El presente trabajo trata sobre el exilio en México del escritor, periodista y poeta Alfonso Guillén Zelaya entre 1933 y 1947. Etapa significativa de la vida y obra del pensador hondureño, pero también de la historia mexicana y latinoamericana. En nuestro artículo hacemos mención a un periodo políti..

The author of the Visión deleytable practiced the ironic-esoteric art of writing. This article demonstrates basically two thesis: Alfonso de la Torre was without question a Jewish writer, and his books constitutes a magnificent and insuperable expression of literary and philosophical marranism. Alfonso de la Torre was a Jewish master of the secret and irony. Marranism and secret are likewise both touchstone in Maimonides’ thought, whose influence in Alfonso de la Torre’s work became decisive, mostly regarding the (...) philosophical-political sphere. For these reasons, this article proves that the author of Visión deleytable, not only was a perfect connoisseur of Guide for the Perplexed ; the influence of the Sefardí reaches further. Alfonso de la Torre’s book incorporates other Maimonides’ books like The Art of Logic, Epistle about forced conversio n or Epistle to Yemen. (shrink)

Advances in DNA technology and the discovery of DNA polymorphisms have permitted the creation of DNA databases of individuals for the purpose of criminal investigation.Many ethical and legal problems arise in the preparation of a DNA database, and these problems are especially important when one analyses the legal regulations on the subject.In this paper three main groups of possibilities, three systems, are analysed in relation to databases. The first system is based on a general analysis of the population; the second (...) one is based on the taking of samples for a particular list of crimes, and a third is based only on the specific analysis of each case. The advantages and disadvantages of each system are compared and controversial issues are then examined. We found the second system to be the best choice for Spain and other European countries with a similar tradition when we weighed the rights of an individual against the public's interest in the prosecution of a crime. (shrink)

Localization Wireless Sensor Networks (WSN) represent a research topic with increasing interest due to their numerous applications. However, the viability of these systems is compromised by the attained localization uncertainties once implemented, since the network performance is highly dependent on the sensors location. The Node Location Problem (NLP) aims to obtain the optimal distribution of sensors for a particular environment, a problem already categorized as NP-Hard. Furthermore, localization WSN usually perform a sensor selection for determining which nodes are to be (...) utilized for maximizing the achieved accuracy. This problem, defined as the Sensor Selection Problem (SSP), has also been categorized as NP-Hard. While different metaheuristics have been proposed for attaining a near optimal solution in both problems, no approach has considered the two problems simultaneously, thus resulting in suboptimal solutions since the SSP is biased by the actual node distribution once deployed. In this paper, a combined approach of both problems simultaneously is proposed, thus considering the SSP within the NLP. Furthermore, a novel metaheuristic combining the Black Widow Optimization (BWO) algorithm and the Variable Neighbourhood Descent Chains (VND-Chains) local search, denominated as BWO-VND-Chains, is particularly devised for the first time in the author’s best knowledge for the NLP, resulting in a more efficient and robust optimization technique. Finally, a comparison of different metaheuristic algorithms is proposed over an actual urban scenario, considering different sensor selection criteria in order to attain the best methodology and selection technique. Results show that the newly devised algorithm with the SSP criteria optimization achieves mean localization uncertainties up to 19.66 % lower than traditional methodologies. (shrink)

In recent years, a great deal of evidence has accumulated on the health risks and environmental impacts of some herbicides. Both conventional agriculture and agroecology are searching for alternatives to address the challenges posed by the consequences of herbicide use. In this search, peasant and indigenous agroecosystems have much to contribute since their crops evolved thousands of years ago together with diverse communities of weeds, and farmers have carried out sophisticated strategies to manage them. Through participant observation, semi-structured interviews, free (...) lists, and botanical collection, we document a milpa design that integrates and manages spontaneous vegetation to take advantage of its presence and minimize risks of crop loss. The objective of this article is to critically contrast agroecological mechanisms in this milpa design which matches the prevention principle with a set of recommendations recognized as preventive in conventional weed science. (shrink)

In a recent paper, Berger and Nanay consider, and reject, three ways of addressing the phenomenon of unconscious perception within a naïve realist framework. Since these three approaches seem to exhaust the options open to naïve realists, and since there is said to be excellent evidence that perception of the same fundamental kind can occur, both consciously and unconsciously, this is seen to present a problem for the view. We take this opportunity to show that all three approaches considered remain (...) perfectly plausible ways of addressing unconscious perception within a naïve realist framework. So far from undermining the credibility of naïve realism, Berger and Nanay simply draw our attention to an important question to be considered by naïve realists in future work. Namely, which of the approaches considered is most likely to provide an accurate account of unconscious perception in each of its purported incarnations? (shrink)

ABSTRACT:Giving without the expectation of reward is difficult to understand in organizational contexts. In opposition to a logic based on self-interest or a sense of duty, a “logic of gift” has been proposed as a way to understand the phenomenon of free, unconditional giving. However, the rationale behind, and effects of, this logic have been under-explored. This paper responds by first clarifying the three logics of action—the logic of exchange, the logic of duty, and the logic of gift—and then explains (...) how their balanced integration promises to enhance organizational life and outcomes. Having explicated the unique character and contributions of the logic of gift, the paper further suggests practical implications for management. Encouraging the logic of gift fosters more humane relationships within organizations and to enable individuals to be generous in ways that inspire trust and promote creativity. (shrink)

The aim of our experiment was to analyse the effect of the emotional valence (positive, negative, or neutral) on true and false recognition, matching the arousal, frequency, concreteness, and associative strength of the study and recognition words. Fifty younger adults and 46 healthy older adults performed three study tasks (with words of different valence: positive, negative, neutral) and their corresponding recognition tests. Two weeks later, they performed the three recognition tests again. The results show that words with a negative valence (...) produced less true recognition and less false recognition than words with a positive or neutral valence, in both younger and older adults, on the immediate recognition test. This pattern of results was also found in the younger adults on the delayed recognition test, whereas in the older participants, these differences disappeared. Thus, when arousal is controlled, both younger and older adults tend to recognise negative information worse than positive or neutral information, but they also commit fewer errors. Results would suggest that the greater arousal commonly associated with negative stimuli, rather than their own valence, could explain some of the contradictory results found in the literature. (shrink)

El problema de la enajenación del ser humano es una constante en la obra teórica y narrativa de José Revueltas. El hecho de que el tema carcelario aparezca con frecuencia en sus relatos y novelas, en algunos de los cuales la cárcel deviene un personaje más, obedece precisamente a su interés en dicho problema. Como aquí se muestra, Revueltas no sólo buscaba exponer y analizar la enajenación humana, sino a la vez explorar posibles vías de liberación. De ahí que, mientras (...) que en sus primeros trabajos se centró en el sistema penitenciario, gradualmente pasó a abordar en ellos el encierro en el espacio público y en la propia conciencia. (shrink)

El Misterio de la Trinidad constituye el centro de la fe cristiana. Para la teología es también la verdad fundamental, que ilumina las demás realidades creídas. Esta situación indica que ha quedado atrás el “esplendido aislamiento” de la doctrina trinitaria que denunciaban los grandes teólogos del siglo XX. El presente trabajo pretende mostrar los logros de esta renovación trinitaria de la teología, especialmente en los ámbitos de la antropología teológica, la teología de la familia, la eclesiología y la doctrina social (...) de la Iglesia. Junto con los frutos maduros de esta nueva dimensión trinitaria de la teología, no se ocultan sus límites y riesgos. Creemos que esta nueva proposición trinitaria de las verdades cristianas puede ser válida en nuestro contexto postmoderno y postsecular. (shrink)

Previous research has suggested that in cultural production fields the concatenation of eminence explains success, defined as influence and innovation. We propose that individuals in fields as diverse as philosophy, literature, mathematics, painting, or architecture gain visibility by cumulating the eminence of others connected to them across and within generations. We draw on interaction ritual chain and social movement theories, and use evidence from the field of modernist architecture, to formulate a model of how networks of very strong ties generate (...) motivations and emotional enthusiasm, change reputations, and form collective movements that over time transform the structure of cultural fields. Because major aesthetic innovations break sharply with older styles, they need very strong group solidarity over a long period of time to propagate a new standard of practice. We propose mutual halo effects, i.e., the reciprocal reinforcement of upstream and downstream prestige on a given individual node, as the key factor accounting for success in a cultural production field. We discuss the relevance of these results for building a model of influence and innovation in cultural production fields in which networks—reshaped by shifting technological, political, and economic conditions—trigger new styles. (shrink)

This paper has two sections: first, I am going to analyze two criteria to differentiate between argumentation and formal demonstration. According to Perelman (Perelman & Olbrechts-Tyteca, 1989) argumentation is based on persuasion, and that is the reason why argumentation is polysemic, ambiguous; on the other hand, it is said that argumentation depends on the additional information that someone gives to us, while demonstration does not depend to the additional information. I will show that no criteria invoked to justify the disctintion (...) between demostration and argumentation is kept. In the second section I will show that persuasion is not necessarily associated to the speech act of argumentation, in the same way that the atempt of convincing is not necessarily associated with the act of asserting something. Thus, someone cannot use persuasion to define the argumentative exercise. (shrink)

In this paper I will present a visual method that I have created to demonstrate the validity of propositional arguments and predicates, based on the traditional Venn diagrams. This idea was born after becoming aware of how useful visual methods are in other scientific fields, such as geometrical representations of arithmetic and algebraic concepts. This method illustrates the relationship between propositional logic, predicate logic and set theory, and it can be used to explain linguistic semantic concepts such as synonymy, antonymy, (...) hyponymy, entailment, and lexical substitution. (shrink)

Mit dem Untertitel »Streitfragen« bringt dieser Band 44 der Fichte-Studien eine Gruppe von Beiträgen, die das Hauptthema »Fichte und seine Zeit« behandeln und es aus unterschiedlichen Gesichtspunkten entfalten.

Dieser Band ist in vier Teile gegliedert, die dem theoretischen, praktischen und politischen Gedanken des Philosophen gewidmet sind. Diesen folgen im vierten Teil Beiträge, die Fichtes philosophische Ansätze in den Dialog mit gegenwärtigen Autoren und Fragen der Philosophie bringen.

Die 38 im Jahre 1811 vorgetragen Vorlesungen über die Wissenschaftslehre sind eine vollkommene und besonders gut artikulierte Darstellung Fichtes Systems in der Zeit seiner Tätigkeit an der neu gegründeten Universität zu Berlin. Der Öffentlichkeit sind sie erst 1999 bekannt geworden, als sie in der_J. G. Fichte Gesamtausgabe_ der Bayerischen Akademie der Wissenschaften aufgenommen wurden, denn bis dahin wurden sie von den jeweiligen Editoren des Fichte-Nachlasses nie erwähnt. Fichte nimmt in dieser Darstellung seines Systems gegen beide Formen des Nihilismus Stellung - (...) den theoretischen sowie den mit diesem zusammenhängenden praktischen. Um seine systematische Position formulieren und vertreten zu können, setzt er sich vor allem mit Spinoza und Kant nochmals auseinander. Spinoza stellt nämlich nach Fichte die Grundfrage der Philosophie, wie neben dem Sein auch ein Dasein denkbar sein kann, während Kant ihm im Begriff der Erscheinung den Weg zu ihrer Lösung aufzeigt. Aber zwei weitere Probleme ergeben sich für Fichte aus der kritischen Philosophie Kants: wie kann man das Bewußtsein beschreiben, wenn man sich nicht aus seinem Zirkel bewegen kann, und wie kann man die in dieser Beschreibung faktisch entdeckte Ursprünglichkeit der Synthesis rechtfertigen? Für Fichte hatte der Begründer der Transzendentalphilosophie die grundlegende synthetische Tätigkeit des Bewußtseins nur noch als ein Faktum des Bewußtseins angenommen. Der Beweis ihrer Möglichkeit ist nach Fichte letztlich nur zu führen, indem man sie auf eine Erscheinungsform der Freiheit als Inbegriff Gottes zurückführt. Diesen Beweisgang versteht nun Fichte als Vervollständigung des transzendentalphilosophischen Programms und zugleich als Mittel, um aus dem Wissen in die Weisheit überzugehen. (shrink)

Depth perception -- The difference is in the SQ -- What's the problem? -- The gift that keeps on giving -- Turning a blind eye -- Faith by any other name -- Hope springs eternal -- Can a smart person believe in God? -- What's your SQ? -- Key to the SQ test.

En estas páginas se reúnen tres trabajos elaborados en diferentes fechas, pero estrechamente interrelacionados bajo la intención global de aportar algunos elementos a la evaluación de las opciones metodológicas y epistemológicas en el campo de la investigación en Ciencias Sociales. Esos tres escritos nacen de la preocupación por los riesgos a que se ven expuestos los procesos de producción de conocimientos en el área social, sobre todo si consideramos que, dadas ciertas circunstancias del debate epistemológico actual, casi a diario aparecen (...) ofertas bajo la con?signa del nuevo paradigma o del paradigma emergente. Ante estas ofertas suele ocurrir que unos se muestran entusiasmados y otros incrédulos, pero muy pocos, relativamente, se dedican a evaluarlas. Así, sin evaluar las distintas opciones, la investigación social podría llegar a extremos de li?bertinaje académico, inoperancia y descrédito, incumpliendo de ese modo con el delicado compromiso que tienen los investigadores -tesistas, tuto?res y profesores- con respecto a las necesidades de la sociedad actual. En general, el supuesto inicial más importante aquí es que no pode?mos asumir ciegamente una determinada oferta metodológica y epistemo?lógica, por atractiva que parezca, si previamente no la sometemos a una crítica dura, desinteresada y honesta. Bajo esos términos, tomando en cuenta el predominio y la creciente influencia que han llegado a ejercer las propuestas del «paradigma emergente» sobre noveles investigadores sin que éstos dispongan de un cuerpo amplio de contrargumentaciones y señalamientos divergentes, los trabajos aquí presentados se orientan a deslindar aspectos que parecen significativos para una crítica severa y puntual. Esto es aun más urgente si consideramos que, apartando el caso de muchos investigadores respetables y serios que trabajan bajo la óptica del paradigma emergente, recientemente han pululado las posiciones anárqui?cas y descabelladas que también se declaran bajo esa misma óptica. Y, según parece, es aquí donde late un importante peligro para la investiga?ción social. Esperamos que de los trabajos aquí recogidos puedan también deducirse esas diferencias. (shrink)

What ethical framework should be used as a basis for teaching business ethics? Should business ethics be taught by ethicists in a separate course, by business faculty in business courses, or perhaps by both? These are some of the issues this paper will address. The paper begins with a review of the literature concerning approaches to teaching business ethics. Next, some ethical frameworks for teaching business ethics are considered. Finally, the paper proposes that students should apply their own personal values (...) to business ethical issues in the classroom, thus providing future business leaders with a process for resolving ethical dilemmas. (shrink)

On September 19th, 2005, an Spanish blogger wrote a post against blog nets. In that post he showed a kierkegaardian interpretation of blogging issue. It was the first time someone was using strictly philosophical categories in the blogosphere. On 2006, February, the 23rd, Rafael Herrera Guillén made a philosophical dramatization about this issue in a game of heteronyms.

Una aproximación a la concepción viquiana del Derecho Romano que, desde la "soledad" vivida por el filósofo napolitano, asume como modo original de afrontar el derecho una poética jurídica y la búsqueda de una lengua articulada universal .An approach to Vico's conception of Roman Law that, from the "loneliness" of the napolitan philosopher, assumes juridical poetics as an original way of facing law, and the search of an articulated universal language.