According to kin selection theory, indirect reproductive advantages may induce individuals to care for others with whom they share genes by common descent, and the amount of care, including self-sacrifice, will increase with the proportion of genes shared. Twins represent a natural situation in which this hypothesis can be tested. Twin pairs experience the same early environment because they were born and raised at the same time and in the same family but their genetic relatedness differs depending on zygosity. We (...) compared the degree of willingness to fight and sacrifice for the co-twin among monozygotic and dizygotic pairs in a sample of 1443 same-sex and opposite-sex twins. We also analyzed the effect of the subject’s gender and that of the co-twin on those altruistic behaviors. Results partly supported the postulated explanation. MZ twins were significantly more likely than DZ twins to self-sacrifice for their co-twins, but zygosity did not affect willingness to fight for him/her. The genders of the subject and of the co-twin, not genetic relatedness, were the best predictors of aggressive altruistic intentions. (shrink)

According to kin selection theory, indirect reproductive advantages may induce individuals to care for others with whom they share genes by common descent, and the amount of care, including self-sacrifice, will increase with the proportion of genes shared. Twins represent a natural situation in which this hypothesis can be tested. Twin pairs experience the same early environment because they were born and raised at the same time and in the same family but their genetic relatedness differs depending on zygosity. We (...) compared the degree of willingness to fight and sacrifice for the co-twin among monozygotic and dizygotic pairs in a sample of 1443 same-sex and opposite-sex twins. We also analyzed the effect of the subject’s gender and that of the co-twin on those altruistic behaviors. Results partly supported the postulated explanation. MZ twins were significantly more likely than DZ twins to self-sacrifice for their co-twins, but zygosity did not affect willingness to fight for him/her. The genders of the subject and of the co-twin, not genetic relatedness, were the best predictors of aggressive altruistic intentions. (shrink)

Se presenta en este trabajo la doctrina de la šafā‘a, esto es, la intercesión escatológica del Profeta por su comunidad, desde la perspectiva de los nuevos vínculos de cohesión social de la sociedad religiosa instaurada por el islam que sustituían a la aṣabiyya tribal, constituyéndose la šafā‘a en el colofón y broche final de esos nuevos vínculos. Tras estudiar dicha doctrina se constata la seguridad de la salvación final que ofrece, elemento valiosísimo de cohesión social, y se destaca la exclusividad (...) de la šafā‘a para solo el musulmán a través de la comparación de La disputa entre los animales y el hombre de los Ijwān al-Ṣafā’ con La disputa de l’ase de Turmeda y a través de la verdadera causa de la muerte de al-Ḥallāŷ según al-Rūmī. Hay, sin embargo, una excepción a esa exclusividad ya que existen musulmanes que quedan excluidos de la šafā‘a. Son estos, los herejes, quienes con la divulgación de sus nuevas doctrinas ponen en peligro la unidad y la cohesión de la comunidad. Se termina sugiriendo el posible calco de esta doctrina islámica en la devoción a la intercesión de la Virgen, pues la devoción mariana que con tanta fuerza irrumpe en el Occidente cristiano a partir del siglo XII, y que aparece reflejado en la Cantigas de Alfonso X el Sabio y en los Milagros de Nuestra Señora de Gonzalo de Berceo, es un fenómeno cuyo origen es todavía discutido. (shrink)

The colonial model imposed in Cuba by the creole oligarchy and the cabinet in Madrid. Thwarted every possibility of an economy diversificied development and doonet the isle to a story where the slavery supergroning production with all its social and political implications prevailed. This system, that implied a crisis in itself, was absolutely artificial: it was a creator of richness for a very small group, and of course, it was unable to correct the tremendous condetions thas implied. The system hastered (...) in the underdevelopment and in the independency to Cuba at the same time that morgatet its future as a nation. (shrink)

This study analyses Spinoza’s Tractatus theologico politicus from the point of view of the confrontation between revealed Scripture and philosophy, and links it with the history of this confrontation in Maimonides and the Arab philosophers, highlighting similarities and differences. The three key points of the analysis are the following: Salvation through philosophy; Salvation through religion; and the guarantor of Salvation: political power.

Los falāsifa no se mantuvieron tan imparciales en el tema de la Šu‛ūbiyya como sugiere Goldziher, pues, al menos, en el caso del médico y filósofo al-Rāzī ataca éste el núcleo más genuinamente árabe al polemizar contra la ‛arabiyya, adab, zarf, naḥw, ši‛r... y al situar por encima de las ciencias filológicas árabes a las ciencias filosofico-científicas características del Helenismo. Por ello puede considerarse este ataque de Al-Rāzī como un capítulo más de la polémica de la Šu‛übiyya. Todo esto lo (...) expone al-Rāzī en el capítulo cinco de su tratado Fī l-ṭibb al-rūḥānī, que es el que se presenta y traduce en este trabajo. (shrink)

The nature of Spinoza’s third kind of knowledge still remains a matter of discussion as it has not been clarified yet. This paper offers a comparison between this knowledge in Spinoza and the superior knowledge to the rational discursive knowledge that Ibn Ṭufayl puts forward in his work translated in 1671 with the title Philosophus autodidactus, a work that Spinoza knew and recommended to his friends. Since this type of knowledge in Ibn Ṭufayl is a kind of rationalization of the (...) mystic experience, and given that Spinoza highly esteemed this work by Ibn Ṭufayl, we could infer from these two hints how the nature of Spinoza’s third kind of knowledge should be understood. (shrink)

The confrontation between Philosophy and Sufism —as systematized by Algazel— as a means for acquiring human knowledge and happiness, provoked differing reactions among Andalusian philosophers: Avempace totally denied the claims of the sufis and declared Philosophy as the only adequate study for achieving complete satisfaction in all human potentialities. Ibn Ṭufayl undertook the Sufi path within his philosophy, combining the ecstasy searched for the sufis with Plotinian ecstasy. Averroes recognized the validity of the Sufi path, but only for the few. (...) He believed that the only normal and accesible path for the intelligent man was Philosophy. The experience of ecstasy is not contemplated in his philosophy. The synthesis of Philosophy and Sufism developed by Ibn Ṭufayl had no continuity in the western Islamic world. Philosophy being finally eliminated from the intellectual horizon by Sufism, a phenomenon which is perfectly apreciable in Ibn Khaldūn. (shrink)

Quantitative study of the effects of war in the Cuban population. Analysis of the demographic variables used as source of the "Report on the Census of Cuba of 1899", lifted by the American government. It includes graphics about the number and evolution of the births, inarriages and deaths in Cuba by provinces, and the natural grohth in the Island. It is demonstrated a demographic disaster associated to war, with the death of 200.000 souls approximately.

En este trabajo, después de contrastar la opinión de Kant y Aristóteles sobre la responsabilidad y la libertad ante la coacción, y tras unas sucintas consideraciones sobre el tema de la libertad en el pensamiento islámico, se pasa revista a lo que sobre la coacción han dicho los pensadores más representativos del área islámica clásica. Estos pensadores son, ante todo, los mutakallimíes, los “teólogos” del islam, distinguiéndose entre ellos un grupo, los muʿtazilíes, que son los que han dado mayor entrada (...) a la razón en sus especulaciones, y entre estos destacan los análisis de ‘Abd al-Jabbâr que es el autor que más se ha ocupado de este asunto. Finalmente se contrasta la opinión de este autor con las de al-Bâqillânî y Algazel, cuya solución es muy próxima a la de Kant. Sigue un breve Apéndice para ilustrar la cuestión tratada a través de las reflexiones de Semprun y Améry sobre su experiencia de la coacción sufrida. (shrink)

Technoscience is increasingly present in our daily lives, establishing new social rules and patterns of communication and interaction in a physical space, which implements electronic devices and telematic systems in its design. In the race for scientific progress, the goal is making man a God, like Nietzsche’s Superman, without determining how the new human morphology will be fitted. This paradigm is treated by artists who warn of the possible fate of humanity while the technoscientific, as if he or she was (...) Prometheus, dares to defy the laws of nature. Art exposes the actual course of science, and some artists complain that the false promises of scientific discourse, which is dominated by male vision, fail to be aware of the impossibility that technology is going to improve the moral dimension of human being. Some artists say that the science sermon does not deal with humanity and that the building of our future is merely phallocentric, an excessive anthropocentric vision. (shrink)

The Coronavirus Disease 2019 pandemic, now a global health crisis, has surprised health authorities around the world. Recent studies suggest that the measures taken to curb the spread of the COVID-19 outbreak have generated issues throughout the population. Thus, it is necessary to establish and identify the possible risk factors related to the psychosocial and psychophysiological strain during the COVID-19 outbreak. The present extensive literature review assesses the social, psychological, and physiological consequences of COVID-19, reviewing the impact of quarantine measures, (...) isolation, vast human loss, social and financial consequences in the family’s economies, and its impact on the psychological health of the population. We also discussed the effect of psychophysiological factors, considering the impact of physical inactivity and modifications in nutritional habits, at psychological and physiological levels. The present review includes an actualized to date bibliography, articles for which were methodologically analyzed to verify they met the standards of quality and scientific accuracy. Authors understand the pandemic as a multifactorial event for which only a profound and extensive analysis would lead to better compression and efficient intervention in the near future. (shrink)

We have identified a sample of 53 societies outside of the classical Himalayan and Marquesean area that permit polyandrous unions. Our goal is to broadly describe the demographic, social, marital, and economic characteristics of these societies and to evaluate some hypotheses of the causes of polyandry. We demonstrate that although polyandry is rare it is not as rare as commonly believed, is found worldwide, and is most common in egalitarian societies. We also argue that polyandry likely existed during early human (...) history and should be examined from an evolutionary perspective. Our analysis reveals that it may be a predictable response to a high operational sex ratio favoring males and may also be a response to high rates of male mortality and, possibly, male absenteeism. Other factors may contribute, but our within-polyandry sample limits analysis. (shrink)

Big Ideas for Little Kids includes everything a teacher, a parent, or a college student needs to teach philosophy to elementary school children from picture books. Written in a clear and accessible style, the book explains why it is important to allow young children access to philosophy during primary-school education. Wartenberg also gives advice on how to construct a "learner-centered" classroom, in which children discuss philosophical issues with one another as they respond to open-ended questions by saying whether they agree (...) or disagree with what others have said. (shrink)

The aim of this study is to explore how nurses perceive patient participations of patients over 75 years old undergoing hemodialysis treatment in dialysis units, and of their next of kin. Ten nurses told stories about what happened in the dialysis units. These stories were analyzed with critical discourse analysis. Three discursive practices are found: (1) the nurses’ power and control; (2) sharing power with the patient; and (3) transferring power to the next of kin. The first and the predominant (...) discursive practice can be explained with an ideology of paternalism, in which the nurses used biomedical explanations and the ethical principle of benefice to justify their actions. The second can be explained with an ideology of participation, in which the nurses used ethical narratives as a way to let the patients participate in the treatment. The third seemed to involve autonomous decision-making and the ethical principle of autonomy for the next of kin in the difficult end-of-life decisions. (shrink)

Los falasifa no se mantuvieron tan imparciales en el tema de la Su`ubiyya como sugiere Goldziher, pues, al menos, en el caso del médico y filósofo al-Razi (m. 932?) ataca éste el núcleo más genuinamente árabe al polemizar contra la `arabiyya, adab, zarf, nahw, si`r... y al situar por encima de las ciencias filológicas árabes a las ciencias filosófico-científicas características del Helenismo. Por ello puede considerarse este ataque de al-Razi como un capítulo más de la polémica de la Su`ubiyya. Todo (...) esto lo expone al-Razi en el capítulo cinco de su tratado Fi l-tibb al-ruhani, que es el que se presenta y traduce en este trabajo. (shrink)

Estudio del termino sakina en su evolucion postcoranica en el que se muestra, en primer lugar, lo que la investigacion ha dicho sobre el, para, a continuacion, presentar, traducir y analizar cinco textos pertenecientes al ambito islamico y al filosofico en donde aparece dicho termino y que no habian sido tenidos en cuenta hasta ahora. Estos textos proceden de: Ibn Habib, al-Tawhidi, traduccion arabe de los Versos aureos, y Comentarios de Jamblico y de Proclo a estos Versos aureos. La sakina (...) coranica evoluciona en estos autores pasando a connotar una pacificacion en los animales violentos en Ibn Habib y un estado cercano a la divinidad de caracteres proximos al de los sufies en al-Tawhidi, mientras que en los Versos aureos se emplea sakina para traducir daim.n, con sus efectos de eliminacion de los males originados por la discordia innata a los hombres. En los Comentarios a los Versos aureos se dan explicaciones, de corte religioso y racionalista a la vez, de dicho termino. (shrink)

В статье философия характеризуется на основе дискурсной парадигмы анализа: как текст, интеллектуальная деятельность и коммуникация. Характеризуются два равнозначных аспекта философского дискурса - когнитивный и коммуникативный. Обсуждается феномен философских контроверз, специфика философского спора, выразительные (знаковые) средства философского дискурса, роль мировоззренческого дискурса в современной общественно-политической ситуации в стране.