El 28 de junio de 2002, en la UNAM, se iniciaron diversas actividades academicas con las que se rindio una serie de homenajes nacionales e internacionales al filosofo mexicano mas universal, Leopoldo Zea, para celebrar sus 60 anos de labor academica y por haber llegado a sus fecundos 90 anos de vida. El presente volumen recoge los textos escritos con motivo de dichos homenajes.

In their paper 'After-birth abortion: why should the baby live?' Alberto Giubilini and Francesca Minerva argue that because there are no significant differences between a fetus and a neonate, in that neither possess sufficiently robust mental traits to qualify as persons, a neonate may be justifiably killed for any reason that also justifies abortion. To further emphasise their view that a newly born infant is more on a par with a fetus rather than a more developed baby, Giubilini and Minerva (...) elect to call this 'after-birth abortion' rather than infanticide. In this paper, I argue that their thesis is incorrect, and that the moral permissibility of abortion does not entail the moral permissibility of 'after-birth' abortion. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:Defending a Phenomenological–Behavioral Perspective: Culture, Behavior, and ExperienceMarino Pérez-Álvarez (bio), José M. García-Montes (bio), Adolfo J. Cangas (bio), and Louis A. Sass (bio)KeywordsBehavior, contextual phenomenology, culture, experienceWe should like to express our sincere thanks to all the authors for their commentaries on our articles. Given the restrictions of space (a limitation they too had to contend with), we can only respond to a few aspects of their interesting (...) remarks. We shall reply of course on the basis of our own approach—an approach that sets out to integrate culture, behavior, and experience, and that might be termed contextual phenomenology, phenomenological behaviorism, or perhaps most accurately (albeit more awkwardly), the phenomenological–behavioral perspective.In her commentary, Ibáñez-Guerra (2008), referring to the target articles “Phenomenology and behaviorism” (Pérez-Álvarez, Sass, and Cangas 2008) and “The role of superstition in psychopathology” (García-Montes et al. 2008), wonders whether our maintaining of the spirit of Skinner, as well as our recourse to phenomenology, might not themselves represent forms of superstitious behavior. She points out that it is not always a good idea to put new wine in old barrels. For her, the new wine and new barrels would be represented by social constructivism, of which she is reminded by some aspects of our work. But in making her own case, Ibáñez-Guerra (2008) reveals certain common prejudices concerning behaviorism, prejudices that have apparently persisted even after reading our article. Thus, for example, she does not see operant behavior as incorporating intentionality (what, in the target article, is presented in terms of final causality), because she assumes that intentionality would necessarily imply a mentalist and dualist notion involving a supposed internal mental entity that causes behavior. Skinner (1974) himself noted and rejected this very assumption in a passage that clearly distinguishes his own approach from what he calls a “stimulus-response formula”: “Possibly no charge,” he wrote,is more often leveled against behaviorism or a science of behavior than that it cannot deal with purpose or intention. A stimulus-response formula has no answer, but operant behavior is the very field of purpose and [End Page 281] intention. By its nature it is directed toward the future: a person acts in order that something will happen, and the order is temporal.(pp. 55–6)The place Skinner gives to intentionality and purpose is elaborated in our target article.Furthermore, Ibáñez-Guerra (2008) assumes that, on methodological grounds, Skinner rejects all that is not observable, or at least that cannot be operationalized. This, however, is simply incorrect, at least as regards Skinner’s radical behaviorism. As the reader may recall, radical (as opposed to methodological) behaviorism is neither operationalist nor does it reject private or subjective events because of their unobservability. Indeed, Skinner specifically acknowledges that such events are in fact observable—at least for one person: the subject him- or herself. The question for Skinner is to understand how the part of the world that is only observable and experiential for oneself is constructed or formed. In the end, it turns out that radical behaviorism is more radical, in the Aristotelian ontological sense (see Pérez-Alvarez, Sass, and García-Montes 2008), than post-modern constructionism. Indeed, as we remarked, radical behaviorism can still surprise us today. Similarly, phenomenology is starting to be missed in the clinical context (Andreasen 2007). We believe that radical behaviorism and phenomenology, mutually readjusted, are in fact excellent wines for the times we live in—if only we knew how to appreciate them.In their commentary on “Phenomenology and behaviorism: A mutual readjustment,” Fletcher and Hayes (2008) argue that the philosophy and theory of Acceptance and Commitment Therapy (ACT)/Relational Frame Theory (RFT) already contain the salutary aspects of phenomenology that we highlight in our target article. Their insistence on reducing the affinities we find between phenomenology and behaviorism to ACT/RFT consists, in our view, in a scientific–technical argument that is more scientistic than strictly philosophical in nature. Their insistence on the scientific–technical argument itself implies an unclarified philosophical assumption. On what grounds do experimental data constitute the last word? Has... (shrink)

This paper has a double purpose: firstly, to assess the importance of seiðr magic rituals and of its practitioners within the social and mythological framework of Old norse-icelandic Literature. Secondly, by means of the analysis of certain scenes in The Saga of Gísli Súrsson, i aim to demonstrate that the inclusion of magic-religious motifs in the Sagas of icelanders has a triple objective: to provide a model to help understand apparently inexplicable phenomena, to intensify the tragic tone of the plot (...) and finally to depict those involved in the performance of seiðr in a very negative light. (shrink)

There are philosophers who deny that causal relations actually exist in nature, arguing that they are merely a product of our perspective as beings capable of intentional actions. In this paper I briefly explain this thesis and consider that it needs to be complemented with a basic non-causal ontological perspective whichcan account for phenomena taken as causal; I then describe what seems to be a good candidate for such an ontology and finally conclude, however, that it cannot dispense with the (...) concept of causation and that therefore is not the kind of ontology that anti-realism about causal relations requires.Hay filósofos que niegan la existencia de relaciones causales en la naturaleza argumentando que no son sino producto de nuestra perspectiva como seres capaces de acciones intencionales. En este artículo expongo brevemente esta tesis y sostengo que debe contar con el complemento de una ontología no causal básica que dé razón de los fenómenos que se consideran causales. Luego describo lo que parece ser una buena candidata para tal ontología y concluyo que, sin embargo, ésta no puede prescindir del concepto de causalidad y que, por tanto, no es el tipo de ontología que necesita la mencionada tesis antirrealista respecto a la causalidad. (shrink)

ABSTRACT: In the present text, we are going to introduce a series of notes without excessive pretensions. In these pages, we will try to study figures like Cabet, Fourier or Saint - Simon, and we will do so in order to achieve better understanding concerning their own historical and their own intellectual context. Consequently and leaving our papers on Robert Owen behind, we plan to set special emphasis on the European Continent now. In a special way, we raise awareness on (...) the very significant role that these "utopian socialists" played between modernity and industrial modernity, and also between the 18th and 19th Centuries. Key words: Christianity, Modernity, Industrialism, Utopian Socialism, Socialism, Rationality, History. (shrink)

ABSTRACT: In this text, we are going to try to introduce a few brief notes - without excessive pretensions -, concerning those things that, from a historical and also from an intellectual and point of view, surround the figures of Robert Owen, Fourier or Saint Simon. Certainly, intellectually, our sources do not let us notice a very specific influence on the "utopian socialists" of the 19th Century. It will be very difficult to find historical evidence. However, what we can do (...) is to assume the French Revolution of 1789 as a turning point for the radical traditions, both British and Continental, to introduce Romanticism as the real source from which the utopian nineteenth-century thought was derived from. Then, Romanticism is where we will be able to read something about Robert Owen. Likewise, we will approach a very succinct reading of paleo-socialism, focusing on the context of the British Islands where the Industrial Revolution took place to become another great event in the lifetime of the "utopian socialists". Key words: Christianity, Modernity, Industrialism, Utopian Socialism, Socialism, Rationality, History. (shrink)

Empirical research on Rational Choice Theory has brought up two focus of the economics laws problem. On one hand, we find the authors who state that the neoclassical economics laws are explanatory and predictive on specific cases: in transparent contexts in which the standard rationality operates successfully. On the other hand, we find the authors who state that the descriptive theories of the rational choice opens up a research path in which fundamental principles of the neoclassical building could be questioned. (...) Both view points have generated an important standard Rational Choice Theory revision what has produced the so called descriptive view point. It implies understanding that most of the choices take place under risky or uncertainty conditions and, that, these choices are far more complex than the normative Rational Choice Theory supposes. This article's main goal is to expand the descriptive point of view in rational choice, theorizing how some factors, coming from the social and cultural environment, operate within the rational choice. Into space of this research essay we find the debatable question of whether these sort of proposals expands the explanation of the deviation of the rational choice normative theory, and that, of the disturbing causes of the microeconomics laws, or they call into question fundamental principles of these laws and therefore they are opening the possibility to focus some economics issues in a new different manner. (shrink)

Electrical brain activity modulation in terms of changes in its intensity and spatial distribution is a function of age and task demand. However, the dynamics of brain modulation is unknown when it depends on external factors such as training. The aim of this research is to verify the effect of deductive reasoning training on the modulation in the brain activity of healthy younger and older adults ( (mean age of 21 ± 3.39) and (mean age of 68.92 ± 5.72)). The (...) analysis reveals the benefits of training, showing that it lowers cerebral activation while increasing the number of correct responses in the trained reasoning task (). The brain source generators were identified by time-averaging low-resolution brain electromagnetic tomography (sLORETA) current density images. In both groups, a bilateral overactivation associated with the task and not with age was identified. However, while the profile of bilateral activation in younger adults was symmetrical in anterior areas, in the older ones, the profile was located asymmetrically in anterior and posterior areas. Consequently, bilaterality may be a marker of how the brain adapts to maintain cognitive function in demanding tasks in both age groups. However, the differential bilateral locations across age groups indicate that the tendency to brain modulation is determined by age. (shrink)

El actor está ubicado en el centro de la representación teatral. Encarna al ser que es y al ser imaginario. El espectador del teatro observa, mientras es alentado a fundirse en la imagen teatral, derribando los límites que separan a uno del otro. Estos hallazgos han sido logrados por V. E. Meyerhold desde la teoría de la Biomecánica y por Eugenio Barba desde la Antropología Teatral. El siguiente artículo propone la vigencia de una visión que aproxima y entrecruza a estos (...) dos teóricos y directores teatrales. (shrink)

El artículo muestra ei papel que jugó la radio en Colombia desde el momento de su aparición en el escenario social, su papel educativo y sus vínculos con el desarrollo industrial, con la configuración de las ciudades y com la necesidad de formar una identidad nacional. Hace énfasis en la forma corno desde allí se cuestionó la educación formal irnpartida desde la escuela y en la aparición de un nuevo paradigma para la educación, relacionado con el surgimento de la sociedad (...) de masas. Desde entonces la educación seria un asunto social que trascendía la edad de los escolares y se debía proyectar a toda la población. (shrink)

Kant plantea el problema de las parejas incongruentes en 1768, posteriormente en 1770 y 1783. Este problema, relacionado con su concepción acerca de la naturaleza del espacio, se vincula también con su idea sobre la naturaleza del conocimiento geométrico. Mi objetivo en este texto es analizar las observaciones de Kant sobre este punto--tres de las cuales son, a nuestro juicio, de suma relevancia--a partir de la geometría sólida euclidiana, la que constituye precisamente el marco teórico en el cual él pretende (...) que ellas incidan. /// The question concerning the incongruent counterparts is raised by Kant in 1768, but it is also discussed later in 1770 and 1783. This question, which is related to his conception about the nature of space, is also closely related to his ideas about the nature of geometric knowledge. My aim in this paper is to analyze Kant's remarks on this topic--three of these remarks seem particularly relevant to us--in view of Euclidean solid geometry, which constitutes precisely the theoretic and scientific frame where he pretended they should fit. (shrink)

After showing the semiotic and social nature of cultural sciences, this paper addresses the efforts to naturalize them following the so-called “Universal Darwinism”. This being settled, three initiatives of different depth and scope are analyzed. First, the proposal displayed by Mesoudi, Whiten, and Laland for the unification of the cultural sciences in parallel with the unification of biological sciences on the basis of the principles of variation, inheritance, and selection. Second, memetics as a theory of cultural selection with memes as (...) its basic units and imitation as the process of cultural transmission. Third, Hodgson’s and Knudsen’s program for an evolutionary economics brought forth by the interpretation of an abstract Darwinian ontology in terms of economic theory. The conclusion drawn is that the issue is still to a good extent open to ongoing research. (shrink)

Este trabajo esboza una forma de justificar el principio estructurador central de una teoría veritista de la evaluación epistémica, en respuesta a críticas planteadas por Eleonora Cresto a mi defensa del veritismo frente a una serie de objeciones en el sentido de que no es capaz de explicar la naturaleza y el valor del entendimiento. La primera sección presenta el esbozo de justificación del núcleo de una teoría veritista; la segunda responde a críticas más específicas de Cresto. This paper sketches (...) a way to justify the central tenet of a veritistic theory of epistemic evaluation, in response to problems raised by Eleonora Cresto concerning my defense of veritism, against a series of objetions to the effect that veritistic epistemology is uncapable of explaining the nature and value of understanding. The first section presents the sketch of justification of the nucleus of a veritistic theory, the second responds to some of Cresto's more specific criticisms. (shrink)