defining when an event has taken place. We analyze in detail in examples two situations in which in principle one could recover information about quantum coherence: (a) “revivals” of coherence in the interaction of a system with the measurement apparatus and the environment and (b) the measurement of global observables of the system plus apparatus plus environment. We show in the examples that the fundamental limitations due to gravity and quantum mechanics in measurement prevent both revivals from occurring and the measurement of global observables. It can therefore be argued that the emerging picture provides a complete resolution to the measurement problem in quantum mechanics. (shrink)

There is growing worldwide concern that the rampant spread of digital fake news via new media technologies is detrimentally impacting Democratic elections. However, the actual influence of this recent Internet phenomenon on electoral decisions has not been directly examined. Accordingly, this study tested the effects of attention to DFN on readers’ Presidential candidate preferences via an experimental web-survey administered to a cross-sectional American sample. Results showed no main effect of exposure to DFN on participants’ candidate evaluations or vote choice. However, (...) the perceived believability of DFN about the Democratic candidate negatively mediated evaluations of that candidate—especially amongst far-right ideologues. These results suggest that DFN may at worst reinforce the partisan dispositions of mostly politically conservative Internet users, but does not cause or induce conversions in these dispositions. Overall, this study contributes novel experimental evidence, indicating that the potential electoral impact of DFN, although concerning, is strongly conditional on a reciprocal interaction between message receptibility and a pre-existing right-wing ideological orientation. The said impact is, therefore, likely narrow in scope. (shrink)

Habermas ha elaborado una teoría jurídica a partir de su filosofía de acción comunicativa. Sin alejarse de los fundamentos tradicionales que sustentan al Estado democrático de derecho, ha innovado una posición de legitimación al derecho y a su ejercicio, incluso ofrece nuevas herramientas conceptuales para la función judicial, como es el caso de lo que podría llamarse la adecuación que sustituye a la conocida propuesta de la ponderación de los derechos. El presente artículo pretende servir de guía para adentrase en (...) el territorio de su propuesta. (shrink)

Disconcerting findings from nascent sociological research suggest that Western youth are developing subjectivities that reflect neoliberal discursive formations of self-interest, competitiveness, and materialism. However, propositions about: (1) the cognitive-affective mechanisms that explain how youth acquire and reproduce neoliberal ideology, or (2) the dispositions and behaviours that typify a neoliberal subject, remain vague. Therefore, this article provides a novel conceptualization of these two psychosocial facets that can help advance understandings and investigations of the emerging modes and societal consequences of neoliberal subjectification, (...) Specifically, it reviews major theoretical tenets from the respective literatures on neurocognitive development, social cognition, neoliberalism, and neoliberal hegemony. It then synthesizes these tenets within a modified habitus formulation to sketch a testable cognitive-sociological model to explain and explore some of the distinct dispositional values, attitudes, and practices that youth raised in societies with institutionally and culturally prevalent neoliberal norms and discourses potentially may develop and enact. (shrink)

Nineteenth-century investigations of the deep sea provide a case study for black box science. Naturalists were forced to theorize about a space for which they had no direct sensory observations. This study traces the emergence of bathymetry and deep-sea biology and then analyzes how men of science dealt with the uncertainty associated with their black box practices. I argue that these investigators created multiple types of black boxes based on their uncertainties and that these black boxes did not operate equivalently. (...) Consequently, scholars should be aware of the different categories of black boxes when they describe scientific practices. (shrink)

We study some operations that may be defined using the minimum operator in the context of a Heyting algebra. Our motivation comes from the fact that 1) already known compatible operations, such as the successor by Kuznetsov, the minimum dense by Smetanich and the operation G by Gabbay may be defined in this way, though almost never explicitly noted in the literature; 2) defining operations in this way is equivalent, from a logical point of view, to two clauses, one corresponding (...) to an introduction rule and the other to an elimination rule, thus providing a manageable way to deal with these operations. Our main result is negative: all operations that arise turn out to be Heyting terms or the mentioned already known operations or operations interdefinable with them. However, it should be noted that some of the operations that arise may exist even if the known operations do not. We also study the extension of Priestley duality to Heyting algebras enriched with the new operations. (shrink)

Although artificial intelligence techniques have been successfully applied to reproduce many rational features of human behaviour, a great barrier has been encountered in simulating human activities where intuition and emotion are involved. Art making and viewing are processes where typically rational and mechanical aspects interact with aesthetic and cognitive criteria. Can you make a computer understand and autonomously produce art?The main purpose of this paper is to present the most relevant approaches in the study of art perception and creation via (...) computer, focusing on the results achieved in artistic computer graphics. (shrink)

We make a first attempt to axiomatically formulate the Montevideo interpretation of quantum mechanics. In this interpretation environmental decoherence is supplemented with loss of coherence due to the use of realistic clocks to measure time to solve the measurement problem. The resulting formulation is framed entirely in terms of quantum objects without having to invoke the existence of measurable classical quantities like the time in ordinary quantum mechanics. The formulation eliminates any privileged role to the measurement process giving an objective (...) definition of when an event occurs in a system. (shrink)

Populist representation is the process by which a body or set of bodies become the signifier of a powerful act of political transgression of the social order. We call this specific type of representative linkage ‘synecdochal representation’. In it, the leader’s body performs three key functions: it mirrors certain popular traits that are characterized as ‘low’, it displays marks of exceptionality, and it appropriates symbols of institutional power. These tasks are performed through particular ways of acting, dressing, talking, eating, and (...) the like, in public. Social media has become a key locus for bodily self-presentation because it is used to create the appearance of intimacy and spontaneity through the distribution of ‘candid’ pictures and videos. This paper will analyze how the self-presentation of populist and non-populist leaders are established through Twitter, what images they choose to disseminate, and how they are re-signified by the audience. To do so, we will focus on the two Latin American politicians: Cristina Fernández (with a populist style) and Mauricio Macri (with a technocratic one). (shrink)

Originally published in Mexico in 1970, _Indigenous and Popular Thinking in América _is the first book by the Argentine philosopher Rodolfo Kusch to be translated into English. At its core is a binary created by colonization and the devaluation of indigenous practices and cosmologies: an opposition between the technologies and rationalities of European modernity and the popular mode of thinking, which is deeply tied to Indian ways of knowing and being. Arguing that this binary cuts through América, Kusch seeks (...) to identify and recover the indigenous and popular way of thinking, which he contends is dismissed or misunderstood by many urban Argentines, including leftist intellectuals. _Indigenous and Popular Thinking in América_ is a record of Kusch's attempt to immerse himself in the indigenous ways of knowing and being. At first glance, his methodology resembles ethnography. He speaks with and observes indigenous people and mestizos in Peru, Bolivia, and Argentina. He questions them about their agricultural practices and economic decisions; he observes rituals; he asks women in the market the meaning of indigenous talismans; he interviews shamans; he describes the spatial arrangement and the contents of shrines, altars, and temples; and he reproduces diagrams of archaeological sites, which he then interprets at length. Yet he does not present a "them" to a putative "us." Instead, he offers an inroad to a way of thinking and being that does not follow the logic or fit into the categories of Western social science and philosophy. In his introduction, Walter D. Mignolo discusses Kusch's work and its relation to that of other twentieth-century intellectuals, Argentine history, and contemporary scholarship on the subaltern and decoloniality. (shrink)

The fascination of Velasquez's painting Las Meninas stems largely from the ambiguous relationship between the painting as a whole, viewed by a single perceiver, and the variety of different perceptual viewpoints it invites. This situation resonates strongly with a central puzzle in the study of consciousness: the apparent unity of perceptual experience despite multiple sense modalities. Understanding more of this latter might help to explain the way we respond to the painting.

IntroductionDuring the COVID-19 pandemic, healthcare workers in Italy have been exposed to an unprecedented pressure and traumatic events. However, no direct comparison with the general population is available so far. The aim of this study is to detail mental health outcomes in healthcare workers compared to the general population.Methods24050 respondents completed an on-line questionnaire during the contagion peak, 21342 general population, 1295 second-line healthcare workers, and 1411 front-line healthcare workers. Depressive, anxious, post-traumatic symptoms and insomnia were assessed. Specific COVID-19 related (...) potential risk factors were also considered in healthcare workers.ResultsDepressive symptoms were more frequent in the general population and front-line healthcare workers compared to the second-line healthcare workers groups. Anxiety symptoms showed a prevalence of 21.25% in the general population, 18.05% for second-line healthcare workers, and 20.55% for front-line healthcare workers. Insomnia showed a prevalence of 7.82, 6.58, and 9.92% for the general population, second-line healthcare workers, and front-line healthcare workers, respectively. Compared to the general population, front-line healthcare workers had higher odds of endorsing total trauma-related symptoms. Both second-line healthcare workers and front-line healthcare workers had higher odds of endorsing core post-traumatic symptoms compared to the general population, while second-line healthcare workers had lower odds of endorsing negative affect and dissociative symptoms. Higher total traumatic symptom score was associated with being a front-line healthcare worker, having a colleague infected, hospitalized, or deceased, being a nurse, female gender, and younger age.ConclusionThis study suggests a significant psychological impact of the COVID-19 pandemic on the Italian general population and healthcare workers. Front-line healthcare workers represent a specific at-risk population for post-traumatic symptoms. These findings underline the importance of monitoring and intervention strategies. (shrink)

Comentaré algunas ideas de Ermanno Vitale en torno a los problemas de migración, ciudadanía y fronteras a partir de cuatro textos, además del que hoy nos reúne en esta mesa “Ciudadanía y migrantes. Un ejercicio analítico”. El primero de ellos apareció en una estupenda compilación que preparó Pedro Salazar con el título Derechos y paz. Destinos individuales y colectivos, correspondiente al capítulo V del libro. Este último capítulo anticipa el segundo de los textos, su exquisito libro Ius migrandi, que será (...) objeto de comentarios en la mesa del próximo jueves. (shrink)

This paper focuses on an understudied aspect of Hobbes's natural philosophy: his approach to the domain of life. I concentrate on the role assigned by Hobbes to the heart, which occupies a central role in both his account of human physiology and of the origin of animal locomotion. With this, I have three goals in mind. First, I aim to offer a cross-section of Hobbes's effort to provide a mechanistic picture of human life. Second, I aim to contextualize Hobbes's views (...) in the seventeenth-century debates on human physiology and animal locomotion. In particular, I will compare Hobbes's views with the theories put forth by Harvey, Descartes, the Galenic, and Peripatetic traditions. Also, I will show that Hobbes was receptive to advances within contemporary English physiology and chemistry. Third, by means of a comparison with Descartes, I advance some hypothesis to explain why Hobbes indentified the heart, and not the brain (as was increasingly com... (shrink)

En la filosofía de J. Rancière es posible poner en evidencia una voluntad recurrente por afirmar y verificar la «igualdad de las inteligencias» que pasa, inicialmente, por el campo de la educación en su investigación sobre los postulados de J. Jacotot, un singular pedagogo francés del siglo XIX, y que desemboca en la política en su vínculo con la estética. En este artículo nos vamos a centrar en sus primeros trabajos, sobre todo, en su libro El maestro ignorante, para plantear (...) de qué manera puede hablarse de una «emancipación estética» en su filosofía para, luego, pasar a dilucidar las relaciones que este filósofo contemporáneo establece entre el arte, la estética y la política.Palabras clave: J. Rancière, Teorías de la emancipación, Estética y política, Educación estética, Políticas estéticas, Arte crítico o político. (shrink)

En el trabajo evaluamos el impacto que la crítica de Leibniz a los números infinitos tiene en el desarrollo de su metafísica de los cuerpos. Luego de exponer el vínculo que el filósofo alemán traza entre el cuerpo, la extensión y las cantidades infinitas en su período juvenil (1663-1672), analizamos sus reflexiones del período parisino sobre las paradojas de los números infinitos (1672-1676) y argumentamos que la defensa de la inconsistencia de tales números constituye un punto de inflexión en su (...) comprension de los cuerpos y, asimismo, marca el inicio de su ofensiva contra la res extensa.In this paper we study the impact of Leibniz’s critique of infinite numbers in his metaphysics of bodies. After presenting the relation that the German philosopher establishes in his youth between the notions of body, extension and infinite quantities (1672-1673), we analyze his thoughts on the paradoxes of the infinite numbers (1672-1676) and we claim that his defense of the inconsistency of such numbers is an inflexion point in his conception of body and mark the beginning of his offensive against the res extensa. (shrink)

Contentions about the origin of early modern empiricism have been floating about at least since the 1980s, where its exclusive “Britishness” was initially question, and the name of Gassendi was provocatively put forward as the putative “founder” of the current to the detriment of Francis Bacon. Recent scholarship has shown that early modern empiricism did not derive from philosophical speculation exclusively but had multiple sources and “foundations.” Yet, from a historical viewpoint, the question whether Bacon’s method had any influence on (...) the origin and development of Gassendi’s version of empiricism still carries significance, for its answer may open up different views on how the relation between British and “continental” empiricisms shall be framed. In this paper, I deal with Gassendi’s reception of Bacon. On the basis of a deep examination of Gassendi’s corpus, I contend that there is no trace of a consistent influence of Bacon on Gassendi’s empiricism before 1650s; although I show that an indirect influence can be found through the mediation of Peiresc, I put forward the hypothesis that it was more the empirical attitude characterizing Peiresc’s intellectual figure, rather than his interest in Baconianism, to be relevant, along with Epicurus’ philosophy, for Gassendi’s early empiricism. I then analyze Gassendi’s treatment of Bacon’s logic in Gassendi’s Syntagma philosophicum. I show that despite Gassendi’s sympathy for Bacon’s project, his own logic lays on fundamentally different assumptions. Despite this, I argue for Gassendi’s reception of Bacon’s theory of the idols in Syntagma philosophicum. On this basis, I conclude by restating the untenability of “national” accounts of the rise of empiricism, and the importance of highlighting instead the sharing of ideas between its actors. (shrink)

CONTENIDO: Vestigios protodemocráticos en la Edad Media tardía: Marsilio de Papua, Nicolás de Cusa / Matthias Vollet / - La concepción normativa de la democracia: un aporte neokantiano / Rodolfo Arango / - El concepto de lo político y la razón pública en Schmit y Rawls / Miguel Vatter / - Democracia y liberación pública / Cristina Lafont / - La democracia desde la teoría de las emociones / Viviana Quintero / - Ontología y democracia en spinoza y Negri (...) / Amalia Rey / - Reconocimiento y redistribución: el rol de un teoría crítica de la democracia / Nicolás Espejo / - La contribución de Haberman a la crítica de la tecnocratización de la democracia / Luis Javier Orjuela / - Libertad, derecho y democracia: aspectos teóricos y pragmáticos, con énfasis en la competencia / Joachim Lege / - Democracia representativa y democracia deliberativa: reflexiones a partir de la situación peruana reciente / David Sobrevilla. (shrink)

In reflection, emotions have been relegated to the field of subjectivity. A long time ago they were considered as an object of psychology, devoid of any interest for philosophical analysis. Thus, for scientific positivism and ethical emotivism, emotions lack epistemic value. Such convictions started to crumble after the studies pursued by thinkers such as Richard Rorty, Martha Nussbaum or Jon Elster. This paper highlights the importance of emotions for philosophy, referring to moral and political learning based on Colombian experiences It (...) also evaluates the importance of moral emotions in order to facilitate social transformation and to contribute to the emancipatory intentions of the Illustration. Keywords: emotions. (shrink)

El autor trata en este artículo la problemática de la integración de la enseñanzadel conocimiento científico-tecnológico en la educación. Se analiza la forma de responder a las demandas por una “alfabetización científico- tecnológica”, que incluya la tecnología en los currículos educativos. El estudio propone fundamentar el diseño de los programas de estudio en base a un marco general para analizar la tecnología, sintetizado mediante los conceptos: práctica social, conocimiento y artefacto, enfoque que permite comprender el “fenómeno tecnológico” y el significado (...) del concepto moderno de tecnología. Esto daría las herramientas analíticas para una organización curricular que integre ciencia y tecnología ordenada desde dos perspectivas: la estructura lógico-epistemológica propia de los distintos campos: saber científico, científico-tecnológico, tecnológico-científico y de las formas en que opera la inteligencia del alumno que aprende, lo cual permitiría en la enseñanza, conjugar las distintas posibilidadesde desarrollar mecanismos de articulación de los conocimientos. The author treats in this problematic article of the teaching integra0tion of the technologic-scientific knowledge in education. The way of answering to the demands for an “alphabetization technologic-scientific” is analyzed, in which includes the technology in the educative curriculums. The survey proposes to establish the design of the study programs based to a general setting to analyzethe technology, synthesized by way of these concepts: social practice knowledge and device, approach which allows the understanding of the “technological phenomenon” and the meaning of the modern concept of the technology. Thiswould give the analytical instruments for a curricular organization, in which includes science and technology, ordered from two perspectives: the logic-epistemology structure typical of the different fields: scientific knowledge, scientific-technologic, technologic-scientific and the ways in which the intelligence of the pupil who learns operates, in which case would permit in teaching, conjugate the different possibilities to develop mechanisms of articulation of the knowledge. (shrink)