A unified axiomatic theory that embraces both mechanics and thermodynamics is presented in three parts. It is based on four postulates; three are taken from quantum mechanics, and the fourth is the new disclosure of the existence of quantum states that are stable (Part I). For nonequilibrium and equilibrium states, the theory provides general original results, such as the relation between irreducible density operators and the maximum work that can be extracted adiabatically (Part IIa). For stable equilibrium states, it shows (...) for the first time that the canonical and grand canonical distributions are the only stable distributions (Part IIb). The theory discloses the incompleteness of the equation of motion of quantum mechanics not only for irreversible processes but, more significantly, for reversible processes (Part IIb). It establishes the operational meaning of an irreducible density operator and irreducible dispersions associated with any state, and reveals the relationship between such dispersions and the second law (Part III). (shrink)

This part of the paper concludes the presentation of the unified theory. It is shown that the theory requires the existence of, and applies only to, irreducible quantal dispersions associated with pure or mixed states. Two experimental procedures are given for the operational verification of such dispersions. Because the existence of irreducible dispersions associated with mixed states is required by Postulate 4 of the theory, and because Postulate 4 expresses the basic implications of the second law of classical thermodynamics, it (...) is concluded that the second law is a manifestation of phenomena characteristic of irreducible quantal dispersions associated with the elementary constituents of matter. (shrink)

Part IIb presents some of the most important theorems for stable equilibrium states that can be deduced from the four postulates of the unified theory presented in Part I. It is shown for the first time that the canonical and grand canonical distributions are the only distributions that are stable. Moreover, it is shown that reversible adiabatic processes exist which cannot be described by the dynamical equation of quantum mechanics. A number of conditions are discussed that must be satisfied by (...) the general equation of motion which is yet to be discovered. (shrink)

Part II of this three-part paper presents some of the most important theorems that can be deduced from the four postulates of the unified theory discussed in Part I. In Part IIa, it is shown that the maximum energy that can be extracted adiabatically from any system in any state is solely a function of the density operator $\hat \rho$ associated with the state. Moreover, it is shown that for any state of a system, nonequilibrium, equilibrium or stable equilibrium, a (...) unique propertyS exists which is proportional to the total energy of the system minus the maximum energy that can be extracted adiabatically from the system in combination with a reservoir. For statistically independent systems, propertyS is extensive, it is invariant during all reversible processes, and it increases during all irreversible processes. (shrink)

ABSTRACTPrior research on attention bias in anxious youth, often utilising a visual dot probe task, has yielded inconsistent findings, which may be due to how bias is assessed and/or variability in the phenomenon. The present study utilises eye gaze tracking to assess attention bias in socially anxious adolescents, and explores several methodological and within-subject factors that may contribute to variability in attention bias. Attention bias to threat was measured in forty-two treatment-seeking adolescents diagnosed with Social Anxiety Disorder. Bias scores toward (...) emotional stimuli and bias scores away from emotional stimuli were explored. Bias scores changed between vigilance and avoidance within individuals and over the course of stimulus presentation. These differences were not associated with participant characteristics nor with self-reported social anxiety symptoms. However, clinician rated severity of social anxiety, explained a signific... (shrink)

© 2016 Elsevier LtdJumping spiders are famous for their visually driven behaviors [1]. Here, however, we present behavioral and neurophysiological evidence that these animals also perceive and respond to airborne acoustic stimuli, even when the distance between the animal and the sound source is relatively large and with stimulus amplitudes at the position of the spider of ∼65 dB sound pressure level. Behavioral experiments with the jumping spider Phidippus audax reveal that these animals respond to low-frequency sounds by freezing—a common (...) anti-predatory behavior characteristic of an acoustic startle response. Neurophysiological recordings from auditory-sensitive neural units in the brains of these jumping spiders showed responses to low-frequency tones —recordings that also represent the first record of acoustically responsive neural units in the jumping spider brain. Responses persisted even when the distances between spider and stimulus source exceeded 3 m and under anechoic conditions. Thus, these spiders appear able to detect airborne sound at distances in the acoustic far-field region, beyond the near-field range often thought to bound acoustic perception in arthropods that lack tympanic ears [2]. Furthermore, direct mechanical stimulation of hairs on the patella of the foreleg was sufficient to generate responses in neural units that also responded to airborne acoustic stimuli—evidence that these hairs likely play a role in the detection of acoustic cues. We suggest that these auditory responses enable the detection of predators and facilitate an acoustic startle response. Video. (shrink)

T echnocrati c fundamentalis m (neocons ) an d theocrati c fundamentalis m (teocons) ar e t w o manifestation s o f politica l though t v e r y restrict i v e o f democra c y . Th e f irst on e ha s a highe r incidenc e i n th e f iel d o f econo m y an d th e secon d on e i n tha t o f the (...) religion , bu t bot h imp l y a stron g challeng e fo r th e democrati c State . Thi s a r ticl e deals wit h th e mor e o r les s fo r ma l conjunctio n bet w ee n bot h kind s o f fundamentalism , that appear s an d acts , e v e n a t a globa l l e v el , a s a v e r y conse r v at i v e reactio n agains t the mai n demand s o f c i vi c laicis m an d o f pr o g ress i v e policies . Th e autho r maintain s that th e an s w e r t o thes e n e w fundamentalisms , li k e t o th e ol d d o gmatisms , i s no t a t all th e relat i vism , bu t th e critica l an d aut o critica l thought . Th e poin t i s t o ad v ance , with thi s critica l attitude , i n th e const r uctio n o f n e w democrati c fo r mulations , pr o vided wit h a mor e stron g fundamen t i n te r m s o f ethica l l e gitima c y an d socia l l e gitimation. (shrink)

Recreational Drugs European Network (ReDNet) project aims to use the Psychonaut Web Mapping Project database (Psychonaut Web Mapping Group, 2009) containing novel psychoactive compounds usually not mentioned in the scientific literature and thus unknown to clinicians as a unique source of information. The database will be used to develop an integrated ICT prevention approach targeted at vulnerable individuals and focused on novel synthetic and herbal compounds and combinations. Particular care will be taken in keeping the health professionals working directly with (...) young people showing problematic behaviors regularly updated in terms of novel compounds and combinations as well. A user-friendly project website will be developed aimed primarily at delivering the information/prevention approaches, but will also be a way of communicating with project partners and relevant stakeholders (e.g. thematic forum facilities, instant messages, blogs, video chat, wikiblog, newsletters distributed via mailing list). The website will support various ICT prevention tools, including an SMS alert service. Different areas and sections will be aimed specifically at the different target groups. -/- . (shrink)

Plato. The republic.--Aristotle. Politics.--Cicero, M. T. On the commonwealth.--John of Salisbury. The prince versus the tyrant.--Machiavelli, N. The prince and the people.--Hobbes, T. The state of nature and the Leviathan.--Locke, J. The right of revolution.--Marx, K. and Engels, F. Bourgeois and proletarians.--Bakunin, M. A. The Paris Commune and the idea of the state.--Mill, J. S. On liberty.--Lenin, V. I. Marxism and the withering away of the state.--Hitler, A. Race and the folkish state.--Mao Tse-tung. From the masses, to the masses.--Che Guevara, (...) E. Create two, three, many Vietnams. (shrink)

Obsessive-compulsive disorder (OCD) is a deeply enigmatic psychiatric condition associated with immense suffering worldwide. Efficacious therapies for OCD, like exposure and response prevention (ERP) are sometimes poorly tolerated by patients. As many as 25 percent of patients refuse to initiate ERP mainly because they are too anxious to follow exposure procedures. Accordingly, we proposed a simple and tolerable (immersive yet indirect) low-cost technique for treating OCD that we call “multisensory stimulation therapy.” This method involves contaminating a rubber hand during the (...) so-called “rubber hand illusion” (RHI) in which tactile sensations may be perceived as arising from a fake hand. Notably, Jalal and Ramachandran (2015), showed that such fake hand contamination during the RHI provokes powerful disgust reactions in healthy volunteers. In the current study, we explored the therapeutic potential of this novel approach. OCD patients (n = 29) watched as their hidden real hand was being stroked together with a visible fake hand; either synchronously (inducing the RHI) (i.e., the experimental condition; n = 16) or asynchronously (i.e., the control condition; n = 13). After 5 minutes of tactile stimulation, the rubber hand was contaminated with fake feces, simulating conventional exposure therapy. Intriguingly, results suggested sensory assimilation of contamination sensations into the body image via the RHI: patients undergoing synchronous stimulation did not report greater contamination sensations when the fake hand was initially contaminated relative to asynchronous stroking. But contrary to expectations, they did so after the rubber hand had been contaminated for 5 minutes; as assessed via disgust facial expressions (a secondary outcome) and in vivo exposure (upon discontinuing the illusion). Further to our surprise, synchronous and asynchronous stroking induced an equally vivid and fast emerging illusion, which helps explain why both conditions initially (5 minutes after initiating tactile stimulation) provoked contamination reactions of equal magnitude. This study is the first to suggest heightened malleability of body image in OCD. Importantly, it may pave the way for a tolerable technique for the treatment of OCD—highly suitable for poorly resourced and emergency settings, including low-income and developing countries with minimal access to high-tech solutions like virtual reality. (shrink)

This article presents the results of an empirical study of the “sportification” of amateur-level competitive computer gaming. How do amateur players, who are unlikely to become professional esports players, turn what is considered to be enjoyable entertainment into a collective activity that demonstrates traits traditionally associated with professional sports, such as self-discipline, a focus on achieving results and overcoming personal limitations? Ethnographic research, consisting of in-depth interviews and participant observations, was conducted in the last quarter of 2019 based on a (...) series of tournaments (Rocket League, Counter-Strike: Global Offensive, League of Legends, and Rainbow Six Siege) managed by a student esports club of a Moscow-based university. Such clubs combine different levels of esports practice: players who consider themselves amateurs who attend tournaments “for fun”, players seeking professionalization and who have already received the first modest revenue from their activity, as well as players who achieved the status of a cyberathlete through membership in one of the university teams. Thus, student esports represents an ideal environment for exploring the dynamics of changes in the meanings that players put into their activity, as well as for finding elements holding to­gether what could be called “esports culture”. The analysis conducted in the present article is based not so much on the interpretations of the phe­nomenon of esports that exists in the field of game studies, as on two clas­sical sociological traditions: the writings of Erving Goffman and Howard Becker, on the one hand, and those of Max Weber and Norbert Elias on the other. As a result, the process of the “sportification” of the amateur practice of competitive computer games is presented in the article as a change in the actors’ level of reflexivity: towards the game, towards themselves during play, and towards the world around the game, occurring as they move through the stages of the “career of a competitive player”. ­. (shrink)

In this introduction we highlight Norbert Elias’s bold attempt to build a general model of the human sciences, integrating the social and natural sciences. We point to a range of different disciplines, emphasizing how he rarely developed a consistent critique of individual disciplines, though he often made some very fruitful suggestions about they should be reconceptualized in a relational and more integrative way. Based on our own research on survival units and the contributions to this special issue, we discuss the (...) innovative potential of his ambition for transdisciplinary research, while at the same time offering an overview of some of the limitations in his theoretical perspective. We reassess his attempt to integrate the natural and social sciences within one universal testable model, and, at the same time, we consider areas like religion and economics that were rarely systematically investigated in his own theoretical approach. (shrink)

«Theologicis et Philosophicis doctrinis, ex ipsa Iuris et lustititiae, nec non Prudentiae, aliarumque Virtutum Moralium Natura desumptis, compendiario illustratus et sub auspiciis lUustrissimi Domini D. Georgii de Lubomir L U B O M I R S K I, Comitis in Visnicz et Jaroslaw: Poloniarum Archimarschalci, et Regni Exercituum Ducis, nec non Generalis Cracoviae: et Casimiriensis, Olstinensis, Chmielnicensis, Nizinensis etc. etc. Capitanei. Publicae Disputantium concertationi propositus ab Alexandro J a s k m a n i c k i, sacrae Theologiae auditore. (...) In Cardinalitio Hosiano Collegio Societatis Jesu. Anno ab Homine Deo nato. M.DC.LXIV [1664]. Brunsbergae, Typis Henrici Schultz». En habes, Benevolo Lector, plenum titulum libri, qui hie nostram movet attentionem. Primum Auctoris biographia traditur, deinde de eiusdem operis dedicatione sermo est, postea vero ipsa eins politica et socialis doctrina explicatur et commentatur. (shrink)

Comment est né l'Etat moderne que d'aucuns disent en crise? Quel rôle a-t-il joué dans la relative pacification des sociétés occidentales au cours des cinq derniers siècles? Une théorie de la civilisation peut-elle comprendre et expliquer Auschwitz? L'œuvre de Norbert Elias s'est confrontée sans faux-semblants aux principaux défis légués par le XXe siècle aux sciences humaines. Atypique et longtemps méconnue, cette sociologie historique assume la tentative de penser ensemble, et dans la longue durée, l'évolution des structures psychiques des individus et (...) celle des structures sociales des entités qu'ils forment. Aujourd'hui, les conséquences de la mondialisation et les questions soulevées par l'intégration européenne lui offrent une actualité nouvelle. Les transformations affectant l'organisation politique des hommes n'ont certes aucune raison de s'arrêter aux frontières des Etats-nations, peut-être appelés à disparaître sous l'effet d'interdépendances devenues planétaires. Mais quand l'appartenance à l'humanité peine à créer du sens, peut-on éviter que la communauté ne se fonde sur un sentiment, par définition toujours exclusif d'un " autre "? La tâche du sociologue se voit alors redéfinie : mettre les problèmes en histoire afin de les mettre à distance. De même que sa mission : rapprocher les individus en leur faisant connaître et reconnaître les liens qui les unissent. C'est à la lumière de cette double ambition que se laisse décrypter la réflexion d'Elias. Une réflexion sur le devenir de la civilisation et de l'Etat aussi originale que contestée, et dont les enjeux politiques et épistémologiques ne sauraient être dissociés. (shrink)

L'auteur montre comment N. Elias critique à la fois la sociologie classique, qui emprunte aux sciences naturelles la théorie évolutionniste, et la sociologie moderne, qui rejette la notion d'évolution. Il analyse comment N. Elias propose une sociologie évolutionnaire à travers le concept de processus configurationnel qui abolit l'opposition classique individu-société. Dans ce cadre, la notion d'évolution appartient elle aussi au processus évolutionnaire.The author shows how N. Elias criticizes, at one and the same time, the classical sociology using the evolutionistic theoiy (...) coming from the natural sciences, and the modern sociology rejecting the notion of evolution. He analyses how N. Elias propounds an . evolutionary sociology through the concept of configurationalprocess which eliminates the classical individual-society opposition. In this framework the notion of evolution itself has to be seen as belonging to the evolutionaiy process. (shrink)

Sociologue hors normes, Norbert Elias, né en Allemagne en 1897, mort aux Pays-Bas en 1990, est considéré comme l'un des plus grands représentants de sa discipline. Son oeuvre n'a été introduite en France que dans les années 1970, mais bénéficie aujourd'hui d'une reconnaissance internationale et pluridisciplinaire. Pour introduire à cette oeuvre au croisement et de l'histoire, de l'anthropologie et de la psychologie et en restituer l'unité substantielle, Nathalie Heinich dégage d'abord les motifs sous-jacents aux grands travaux d'Elias sur le processus (...) de civilisation et ses choix : la contextualisation plutôt que la généralisation, les relations plutôt que les objets, la neutralité plutôt que le jugement de valeur. Comment penser avec Elias? C'est ce que propose cet ouvrage, à l'approche didactique. (shrink)

The sociological work of Elias is studied, together with his characteristic outcast position, typical of judaism at the end of the century. From such judaic root stems the metapolitical approach observed in the process of civilization from the platform of a Human Genre already assume as formed and defined by the civilized conscience. The idea of a metapolitical (extraterritorial) platform is determined, and its possible historical and political efficiency. Finally, the work focuses on the limits of the civilization process, contrasting (...) N. Elias and G. Bueno conceptions on the issue. Hence a third alternative which observs such limit of history and its superation in the “antropological field” – through the a structural, technoscientific and objective development of society – springs as a source from where the “ultramoderne spirit” described at the end of the issue finds its origins. (shrink)

Originally published in 1985, this is a short meditation by a great old man on people relating to other people who are dying, and the need for all of us to open ...

Trehalose is a natural disaccharide with a remarkable ability to stabilize biomolecules. In recent years, trehalose has received growing attention as a neuroprotective molecule and has been tested in experimental models for different neurodegenerative diseases. Although the underlying neuroprotective mechanism of trehalose's action is unclear, one of the most important hypotheses is autophagy induction. The chaperone‐like activity of trehalose and the ability to modulate inflammatory responses has also been reported. There is compelling evidence that the dysfunction of autophagy and aggregation (...) of misfolded proteins contribute to the pathogenesis of Alzheimer's disease (AD) and other neurodegenerative disorders. Therefore, given the linking between trehalose and autophagy induction, it appears to be a promising therapy for AD. Herein, the published studies concerning the use of trehalose as a potential therapy for AD are summarized, providing a rationale for applying trehalose to reduce Alzheimer's pathology. (shrink)

Confidentiality is a central bioethical principle governing the provider–patient relationship. Dating back to Hippocrates, new laws have interpreted it for the age of precision medicine and electronic medical records. This is where the discussion of privacy and technology often ends in the scientific health literature when Internet-related technologies have made privacy a much more complex challenge with broad psychological and clinical implications. Beyond the recognised moral duty to protect patients’ health information, clinicians should now advocate a basic right to privacy (...) as a means to safeguard psychological health. The article reviews empirical research into the functions of privacy, the implications for psychological development and the resigned sentiment taking hold regarding the ability to control personal data. The article concludes with a call for legislative, educational and research steps to readjust the equilibrium between the individual and ‘Big Data’. (shrink)

This article contributes to the literature on national varieties of socially responsible investment (SRI) by demonstrating how Scandinavian SRI developed from the 60s and onwards. Combining findings on Scandinavian SRI with insights from previous research and institutional theory, the article accounts for the role of changes in societal values and norms, the mechanisms by which SRI practices spread, and how investors adopt and transform practices to suit their surrounding institutional contexts. Especially, the article draws attention to how different categories of (...) investors act as institutional entrepreneurs during specific historical periods, and how these roles come to shift as institutional rule systems of varying societal levels change. Thus, the insights gained are useful in the future research agenda concerned with advancing knowledge on idiosyncrasies and commonalities of national SRI manifestations, and to understand the reasons underlying such characteristics. (shrink)

I argue that curiosity about the world deserves attention as a moral virtue, even apart from the role it may play in (the more generally praised) love of wisdom. First, close relationships and caring are reasonably considered part of a well-lived life, and curiosity is important for caring both about people and about things in the world. Second, curiosity helps us to define an appropriate way for persons to be affected by certain situations. Perhaps most important, curiosity can help one (...) to live well because it addresses the most fundamental existential task humans face, the need to see their lives as meaningful. I argue that curiosity is a distinctive virtue but suggest that related virtues (e.g., receptivity, reverence) may contribute to different kinds of worthy engagement with the world. (shrink)

The object of this paper is to show how one is able to construct a paraconsistent theory of models that reflects much of the classical one. In other words the aim is to demonstrate that there is a very smooth and natural transition from the model theory of classical logic to that of certain categories of paraconsistent logic. To this end we take an extension of da Costa''sC 1 = (obtained by adding the axiom A A) and prove for it (...) results which correspond to many major classical model theories, taken from Shoenfield [5]. In particular we prove counterparts of the theorems of o-Tarski and Chang-o-Suszko, Craig-Robinson and the Beth definability theorem. (shrink)

Desde la tradición de los estudios de gubernamentalidad y sus resonancias en las sociologías políticas y de la educación, en este artículo se recuperan los debates vigentes en torno a las nociones de gubernamentalidad, gobierno y biopolítica desarrolladas en la vasta obra de Michel Foucault y sus continuadoras/es para enlazarlas con las discusiones sobre el objeto de estudio y el campo teórico de la política educativa, enfatizando el potencial analítico que ofrece su grilla de inteligibilidad para los fenómenos educativos propios (...) de las sociedades posdisciplinares. En esa dirección, este trabajo esboza una serie de propuestas epistemológicas, teóricas y metodológicas producidas a partir de una investigación empírica recientemente finalizada (Aguirre, 2022), de corte descriptivo y de carácter cualitativo. En vistas a estos propósitos, se producen diálogos interdisciplinares a la vez que se tensionan y discuten algunos supuestos clásicos y tradicionales de la política educativa, para incitar una renovación analítica que posibilite el estudio de las relaciones sociales de autogobierno y gobierno de las/os otras/os en tanto articulaciones históricas entre el saber, el poder y la subjetividad. Finalmente, se exponen algunos indicios y propuestas para el abordaje sociológico de los fenómenos educativos contemporáneos, que convocan y promueven la necesidad de producir ciertos desplazamientos epistemológicos en el campo teórico de la política educativa, así como invitan a la reconfiguración de sus objetos de estudio en el marco de la adscripción a un enfoque posestructuralista. (shrink)

This article examines humanist works written in the immediate aftermath of Stefano Porcari's failed conspiracy against Pope Nicholas V. While they were designed to flatter the pope and support papal claims to temporal power, these works use images and adopt rhetorical startegies that are republican and not, as one would expect, imperial in origin. The humanists were so devoted not only to classical form, but also to Roman republican ideals that they sometimes present Porcari positively, have heroes of the Roman (...) republic comment on the modern papacy, and construct a strained theory of papal liberty. (shrink)

Supervenience is one of the 'hot discoveries' of analytic philosophy, and this collection of essays on the topic represents an examination of it and its application to major areas of philosophy. The interest in supervenience has much to do with the flexibility of the concept. To say that x supervenes on y indicates a degree of dependence without committing one to the view that x can be reduced to y. Thus supervenience is a relationship that has the potential of replacing (...) the traditional notion of dependence, while performing at least part of the function reductive relationships were supposed to fulfil. Moreover, since it is a topic-neutral concept, supervenience has a wide range of applicability. (shrink)

Cause and effect relationships play a central role in how we perceive and make sense of the world around us, how we act upon it, and ultimately, how we understand ourselves. Almost two decades ago, computer scientist Judea Pearl made a breakthrough in understanding causality by discovering and systematically studying the “Ladder of Causation” [Pearl and Mackenzie 2018], a framework that highlights the distinct roles of seeing, doing, and imagining. In honor of this landmark discovery, we name this the Pearl (...) Causal Hierarchy (PCH). In this chapter, we develop a novel and comprehensive treatment of the PCH through two complementary lenses, one logical-probabilistic and another inferential-graphical. Following Pearl’s own presentation of the hierarchy, we begin by showing how the PCH organically emerges from a well-specified collection of causal mechanisms (a structural causal model, or SCM). We then turn to the logical lens. Our first result, the Causal Hierarchy Theorem (CHT), demonstrates that the three layers of the hierarchy almost always separate in a measure theoretic sense. Roughly speaking, the CHT says that data at one layer virtually always underdetermines information at higher layers. Since in most practical settings the scientist does not have access to the precise form of the underlying causal mechanisms – only to data generated by them with respect to some of PCH’s layers – this motivates us to study inferences within the PCH through the graphical lens. Specifically, we explore a set of methods known as causal inference that enable inferences bridging PCH’s layers given a partial specification of the SCM. For instance, one may want to infer what would happen had an intervention been performed in the environment (second-layer statement) when only passive observations (first-layer data) are available. We introduce a family of graphical models that allows the scientist to represent such a partial specification of the SCM in a cognitively meaningful and parsimonious way. Finally, we investigate an inferential system known as docalculus, showing how it can be sufficient, and in many cases necessary, to allow inferences across PCH’s layers. We believe that connecting with the essential dimensions of human experience as delineated by the PCH is a critical step towards creating the next generation of AI systems that will be safe, robust, human-compatible, and aligned with the social good. (shrink)

The concept of truth arguably plays a central role in many areas of philosophical theorizing. Yet, what seems to be one of the most fundamental principles governing that concept, i.e. the equivalence between P and , is inconsistent in full classical logic, as shown by the semantic paradoxes. I propose a new solution to those paradoxes, based on a principled revision of classical logic. Technically, the key idea consists in the rejection of the unrestricted validity of the structural principle of (...) contraction. I first motivate philosophically this idea with the metaphysical picture of the states-of-affairs expressed by paradoxical sentences as being distinctively . I then proceed to demonstrate that the theory of truth resulting from this metaphysical picture is, in many philosophically interesting respects, surprisingly stronger than most other theories of truth endorsing the equivalence between P and (for example, the theory vindicates the validity of the traditional laws of excluded middle and of non-contradiction, and also vindicates the traditional constraint of truth preservation on logical consequence). I conclude by proving a cutelimination theorem that shows the consistency of the theory. (shrink)

We prove the following instance of a conjecture stated in [P. E. Eleftheriou and Y. Peterzil, Definable quotients of locally definable groups, Selecta Math. 18 885–903]. Let [Formula: see text] be an abelian semialgebraic group over a real closed field [Formula: see text] and let [Formula: see text] be a semialgebraic subset of [Formula: see text]. Then the group generated by [Formula: see text] contains a generic set and, if connected, it is divisible. More generally, the same result holds when (...) [Formula: see text] is definable in any o-minimal expansion of [Formula: see text] which is elementarily equivalent to [Formula: see text]. We observe that the above statement is equivalent to saying: there exists an [Formula: see text] such that [Formula: see text] is an approximate subgroup of [Formula: see text]. (shrink)

"The Third Edition of Philosophical Foundations of Adult Education presents seven theoretical approaches to adult education: liberal, progressive, behaviorist, humanist, radical/critical, analytic, and postmodem. The book gives the historical grounding as well as the basic principles for each approach. In this edition each chapter has been revised and brought up to date. The chapter on radical adult education incorporates recent developments in radical education, phenomenology, feminist educational theory, and critical social theory. The book contains an entirely new chapter on postmodem (...) adult education.". (shrink)

Dense pairs of geometric topological fields have tame open core, that is, every definable open subset in the pair is already definable in the reduct. We fix a minor gap in the published version of van den Dries's seminal work on dense pairs of o-minimal groups, and show that every definable unary function in a dense pair of geometric topological fields agrees with a definable function in the reduct, off a small definable subset, that is, a definable set internal to (...) the predicate. For certain dense pairs of geometric topological fields without the independence property, whenever the underlying set of a definable group is contained in the dense-codense predicate, the group law is locally definable in the reduct as a geometric topological field. If the reduct has elimination of imaginaries, we extend this result, up to interdefinability, to all groups internal to the predicate. (shrink)

In [E. Baro, M. Otero, On o-minimal homotopy, Quart. J. Math. 15pp, in press ] o-minimal homotopy was developed for the definable category, proving o-minimal versions of the Hurewicz theorems and the Whitehead theorem. Here, we extend these results to the category of locally definable spaces, for which we introduce homology and homotopy functors. We also study the concept of connectedness in -definable groups — which are examples of locally definable spaces. We show that the various concepts of connectedness associated (...) to these groups, which have appeared in the literature, are non-equivalent. (shrink)

In Crull it is argued that, in order to confront outstanding problems in cosmology and quantum gravity, interpretational aspects of quantum theory can by bypassed because decoherence is able to resolve them. As a result, Crull concludes that our focus on conceptual and interpretational issues, while dealing with such matters in Okon and Sudarsky, is avoidable and even pernicious. Here we will defend our position by showing in detail why decoherence does not help in the resolution of foundational questions in (...) quantum mechanics, such as the measurement problem or the emergence of classicality. (shrink)

The Consistent Histories (CH) formalism aims at a quantum mechanical framework which could be applied even to the universe as a whole. CH stresses the importance of histories for quantum mechanics, as opposed to measurements, and maintains that a satisfactory formulation of quantum mechanics allows one to assign probabilities to alternative histories of a quantum system. It further proposes that each realm, that is, each set of histories to which probabilities can be assigned, provides a valid quantum-mechanical account, but that (...) different realms can be mutually incompatible. Finally, some of its proponents offer an “evolutionary” explanation of our existence in the universe and of our preference for quasiclassical descriptions of nature. The present work questions the validity of claims offered by CH proponents asserting that it solves many interpretational problems in quantum mechanics. In particular, we point out that the interpretation of the framework leaves vague two crucial points, namely, whether realms are fixed or chosen and the link between measurements and histories. Our claim is that by doing so, CH overlooks the main interpretational problems of quantum mechanics. Furthermore, we challenge the evolutionary explanation offered and we critically examine the proposed notion of a realm-dependent reality. (shrink)