This study investigated the influence of mothers' occupation on children's upbringing in the Udenu Local Government Area in Enugu State. Specifically, the study aimed to determine the feeding, clothing, academic, and health practices adopted by mothers in Enugu State. The study utilized a survey research design, focusing on the Udenu Local Government Area. A sample of three hundred respondents was used, and data was collected through questionnaires. The instrument was face validated by experts from the Department of Home Economics and (...) Hospitality Management Education at the University of Nigeria Nsukka. To ensure reliability, a trial testing was conducted, resulting in a Cronbach alpha reliability estimate of 0.87. Data analysis involved frequency count and percentages. The findings revealed limited mother care in terms of children's feeding, clothing, health, and academic upbringing, which was attributed to the negative influence of the mothers' occupation. Recommendations were made to enhance children's upbringing, including an increase in maternity leave to allow mothers to spend quality time with their children. (shrink)

-/- Did the US president who signed the order to use the atomic bomb stain his hands with blood or just ink? Are there cases in which a war is just? In such cases, is any war justifiable? Is ending the life of a terminally ill person different from murder? Do we need to agree on the definition of the embryo as a 'person' to know whether any action on the embryo is prohibited? Is the prohibition of contraception justified even (...) if it is perfectly legitimate to plan births? Anscombe, taking up Wittgenstein, Aristotle and Thomas Aquinas, elaborates a theory of action that places "intention" at the centre, an alternative to the conception of action dominant since Descartes. On this basis, he conducts an indictment against the superficiality of modern moral philosophy, lumping together the Oxford philosophers, utilitarianism and Kantian ethics. And finally, she puts her virtue ethics to work on problems of applied ethics: in the field of public ethics, the just war; in the field of bioethics, questions of the end of life and the beginning of life. This book, edited by Sergio Cremaschi, brings together Anscombe's contributions on ethical issues, allowing for the first time a comprehensive overview of this decisive figure's contribution to twentieth-century philosophy. (shrink)

Is a social complex identical to many united people or is it a group entity in addition to the people? For specificity, I will assume that a social complex is a plural subject in Margaret Gilbert’s sense. By appeal to my theory of Aspects, according to which there can be qualitative difference without numerical difference, I give an answer that is a middle way between metaphysical individualism and metaphysical holism. This answer will enable answers to two additional metaphysical questions: (...) (i) how can two social complexes have all the same members and (ii) how can there be a social complex of social complexes? (shrink)

Margaret Atwood and David Suzuki are two of the most prominent Canadian public ‎intellectuals ‎involved in the global warming debate. They both argue that anthropogenic global ‎warming is ‎occurring, warn against its grave consequences, and urge governments and the ‎public to take ‎immediate, decisive, extensive, and profound measures to prevent it. They differ, ‎however, in the ‎reasons and evidence they provide in support of their position. While Suzuki ‎stresses the scientific ‎evidence in favour of the global warming theory and (...) the scientific ‎consensus around it, Atwood is ‎suspicious of the objectivity of science, and draws on an ‎idiosyncratic neo-Malthusian theory of ‎human development. Their implicit views ‎about the cognitive authority of science may be ‎identified with Critical Contextual Empiricism ‎and Feminist Standpoint Epistemology, respectively, ‎both of which face difficulties with ‎providing solid grounds for the position they advocate.‎ ‎. (shrink)

DIFERENCIAÇÃO SEXUAL -/- Emanuel Isaque Cordeiro da Silva Instituto Agronômico de Pernambuco Embrapa Semiárido -/- • _____OBJETIVO -/- Os estudantes de Veterinária e de Zootecnia estão ligados à disciplina Reprodução Animal, um pelos mecanismos fisiológicos para evitar e tratar as possíveis patologias do trato reprodutivo dos animais domésticos, e outro para o entendimento dos processos fisiológicos visando o manejo reprodutivo e a procriação para a formação de um plantel geneticamente melhorado. Sendo assim, a finalidade do presente trabalho é apresentar os (...) mecanismos que regulam as diferenças sobre o desenvolvimento embrionário relativos à diferenciação e determinação sexual de machos e fêmeas, que também incluem o desenvolvimento dos órgãos envolvidos na reprodução e a origem das diferenças entre ambos os sexos. -/- •____INTRODUÇÃO -/- Os organismos que se reproduzem sexualmente são descendentes de organismos ao qual não existia a diferenciação sexual. Em algum momento da evolução surgiu a reprodução sexual como um mecanismo para incrementar a diversidade genética e facilitar a troca de informações genéticas mediante o material genético da fêmea com o do macho. Devido sua origem comum, na maioria das espécies, tanto os machos como as fêmeas possuem todos os genes necessários para desenvolverem-se em qualquer dos sexos. O que efetivamente faz diferença entre os sexos é a forma e a ordem ao qual se expressam os genes durante o processo de desenvolvimento. A diferenciação sexual é regulada principalmente por mecanismos epigenéticos, mais do que as diferenças genéticas de grande magnitude entre os sexos. Todo o controle epigenético de qualquer processo de desenvolvimento depende basicamente de uma série de expressões gênicas, através da qual a expressão de certa combinação de genes resulta na presença de determinadas proteínas, conhecidas como os fatores de transcrição, que induzem ou reprimem a expressão de outro(os) gene(es), a partir dos quais se produzem novas proteínas, que em certos casos também atuam como fatores de transcrição para outros genes, e assim sucessivamente. Logo, a expressão ou falta de expressão de um gene ao início da série pode resultar em um ladrão totalmente diferente da expressão de outros genes subsequentes, o que pode ocasionar profundas mudanças no processo de desenvolvimento e até a mutações indesejáveis. O padrão predeterminado de expressões gênica relativo a diferenciação sexual na maioria das espécies tanto domésticas quanto selvagens, leva ao desenvolvimento de um dos sexos (o padrão predeterminado dos mamíferos é o sexo feminino). Em consequência, a diferenciação faz com que um indivíduo do sexo oposto exija a expressão de um gene de determinação sexual que desvie a subsequente série de expressões gênica em direção ao dito sexo. Nos mamíferos, a expressão do gene SRY, localizado no cromossomo Y (e portanto ausente nas fêmeas), redige o padrão de diferenciação sexual de sua via pré-estabelecida feminina em direção ao padrão masculino. A existência de uma única diferença genética (presença do gene SRY nos machos e ausentes nas fêmeas), vai se amplificando e termina resultando no desenvolvimento de indivíduos diferentes entre si. Esse é um mecanismo de diferenciação sexual cromossômica. O primeiro passo de uma série de diferenciação sexual, em sentido estrito, não depende nem requer necessariamente a presença de um gene diferente em algum dos sexos. O gene “disparador” da diferenciação sexual pode estar presente em todos os embriões, porém pode expressar-se somente em algum deles, devido a fatores ambientais que formam parte da sua regulação epigenética, isto é, uma determinação sexual ambiental. Em algumas espécies de tartarugas ou de lagartos a expressão ou falta de expressão do gene “disparador”, por exemplo, depende da temperatura existente durante a incubação dos ovos, pelo qual alguns embriões desenvolvem-se como machos e outros como fêmeas, apesar de não existir diferença genética entre eles, simplesmente como consequência da temperatura: a determinação sexual depende da temperatura a que cada um deles foi submetido durante a incubação. Em certas espécies as temperaturas mais elevadas facilitam o desenvolvimento de fêmeas e outras de machos, enquanto que em outras espécies as temperaturas amenas (intermediárias) resultam em machos, e as inferiores como as superiores induzem o desenvolvimento de fêmeas. A existência dessa diversidade indica que a temperatura por si mesma não é a que induz ou a que provoca o desenvolvimento do macho e da fêmea, senão a que atua somente como um regulador inicial da diferenciação sexual. Em outras espécies o fator ambiental que regula a determinação sexual pode ser distinto. A densidade populacional, por exemplo, pode atuar como um regulador. Podemos concluir que a determinação sexual dependente da temperatura ou de outros fatores ambientais estabelece-se antes da determinação sexual cromossômica, a qual evoluiu depois como um método que oferece maior certeza e resultado, já que a proporção de machos e fêmeas não é afetada por mudanças ambientais ou de hábitat. -/- •___FORMAÇÃO INICIAL DA GÔNADA -/- Basicamente em todos os embriões, inicialmente se formam as chamadas gônadas indiferenciadas (com o potencial de desenvolver-se em ovários ou testículos) a partir da invasão das cristas genitais pelas células germinais primordiais, que migram desde seu local de origem no epiblasto, perto do lugar onde o saco vitelino se une com o intestino primitivo e que chegam até às cristas genitais que são engrossamentos de tecido situados na região mesonéfrica do embrião. A migração das células germinais primordiais ocorre muito cedo sobre o processo de desenvolvimento do embrião (dia 26 nos bovinos). Ao chegas as cristas genitais, as células germinativas proliferam-se e se organizam com as células somáticas já existentes nas cristas para ir formando a gônada (figura 1). Para regular essa remodelação e conformação adequada da gônada vários genes se expressam, como o OCT-4 (que aparentemente mantém a totipotencialidade da gônada), assim como o SF-1 (Fator esteroidogênico 1) e o WT-1 (gene associado ao tumor de Wilms). Esses dois últimos genes estimulam a proliferação celular e estabelecimento dos cordões sexuais. Nessa etapa inicial do desenvolvimento todos esses genes se expressam sem distinção de sexo, pelo que a gônada em formação mantém a capacidade de se diferenciar em testículo ou em ovário. -/- Figura 1: migração das células germinais primordiais em direção a crista gonodal. Diferenciação das gônadas femininas e masculinas. Fonte: ZARCO, 2018. -/- •___SEXO CROMOSSÔMICO -/- Têm-se observado que nos mamíferos a determinação sexual depende diretamente dos cromossomos. As fêmeas possuem dois cromossomos sexuais X (um contribuído do óvulo e o outro por um espermatozoide “X”). Os machos, por sua vez, possuem um cromossomo sexual X(proveniente do óvulo) e um cromossomo sexual Y, que provém de um espermatozoide “Y” (figura 2). A metade dos espermatozoides produzidos por um macho são X e a metade Y, isso porque durante a espermatogênese a divisão meiótica provoca que a partir de cada espermatócito primário, célula diploide que por pertencer a um indivíduo macho tem um cromossomo X e um Y, se originem das espermátides haploides a cada um das que eles tocam cromossomos X, e outras espermátides haploides as que eles tocam os cromossomos Y. Dessa forma, de acordo com o tipo do espermatozoide que fertilize o ovócito, se originará um indivíduo com cariótipo feminino “XX” ou um cariótipo masculino “XY” (figura 2). Esse processo é conhecido como sexo cromossômico, ao qual se determina o momento da fertilização. Figura 2: nos mamíferos todos os óvulos produzidos pelas fêmeas possuem um cromossomo sexual X. A metade dos espermatozoides produzidos pelos machos possuem um cromossomo X e a outra metade possui um cromossomo Y. Dependendo do cromossomo presente no espermatozoide que fertilize o óvulo pode-se gerar um indivíduo XX (fêmea) ou um XY (macho). Fonte: ZARCO, 2018. -/- O cromossomo “Y” é uma “invenção” relativamente recente na história da evolução das espécies e do estudo da genética. Surgiu a partir de uma mutação de um cromossomo “X”, que resultou na perda de um de seus braços, que é por onde se originou a morfologia do cromossomo Y. A maioria dos genes presentes no cromossomo Y também existem no cromossomo X; assim mesmo somente alguns genes do cromossomo Y foram evoluídos até ser diferentes dos genes do cromossomo X. Embora os machos possuam um cromossomo que não está presente nas fêmeas, esse mesmo cromossomo não aporta toda a informação genética original. Todos os genes existentes nas fêmeas estão também presentes nos dos machos, já que eles também possuem um cromossomo X. Uma particularidade do cromossomo Y, ao existir somente uma cópia nos machos, é que ele sofre um entrecruzamento com um cromossomo análogo durante o processo de meiose, pelo que o cromossomo Y de um macho é idêntico ao de seu progenitor e ao de seus descendentes, exceto no caso em que ocorra uma mutação espontânea. Em contraste, os cromossomos X das fêmeas (um proveniente do pai e outro da mãe) se entrecruzam durante a meiose, por onde cada óvulo produzido pela fêmea terá uma combinação de alelos distinta em seu cromossomo X. Ao estudar as diferenças presentes na sequência de DNA do cromossomo Y, é possível identificar a distância filogenética entre os indivíduos (quanto mais diferenças existirem entre os cromossomos significa que seu ancestral comum está mais longe). Algo análogo ocorre com o DNA das mitocôndrias, que sempre são aportados pela mãe e nunca sofrem recombinação genética. Gene SRY -/- Um dos poucos genes do cromossomo Y que não possuem correspondência com o cromossomo X é o gene SRY (Sex-determining Region of the Y chromossome – região do cromossomo Y determinante do sexo). Esse gene se expressa somente na gônada em formação nos embriões machos, em particular em células precursoras das células de Sertoli; ele codifica uma proteína da família SOX (SRY-like Box) que é uma família formada por proteínas que possuem um domínio de união ao DNA e que atuam como fatores de transcrição. Ao produzir-se a proteína SRY nas células precursoras das células de Sertoli estimula-se a expressão (transcrição) de outro gene análogo, denominado SOX-9 que, por sua vez, atua como um fator de transcrição que ativa a expressão de outros genes, como o FGF-9 (Fibroblast Growth Factor-9), ou seja ele é o estimulante de ativação dos demais. Os produtos dos genes SOX-9 e FGF-9 iniciam uma cascata de expressões que provocam a diferenciação das células de suporte da gônada indiferenciada (crista genital) em células de Sertoli. Em seguida, essas células dirigem a diferenciação das células intersticiais da crista genital em células de Leydig, o que finalmente resulta na formação de um testículo. Outro dos efeitos da proteína codificada por SOX-9 é um estímulo maior da expressão de seu próprio gene, pelo qual é produzido um ciclo de retroalimentação positiva que favorece a continuidade do processo de formação testicular. Como nos embriões da fêmea não existe o gene SRY, a gônada indiferenciada não é estimulada para expressar os genes SOX-9 nem o FGF-9 nas células de suporte (que nesse caso serão precursoras de células da granulosa). A gônada, em mudança, expressa em forma constitutiva, isto é, sem a necessidade de estimulação, outra cascata de genes que incluem o WNT4 (Wingless-integration Factor 4) e o RAPO1 (Respondina-1), que por sua vez iniciam uma cascata de expressão gênica, a qual provoca a diferenciação das células somáticas da gônada indiferenciada para formação das células da granulosa e células da teca, esse feito conduz, por sua vez, a formação de um ovário. No embrião macho a proteína SOX-9 inibe a expressão dos genes WNT4 e RSPO-1, pelo que a presença do gene SRY, e portanto de SOX-9, inibem a formação de um ovário ao mesmo tempo que estimulam a formação do testículo (figura 3). Em suma, se o embrião possui genótipo XY (um embrião macho), o gene SRY começa a expressar-se sobre as células precursoras da gônada imediatamente depois da formação da mesma, quando os cordões sexuais primários estão se desenvolvendo na medula. A expressão do gene, assim como a presença subsequente das proteínas SOX-9 e FGF-9 estimula a distinção das células de Sertoli e que se organizem os tubos seminíferos a partir dos cordões sexuais primários. Em contrapartida, em um embrião com genótipo XX (fêmea) não existe o gene SRY, pelo qual é impossível que se elevem os níveis das proteínas SOX-9 e FGF-9 e as células precursoras não se diferenciam em células de Sertoli, e portanto os cordões sexuais primários sofrem regressão. Depois de alguns dias, começam a organizar-se os cordões sexuais secundários e as células precursoras iniciam a expressão do gene WNT4, o que leva as mesmas a diferenciar-se em células da granulosa, que serão a base para a conformação dos folículos ovarianos. Se em um embrião XY, macho, a expressão do gene SRY demora, é formada um ovo-testículo devido a que algumas das células somáticas das cristas gonodais começam a expressar o gene WNT4, e a diferenciar-se em células da granulosa, enquanto que em outras a proteína SRY chega a tempo para dirigir a diferenciação para formação das células de Sertoli. No ovário em formação é expressado um gene denominado DAX-1 (Dosage-sensitive Sex Reversal). Esse gene, localizado no cromossomo X, codifica uma proteína que é um membro da família dos receptores nucleares ao que lhe falta o domínio de união ao DNA, pelo que parece atuar no bloqueio de diversos fatores de transcrição, entre os que se encontra o SRY. Como a proteína DAX-1 impede a ação da proteína SRY, um excesso de expressão do gene DAX-1 pode provocar a feminilização gonodal de indivíduos XY, macho, embora tenham SRY. Em condições normais, a expressão adequada do gene DAX-1 não é capaz de evitar a masculinização gonodal de embriões com o gene SRY, daqui o nome de reversão sexual dependente da dose. Figura 3: série de expressão gênica para a determinação gonodal. SRY (Região do cromossomo Y determinante do sexo), SOX-9 (SRY-like Box-9), FGF-9 (Fator de crescimento de fibroblastos-9), WNT4 (Wingless-integration Factor-4), RSPO-1 (Respondina-1). Uma vez que o SRY induz a expressão de SOX-9 na gônada masculina, inicia-se um processo de feedback positivo mediante o qual os níveis de expressão de SOX-9 e FGF-9 vão aumentando, ao mesmo tempo que inibem a expressão de WNT-4 e RSPO-1. Na gônada feminina não se expressam SRY, SOX-9 e nem FGF-9, o que permite que se expressem os genes WNT-4 e RSPO-1, que iniciam uma cascata de sinalização que dirige a formação de um ovário. Fonte: ZARCO, 2018. -/- • ___DIFERENCIAÇÃO SEXUAL DOS GENITAIS -/- Uma vez que se formam os testículos, todo o desenvolvimento subsequente dos órgãos e as características “masculinas” em lugar das femininas é em consequência dos hormônios produzidos pelos testículos em formação, incluindo os andrógenos e o hormônio inibidor dos ductos de Müller. Mediante a ausência de testículos todo o desenvolvimento dos órgãos genitais internos e externos segue um padrão feminino, sem levar em conta se estão presentes os ovários; o que significa a ausência de hormônios gonodais determina que o embrião se desenvolva como fêmea, uma vez que não requerem hormônios ovarianos para desencadear o padrão feminino. Por sua vez, as gônadas masculinas (os testículos), produzem substâncias que desviam o desenvolvimento em direção ao padrão masculino. Sob etapas relativamente rápidas da diferenciação todos os embriões possuem dois pares de dutos sexuais, os dutos de Wolff ou mesonéfricos e os dutos de Müller ou paramesonéfricos (figura 4). A testosterona secretada pelos testículos do feto macho em desenvolvimento atua sobre os dutos de Wolff, o que induz a formação posterior dos dutos deferentes, do epidídimo e das glândulas seminais (figura 4). Figura 4: formação dos órgãos genitais internos a partir dos dutos de Wolff no macho e dos dutos de Müller na fêmea. Fonte: ZARCO, 2018. -/- Os testículos produzem ao mesmo tempo, uma glicoproteína chamada Hormônio Inibidor dos Dutos de Müller (Müllerian Inhibiting Hormone, MIH, também chamado de Anti-Müllerian Hormone, AMH); como o seu nome indica, inibe o desenvolvimento dos dutos de Müller ou paramesonéfricos, provocando sua regressão, que impede a formação dos órgãos genitais característicos da fêmea como os ovidutos, o útero, a cérvix e a porção cranial da vagina (figura 4). O MIH é uma glicoproteína da família dos fatores de crescimento transformativo β (TGFβ). O gene MIH possui locais de união para os produtos dos genes SOX-9 e SF-1, pelo que a presença simultânea de ambos fatores de transcrição é necessária para a secreção do MIH e leva a cabo sua função de iniciação dos dutos de Müller sobre o embrião macho (vale lembrar que nessa etapa tanto a gônada de embriões machos como de embriões fêmeas expressam o gene SF-1, mas somente o macho expressa o SOX-9, para que unicamente esse último produza MIH). O certo é que na gônada do embrião fêmea não se produzem quantidades importantes da proteína SOX-9, além de que se produz a proteína DAX-1, mesma que antagoniza tanto a SOX-9 como a SF-1, todo o qual impede a produção de MIH e resulta no desenvolvimento dos dutos de Müller até a formação dos ovidutos, útero, cérvix e a porção cranial da vagina (figura 4). Assim, na fêmea, ao não haver testículos não circulam concentrações elevadas de andrógenos, o que impedirá o desenvolvimento dos dutos de Wolff, enquanto que os dutos de Müller se desenvolvem já que não haverá a presença do MIH para impedi-lo. O desenvolvimento dos genitais internos e externos femininos não requerem a presença de nenhum hormônio ovariano o que levará a cabo de maneira predeterminada (ou pré-estabelecida) na ausência de testículos. Outra estrutura interna que também se desenvolve de forma distinta nos machos e nas fêmeas é o seio urogenital, que no embrião macho é estimulado pela testosterona para formação da próstata, das glândulas bulbouretrais e da uretra peniana, enquanto que na fêmea forma a porção caudal da vagina. A respeito dos órgãos genitais externos (figura 5), nos embriões de ambos os sexos existem estruturas precursoras chamadas de tubérculo genital e pregas vestibulares. Na fêmea o tubérculo genital da origem ao clitóris e as pregas vestibulares dão origem aos lábios vulvares sem a necessidade da atuação de hormônios ovarianos, já que o padrão “por via pré-estabelecida” é feminino. Em contrapartida, no macho, tanto o tubérculo genital quanto as pregas vestibulares respondem ao hormônio 5α-dehidro-testosterona (DHT), ao qual se formam as células da pele da zona genital a partir da testosterona que é secretada pelos testículos. Para isso existem nas células a enzima 5α-reductasa, que transforma a testosterona em DHT. Uma vez formada, a DHT atua sobre as pregas vestibulares do embrião macho para que se fusionem e formem o escroto (em lugar dos lábios vulvares), e sobre o tubérculo genital para formar o pênis (em lugar do clitóris). Figura 5: estruturas que se desenvolvem nos embriões de cada sexo a partir do seio urogenital, o tubérculo genital e as pregas vestibulares. A cor do né de cada estrutura final corresponde com a cor do nome da estrutura a partir da qual se originou. Fonte: ZARCO, 2018. -/- • ___DIFERENCIAÇÃO SEXUAL DO SISTEMA NERVOSO -/- Existem inúmeras diferenças funcionais entre o sistema nervoso da fêmeas e o do machos, em humanos podem incluir diferenças tão complexas como a maior capacidade de verbal da mulher ou a maior capacidade de orientação espacial do homem. Nessa parte será abordada aquelas diferenças que influenciam diretamente sobre a função reprodutiva, como as diferenças na regulação da secreção de gonadotropinas ou as diferenças na capacidade de comportamento sexual masculino ou feminino. É necessário lembrar que, apesar de que essas diferenças se originem durante um período crítico da vida fetal ou neonatal (dependendo da espécie), geralmente se fazem presentes até que o animal chegue a vida adulta e demonstre obter ou não a capacidade para se comportar como macho ou como fêmea uma vez que é exposto aos hormônios sexuais que são secretada depois da puberdade. Igualmente aos processos acima citados, podemos afirmar que nos mamíferos o padrão pré-estabelecido de comportamento sexual e de secreção de gonadotropinas é o feminino. Se durante os primeiros dias de vida neonatal uma rata fêmea não é exposta a nenhum hormônio gonodal, ao chegar a vida adulta ela terá a capacidade de se comportar como fêmea na presença de estrógenos, assim como de secretar um pico pré-ovulatório de GnRH/LH em resposta aos mesmos (figura 6). Essa rata, portanto, não poderá se comportar como macho embora que em sua vida adulta seja exposta a testosterona. O sistema nervoso do rato macho recém-nascido que é exposto aos andrógenos produzidos pelos testículos, em detrimento, faz com que adquiram o potencial para se comportar como machos em sua vida adulta e que perdem o potencial para ter conduta de fêmeas na presença e/ou administração de estrógenos (processo conhecido como desfeminização do SNC). Se por meios de experimentos injetamos testosterona em uma rata fêmea recém-nascida, essa rata não poderá se comportar como fêmea em sua vida adulta, e passará a se comportar como macho. A castração neonatal de um rato (visando evitar a exposição de seu SNC a andrógenos testiculares), assim mesmo, resultará em sua vida adulta um padrão feminino (SNC feminizado e não masculinizado). O hipotálamo das ratas adultas possui uma área em que o número, características e densidade dos corpos neurais difere em machos e fêmeas, essa área é denominada como “núcleo sexualmente dimórfico do hipotálamo”, e tem demonstrado que quando as ratas são tratadas com testosterona na vida neonatal, a morfologia de seu núcleo sexualmente dimórfico será masculinizado em sua vida adulta, enquanto que a castração neonatal de ratos resulta em um núcleo sexualmente dimórfico feminizado em sua vida adulta. Isso significa que a exposição ou não a testosterona na vida neonatal é o que determina que tipo de núcleo sexualmente dimórfico se desenvolverá, o que por sua vez está relacionado com o tipo de conduta que o animal poderá expressar em sua vida adulta. Não deixa de ser um paradoxo que ao injetar uma dose elevada de estrógenos nos primeiros dias de vida de uma rata, os núcleos sexualmente dimórficos da mesma se desenvolverão como macho e em sua vida adulta seu potencial de conduta estará masculinizado e desfeminizado. O hormônio “feminino” conhecido como estradiol, masculiniza o hipotálamo e a conduta do animal. Logo, se a rata neonatal for exposta a injeção de andrógeno não-aromatizado (que não pode ser transformado em estrógenos pelas células) ela não se masculiniza. A masculinização e desfeminização dos ratos ou das ratas tratados com testosterona, na realidade, não são provocados pela própria testosterona, senão pelos estrógenos que se formam dentro dos neurônios quando absorvem a testosterona do sangue e a aromatizam para transformá-la em estrógenos (figura 6). Figura 6: desfeminização e masculinização do sistema nervoso central por meio da testosterona, que quando não absorvida pela α-fetoproteína pode entrar nos neurônios, onde se aromatizam para serem transformados em estrógenos, hormônio que é responsável pela desfeminização. Fonte: ZARCO, 2018. Por que as ratas, que possuem ovários funcionalmente produtores de estrógenos, não se masculinizam? A resposta está em uma proteína denominada α-fetoproteína que circula em altas concentrações nos fetos e nos recém-nascidos. Essa proteína possui a capacidade de unir-se aos estrógenos, ao qual impede seu entrada nas células. Os ratos, em desenvolvimento, produzem testosterona, no entanto não possui afinidade pela α-fetoproteína, o que permite com que ela circule livremente. Ao chegar ao SNC, a testosterona (que não foi absorvida) pode entrar nos neurônios e dentro deles se aromatizam e transformam-se em estrógenos, que finalmente masculinizam o SNC. A diferenciação sexual do hipotálamo depende, em síntese, da presença ou ausência dos testículos, o que permite que se produza ou não o hormônio testosterona que pode não ser absorvida por parte da α-fetoproteína, transformar-se em estrógenos e masculinizar o SNC. -/- •___CONCLUSÃO -/- Nos mamíferos todo o processo que se requerem para o desenvolvimento de um macho depende da existência de somente um gene do cromossomo Y, o gene SRY; a ausência desse gene resulta no desenvolvimento de uma fêmea. A presença ou ausência do gene SRY determina, então, a cadeia de eventos morfogênicos que ocorrerá em sua expressão ou não, para desenvolver todos os órgãos e características de um macho ou de uma fêmea. Por essa razão, os indivíduos com uma monossomia XOA (síndrome de Turner) são fêmeas (por não possuir o cromossomo Y nem o gene SRY), enquanto que os indivíduos triploides XXY (síndrome de Kleinefelter) são machos embora possuam dois cromossomos X. Em algumas espécies, no entanto, têm-se identificado machos que são cromossomicamente XX; nesses casos é determinado invariavelmente que por ser um erro durante a meiose a região do cromossomo Y em que reside o gene SRY tem sido transloucada ao cromossomo X. Da mesma forma, em alguns casos tem sido encontrado fêmeas com cariótipo XY; que nelas se identifica uma mutação inabilitante do gene SRY. Isso demonstra experimentalmente que por meio da engenharia genética é possível produzir machos com cariótipo XY mas com o gene SRY eliminado (knockout). Como é de se esperar, esses machos desenvolvem ovários e todos seus órgãos genitais, tanto internos quanto externos, e se desenvolvem como fêmeas. Os machos cromossomicamente XX transgênicos aos que se insertam uma cópia do gene SRY, desenvolvem testículos e um fenótipo masculino, embora sejam estéreis por causa da ausência de alguns genes do cromossomo Y que são necessários para a realização de uma espermatogênese normal. As falhas nos mecanismos de diferenciação sexual podem, diretamente, ocasionar anormalidades como as observadas nas bezerras Freemartin, que são bezerras originadas de uma gestação gemelar em que seu gêmeo era macho. O que sucede é que na espécie bovina, quando há uma gestação gemelar, é produzido um certo grau de anastomose entre as placentas dos fetos, o que permite a troca de sangue e de células entre ambos. Os produtos recebem, então, algumas células de seu gêmeos, que encontram seu lugar no órgão correspondente e se integram a ele. No caso particular das gônadas, quando o ovário primitivo de um embrião fêmea é colonizado por algumas células gonodais de seu gêmeo macho, essas células expressam o gene SRY, o que fará com que essa região da gônada se diferencie como testículo. Como resultado, se desenvolve um ovo-testículo (com maior ou menor proporção de tecido testicular dependendo do grau de colonização da gônada em formação por células provenientes do gêmeo macho). Ademais, ao haver certa quantidade de tecido testicular produtor de MIH, circularão sobre o feto fêmea níveis desse hormônio que, embora baixos, afetarão o desenvolvimento normal dos dutos de Müller, fazendo com que as bezerras Freemartin possuam genitálias internas ausentes ou pouco desenvolvidas. Os andrógenos produzidos pelas zonas de tecido testicular, por fim, são suficientes para causar um certo grau de masculinização, que se manifesta como um clitóris mais grande que o normal ou um desenvolvimento corporal masculinizado. -/- REFERÊNCIAS BIBLIOGRÁFICAS -/- ARNOLD, Arthur P.; CHEN, Xuqi; ITOH, Yuichiro. What a difference an X or Y makes: sex chromosomes, gene dose, and epigenetics in sexual differentiation. In: Sex and gender differences in pharmacology. Springer, Berlin, Heidelberg, 2013. p. 67-88. CUNNINGHAM, James. Tratado de fisiologia veterinária. Elsevier Health Sciences, 2011. DERIVAUX, Jules; BARNABÉ, Renato Campanarut. Reprodução dos animais domésticos. Zaragoza: Acribia, 1980. DA SILVA, Emanuel Isaque Cordeiro. Desenvolvimento Embrionário e Diferenciação Sexual nos Animais Domésticos. Disponível em:. Acesso em: Julho de 2020. HAFEZ, Elsayed Saad Eldin; HAFEZ, Bahaa. Reprodução animal. São Paulo: Manole, 2004. HIDALGO, C. Galina et al. Reproducción de animales domésticos. México: Limusa, 2008. MACLAUGHLIN, David T.; DONAHOE, Patricia K. Sex determination and differentiation. New England Journal of Medicine, v. 350, n. 4, p. 367-378, 2004. MCCARTHY, Margaret M.; ARNOLD, Arthur P. Reframing sexual differentiation of the brain. Nature neuroscience, v. 14, n. 6, p. 677, 2011. PLANT, Tony M.; ZELEZNIK, Anthony J. (Ed.). Knobil and Neill's physiology of reproduction. Academic Press, 2014. REY, Rodolfo. Diferenciación sexual embrio-fetal: De las moléculas a la anatomía. Revista chilena de anatomía, v. 19, n. 1, p. 75-82, 2001. SENGER, P. L. Embryogenesis of the pituitary gland and male or female reproductive system. In. Pathways to Pregnancy and Parturition. Current Conception Inc, v. 1, p. 8-76, 1997. ZARCO, L. Diferenciación sexual. In. PORTA, L. R.; MEDRANO, J. H. H. Fisiología reproductiva de los animales domésticos. Cidade do México: FMVZ-UNAM, 2018. -/- REALIZAÇÃO -/- . (shrink)

This paper argues that, by construing emotion as epistemologically subversive, the Western tradition has tended to obscure the vital role of emotion in the construction of knowledge. The paper begins with an account of emotion that stresses its active, voluntary, and socially constructed aspects, and indicates how emotion is involved in evaluation and observation. It then moves on to show how the myth of dispassionate investigation has functioned historically to undermine the epistemic authority of women as well as other social (...) groups associated culturally with emotion. Finally, the paper sketches some ways in which the emotions of underclass groups, especially women, may contribute to the development of a critical social theory. (shrink)

The Rachels–Temkin spectrum arguments against the transitivity of better than involve good or bad experiences, lives, or outcomes that vary along multiple dimensions—e.g., duration and intensity of pleasure or pain. This paper presents variations on these arguments involving combinations of good and bad experiences, which have even more radical implications than the violation of transitivity. These variations force opponents of transitivity to conclude that something good is worse than something that isn’t good, on pain of rejecting the good altogether. That (...) is impossible, so we must reject the spectrum arguments. (shrink)

MARGARET LYNN SCHABAS (Toronto, 1954) is professor of philosophy at the University of British Columbia in Vancouver and served as the head of the Philosophy Department from 2004-2009. She has held professoriate positions at the University of Wisconsin-Madison and at York University, and has also taught as a visiting professor at Michigan State University, University of Colorado-Boulder, Harvard, CalTech, the Sorbonne, and the École Normale de Cachan. As the recipient of several fellowships, she has enjoyed visiting terms at Stanford, (...) Duke, MIT, Cambridge, the LSE, and the MPI-Berlin. In addition to her doctorate in the history and philosophy of science and technology (Toronto 1983), she holds a bachelor of science in music (oboe) and the philosophy of science (Indiana 1976), a master’s degree in the history and philosophy of science (Indiana 1977), and a master’s degree in economics (Michigan1985). -/- She has published four books and over forty articles or book chapters in science studies. Some of the journals in which her articles can be found are Isis, Monist, History of Political Economy, Public Affairs Quarterly, Daedaelus, Journal of Economic Perspectives, and Studies in the History and Philosophy of Science. Her first book, A world ruled by number (1990) examines the emergence of mathematical economics in the second half of the nineteenth century. Her second book, The natural origins of economics (2005), traces the transformation of economics from a natural to a social science. She also has two co-edited collections, Oeconomies in the age of Newton (2003), with Neil De Marchi, and David Hume’s political economy (2008), with Carl Wennerlind. She is currently writing a monograph on Hume’s economics, as well as articles on the history and philosophy of bioeconomics. She is currently president of the History of Economics Society. -/- EJPE interviewed Margaret Schabas at the University of British Columbia in March 2013. In this interview, she recounts her earliest foray into the history and philosophy of economics, the conceptual trade between economics and natural science, and her most recent undertaking: the history and philosophy of bioeconomics. (shrink)

Abstract: Artificial Intelligence (AI) has rapidly evolved, offering transformative capabilities for business decision-making. This paper explores how AI can be leveraged to enhance strategic decision-making in business contexts. It examines the integration of AI-driven analytics, predictive modeling, and automation to improve decision accuracy and operational efficiency. By analyzing current applications and case studies, the paper highlights the opportunities AI presents, including enhanced data insights, risk management, and personalized customer experiences. Additionally, it addresses the challenges businesses face in adopting AI, such (...) as data privacy concerns, integration issues, and the need for skilled personnel. The paper concludes with recommendations for effectively implementing AI solutions to maximize their benefits while navigating potential pitfalls. (shrink)

Twentieth century philosophers introduced the distinction between “objective rightness” and “subjective rightness” to achieve two primary goals. The first goal is to reduce the paradoxical tension between our judgments of (i) what is best for an agent to do in light of the actual circumstances in which she acts and (ii) what is wisest for her to do in light of her mistaken or uncertain beliefs about her circumstances. The second goal is to provide moral guidance to an agent who (...) may be uncertain about the circumstances in which she acts, and hence is unable to use her standard moral principle directly in deciding what to do. This paper distinguishes two important senses of “moral guidance”; proposes criteria of adequacy for accounts of subjective rightness; canvasses existing definitions for “subjective rightness”; finds them all deficient; and proposes a new and more successful account. It argues that each comprehensive moral theory must include multiple principles of subjective rightness to address the epistemic situations of the full range of moral decision-makers, and shows that accounts of subjective rightness formulated in terms of what it would reasonable for the agent to believe cannot provide that guidance. -/- . (shrink)

I argue that the three strongest arguments against metaphysical libertarianism—the randomness objection, the constitutive luck objection, and the physicalist objection—are actually unsuccessful and therefore that metaphysical libertarianism is more plausible than the common philosophical wisdom allows. My more positive thesis, what I will refer to as “Agent Exceptionalism,” is that, when making decisions and performing actions, human beings can indeed satisfy the four conditions of metaphysical libertarianism: the control condition, the rationality condition, the ultimacy condition, and the physicalism condition.

The paper argues that intensional phenomena can be explained without appealing to "exotic" entities: one that don't exist, are merely possible, or are essentially abstract.

The paper explores the methodology and goals of H. Odera Oruka’s sage philosophy project. Oruka interviewed wise persons who were mostly illiterate and from the rural areas of Kenya to show that a long tradition of critical thinking and philosophizing exists in Africa, even if there is no written record. His descriptions of the role of the academic philosopher turned interviewer varied, emphasizing their refraining from imposition of their own views (the social science model), their adding their own ideas (like (...) Plato), or their midwifery in helping others give birth to their own ideas (like Socrates). The accuracy and consistency of the various metaphors used by Oruka is the main focus of the article’s analysis. The article sums up the shortcomings of Oruka’s method as well as its strengths and concludes with Oruka’s challenge to academic philosophers to rethink their own roles in society. (shrink)

This paper raises two problems for plan-expressivism concerning normative judgments about non-corealizable actions: actions which cannot both be performed. First, plan-expressivists associate normative judgment with an attitude which satisfies a corealizability constraint, but this constraint is (in the interpersonal case) unwarranted, and (in the intrapersonal case) warranted only at the price of a contentious normative premise. Ayars (2022) holds that the pair of judgments ‘A should φ’ and ‘B should ψ’ is coherent only if one believes that A can φ (...) while B ψ’s. But this is false. Both Gibbard (2003) and Ayars hold that the pair of judgments ‘A should φ’ and ‘A should ψ’ is coherent only if one believes that A can φ and ψ. But this assumes possibilism. Second, the paper demonstrates, cases involving interpersonal non-corealizability prompt judgments about what multiple agents should do which – contra Gibbard – are not plausibly associated with any planning subject. (shrink)

In Who's Afraid of Idealism? the philosophical concept of idealism, the extent to which reality is mind-made, is examined in new light. Author Luis M. Augusto explores epistemological idealism, at the source of all other kinds of idealism, from the viewpoints of Immanuel Kant and Friedrich Nietzsche, two philosophers who spent a large part of their lives denigrating the very concept. Working from Kant and Nietzsche's viewpoints that idealism was a scandal to philosophy and the cause of nihilism, Augusto evaluates (...) these philosophers and their role in shaping epistemological idealism. Using textual evidence from their writings and their reactions to western philosophers such as Plato, Descartes, and Hegel, Who's Afraid of Idealism? argues that in fact Kant and Nietzsche were really idealists at heart. In accessible prose, this text puts forward a theory that goes against current scholarly opinion, and even Kant and Nietzsche's opinions of themselves. (shrink)

When so much is being written on conscious experience, it is past time to face the question whether experience happens that is not conscious of itself. The recognition that we and most other living things experience non-consciously has recently been firmly supported by experimental science, clinical studies, and theoretic investigations; the related if not identical philosophic notion of experience without a subject has a rich pedigree. Leaving aside the question of how experience could become conscious of itself, I aim here (...) to demonstrate that the terms experience and consciousness are not interchangeable. Experience is a notoriously difficult concept to pin down, but I see non-conscious experience as based mainly in momentary sensations, relational between bodies or systems, and probably common throughout the natural world. If this continuum of experience — from non-conscious, to conscious, to self-transcending awareness — can be understood and accepted, radical constructivism (the “outside” world as a construct of experience) will gain a firmer foundation, panexperientialism (a living universe) may gain credibility, and psi will find its medium. (shrink)

Matters of Certainty and Conviction. In the section on certainty, Shaw puts forth a proof of the external world, and considers topics such as change, difference, time, consciousness, substance and quality.

A comprehensible model is proposed aimed at an analysis of the reasons for theory change in science. According to the model the origins of scientific revolutions lie not in a clash of fundamental theories with facts, but of “old” fundamental theories with each other, leading to contradictions that can only be eliminated in a more general theory. The model is illustrated with reference to physics in the early 20th century, the three “old” theories in this case being Maxwellian electrodynamics, statistical (...) mechanics and thermodynamics. Modern example, referring to general relativity and quantum field theory fusion, is highlighted. Key words: Popper, Kuhn, Lakatos, Feyerabend, Stepin, Bransky,Mamchur, mature theory, structure, Einstein, Lorentz, , Boltzmann, Planck, Hawking, De Witt. (shrink)

In this paper, I explore a possible convergence between two great twentieth century thinkers, Nishida Kitarō of Japan and Martin Heidegger of Germany. The focus is on the quasi-religious language they employ in discussing the grounding of human existence in terms of an encompassing Wherein for our being. Heidegger speaks of “the sacred” and “the passing of the last god” that mark an empty clearing wherein all metaphysical absolutes or gods have withdrawn but are simultaneously indicative of an opening wherein (...) beings are given. Nishida speaks of “the religious” dimension in the depths of one's being, that he calls “place,” and that somehow envelops the world through its kenotic self-negation. In both we find reference to a kind of originary space—the open or place—associated with quasireligious themes. I also point to their distinct approaches to metaphysical language in their attempts to give voice to that abysmal thought. (shrink)

The purpose of this discussion is twofold. First, I want to shed some light on Kant's concept of personhood as rational agency, by situating it in the context of the first Critique's conception of the self as defined by its rational dispositions. I hope to suggest that this concept of personhood cannot be simply grafted onto an essentially Humean conception of the self that is inherently inimical to it, as I believe Rawls, Gewirth, and others have tried to do. Instead (...) I will try to show how deeply embedded this concept of personhood is in Kant's conception of the self as rationally unified consciousness. Second, I want to deploy this embedded concept of personhood as the basis for an analysis of the phenomenon of xenophobia. (shrink)

In this essay, I attempt to outline a feminist philosophical approach to the current debate concerning (allegedly) false memories of childhood sexual abuse. Bringing the voices of feminist philosophers to bear on this issue highlights the implicit and sometimes questionable epistemological, metaphysical, and ethical-political commitments of some therapists and scientists involved in these debates. It also illuminates some current debates in and about feminist philosophy.

A moral code consists of principles that assign moral status to individual actions – principles that evaluate acts as right or wrong, prohibited or obligatory, permissible or supererogatory. Many theorists have held that such principles must serve two distinct functions. On the one hand, they serve a theoretical function, insofar as they specify the characteristics in virtue of which acts possess their moral status. On the other hand, they serve a practical function, insofar as they provide an action-guide: a standard (...) by reference to which a person can choose which acts to perform and which not. Although the theoretical and practical functions of moral principles are closely linked, it is not at all obvious that what enables a principle to fill one of these roles automatically equips it to fill the other. In this paper I shall briefly examine some of the reasons why a moral principle might fail to fill its practical role, i.e., be incapable of guiding decisions. I shall then sketch three common responses to this kind of failure, and examine in some detail the adequacy of one of the most popular of these responses. (shrink)

This essay is divided into two parts, deeply intermingled. Part I examines not only the origin of conscious experience but also how it is possible to ask of our own consciousness how it came to be. Part II examines the origin of experience itself, which soon reveals itself as the ontological question of Being. The chief premise of Part I is that symbolic communion and the categorizations of language have enabled human organisms to distinguish between themselves as actually existing entities (...) and their own immediate experience of themselves and their world. This enables them to reflect upon abstract concepts, including “self,” “experience,” and “world.” Symbolic communication and conceptualization grow out of identification, the act of first observing conscious experiencing and intimating what it is like, mimesis, a gestural protolanguage learned through imitation, and reflection, seeing oneself through the eyes of others. The step into actual intentional speech is made through self-assertion, narrative, and intersubjectivity. These three become the spiral of human cultural development that includes not only the adaptive satisfaction of our biological needs, but also the creativity of thought. With the mental-conceptual separation of subject and object – of self and world – the human ability to witness the universe (and each other) is the ground of our genuinely human quality. Consciousness gives human life its distinctively human reality. It is, therefore, one and the same ability that enables us to shape planet Earth by means of conceptual representations (rather than by means of our hands alone) while also awakening us to the significance of being. -/- Looking beyond human self-consciousness to investigate the origin and nature of awareness itself in Part 2, reductive objective materialism is found to be of little use. Direct experience also falls short in that, in order to be transformed into objective knowledge about itself, it must always be interpreted through and limited by the symbolic contexts of culture and the idiosyncratic conceptualizations of the individual. Awareness-in-itself must thus be considered ultimately unexplainable, but this may more indicate its inexpressible transcendence of all symbolic qualifiers than its nonexistence. It is suggested that awareness is not “self-aware” (as in deity) but is instead unknowing yet identical with the only true universal: the impetus of creative unfolding. Our human knowledge, as an expression of this unfolding, is seen to emerge from our conscious experiencing and, in turn, to have the power – and enormous responsibility – of directing that experience. Our underlying symbolic worldviews are found to be autopoietic: They limit or open our conscious experience, which, in turn, confirms those worldview expectations. As we explore a future of unforeseeable technological breakthroughs on an ailing planet who patiently copes with our “success,” truly vital decisions about the nature, meaning, extent, and future of conscious experience will have to be made. (shrink)

In this paper I discuss the role of non-humans in Aquinas’ account of moral learning. I intend to show that the entire created order can play an important role in demonstrating to us the life of virtue, and argue that non-human exemplars offer important advantages to the moral learner. I begin by addressing apparent problems with this approach, founded on the observation that human virtue, for Aquinas, is unique to humans. I resolve these by showing that Aquinas’ approach to exemplars (...) is fundamentally analogical, meaning that exemplars point beyond themselves and need not necessarily live the good life to which they direct learners. I show that this means that Aquinas can use non-humans as moral exemplars and offer examples of him doing just that. Finally, I offer an assessment of the benefits of this approach. Among other things, it offers ethicists new ways to focus on particular virtues and provides a plausible way to include non-humans in the moral realm. (shrink)

This paper argues for a methodological point that bears on a relatively long-standing debate concerning collective beliefs in the sense elaborated by Margaret Gilbert: are they cases of belief or rather of acceptance? It is argued that epistemological accounts and distinctions developed in individual epistemology on the basis of considering the individual case are not necessarily applicable to the collective case or, more generally, uncritically to be adopted in collective epistemology.

Introduction Reza Davari Ardakni, the Iranian contemporary philosopher, distinguishes development from Western modernity; in that it considers modernity as natural and organic changes that Europe has gone through, but sees development as a planned design for implementing modernity in other countries. As a result, the closedness of development concerns only the developing countries, not Western modern ones. Davari emphasizes that the Western modernity has a universality that pertains to a unique reason and a unified world. The only way of thinking (...) in this world is a philosophical thought based on human self-centered reason, and given the pervasiveness of Western civilization. Therefore, Davari does not consider Westernization as mere imitation of Western customs and methods, but rather as a way of existence in the world. Westernization is a subjective view of the world and beings. Westernization is not optional, enabling non-Western people to avoid it. According to the Westernization scenario, the world today is entirely Westernized, and Davari considers Westernization as the inevitable fate of the people of this era, seeing two alternatives for them, both of which ultimately lead to the same destination, which is to embrace development; either they seize the power of science and technology and join the process of global modernization and participate in it, or they become subdued by this process and accept it without participation. Davari regards the first type of Westernization as active and the second type as passive. Problematique Therefore, underdevelopment is not a concept of the ancient world, nor even of a world between the ancient and the modern, or on the threshold of modernization. Underdevelopment is a condition of suspension and timelessness and being exposed to modernization. To escape the paradox of underdevelopment, which is the inevitable historical fate of non-modernized societies, Davari sees no way out other than embracing development. In other words, Westernized societies, which have become confused due to modernization, have no escape route other than turning to development. Therefore, some critics of Davari accuse the theory of Westernization of being a theoretical rupture. M. T. Tabatabaei, by rejecting the theoretical rupture in the theory of Westernization, believes that in the argument of Davari, we are only faced with a shift from a philosophical to an intellectual level. Tabatabaei, by avoiding providing a philosophical response to the critics of the theoretical rupture, believes that the introduction of active Westernization and collaboration in science and technology as a solution to escape from underdevelopment conditions, is only a shift from a philosophical level to an intellectual level and does not involve a rupture. Therefore, it seems that the philosophical issue of how or the possibility of escaping from underdevelopment conditions is still an open non answered problem. In this study, seeking a philosophical answer to this problem, an attempt has been made to summarize Davari's definitions of development, underdevelopment, participation in the world of science, and the role of humanities and social sciences in development, using his writings and speeches. It is proposed that a way to escape from the clesedness of development based on Davari's views, is to make use of analytical method with emphasizing on concepts and theories of the philosophy and metaphysics of science. Argument According to Davari, the social and human sciences that are responsible for development planning in underdeveloped societies must consider the characteristics of underdevelopment in order to facilitate the transition to more favorable conditions. Davari identifies the following conditions for successful development: 1) replacing tradition with science as the organizing and coordinating principle in society, 2) recognizing the universality of philosophy and science of the Western modernity and the impossibility of blindly imitation and adopting it, 3) inevitability of actively engaging and interacting with development, 4) recognizing the internal dynamics of scientific progress and avoiding authoritarian control, and 5) promoting free participation in the scientific paradigms. Therefore, Davari suggests the following steps towards development: 1) recognizing and understanding the problems of society and the local ecosystem, 2) understanding the philosophical and cultural foundations of Western civilization, 3) understanding the historical context and paradigms of science, 4) understanding the philosophical and metaphysical foundations of science, 5) recognizing the intellectual and philosophical capacities of our own community, and 6) reflecting our own philosophical and metaphysical assumptions in the scientific world in a way that is compatible with scientific methods. Given the motivations for change in science at both the global and national levels, including the emergence of heterodox or indigenous sciences, and the inevitable nature of development, Davari points to the possibility of a path between absolute rejecting or accepting the mainstream social and human sciences. However, this path is challenging and contingent upon the aforementioned conditions and steps of transition. Conclusion It is necessary to seek this path within the realm of the philosophy and metaphysics of science, particularly in the origins and foundations of the social and human sciences. Research in the metaphysics and philosophy of the social sciences provides the opportunity for active scientific engagement in the scientific paradigms and a reconsideration of the foundations of science, allowing for different philosophical foundations while are compatible with scientific methods. Successfully finding a path between absolute rejecting or accepting the existing social sciences will lead to an internal transformation within the field of science and, in fact, will advance the boundaries of knowledge. Therefore, it is possible, while adhering to the conditions of transition and actively participating in the world of science and technology, and accepting the unity of modernity and avoiding selectivity and imitation, to search for a way to overcome the closedness of development through a reconsideration of the philosophical and metaphysical foundations of science, while recognizing our own intellectual heritage and critically assessing Western science and technology. (shrink)

ABSTRACT The individual-community relationship has always been one of the most fundamental topics of social sciences. In sociology, this is known as the micro-macro relationship while in economics it refers to the processes, through which, individual actions lead to macroeconomic phenomena. Based on philosophical discourse and systems theory, many sociologists even use the term "emergence" in their understanding of micro-macro relationship, which refers to collective phenomena that are created by the cooperation of individuals, but cannot be reduced to individual actions. (...) "Emergence" theories attempt to explain the nature of society as a complex system by examining how individuals and their relationships lead to the creation of integrated and macro-social phenomena such as markets, educational systems, cultural beliefs, and shared social practices. As a prelude to activity, every researcher has to answer the question from the methodological point of view, how is it possible to study the behavior of social groups and how can we gain knowledge about the laws related to social groups? Anyone who deals with humanities and social sciences or any reality and phenomenon that affects human beings, inevitably deals with the reality that is emerging. In fact, emergence occurs when one level of reality emerges radically from another level. Examples of emergent levels of reality include how the mind emerges from the body; or the way society emerges from human beings. Therefore, when there is an emerging factor, different scientific disciplines should be used, because it is inevitable to talk about social affairs, psychology and neurobiology, as well as physical and even chemical. -/- INTRODUCTION Since its beginning in the 19th century, sociology has faced the fundamental question of what a social phenomena stands for? At a glance, sociologists deal with the study of social groups, collective behavior, institutions, social structures, social networks, and social dynamics, and ultimately all such phenomena are composed of individuals. Therefore, social phenomena seem to have no independent ontological status, and in this case, sociology is ultimately about reducible individuals. Different approaches about the micro-macro relationship, using the concept of "emergence", argue that although collective phenomena are created by individuals, they cannot be reduced to individual action. The term "emergence" is used to distinguish "emergent results" from " Procedural results". Results are called Procedural that can only be calculated by adding or subtracting the causes that act together. On the contrary, they are emergent outcomes that are qualitatively novel compared to the causes from which they originate. An example of such emergent results is mental characteristics that emerge from neural processes, but are not considered among the characteristics of neural processes of components - which are their origin. Philosophical debates about emergentism and reductionism focus on the mind-brain relationship, but as many philosophers have noted, they can be generalized to apply to any hierarchical set of features. The cognitive revolution reactivated a 19th century controversy between theorists of Identity and dualism. The theorists of Identity believe in reductionist materialism and elimination of metaphysics, according to which the mind is nothing more than the biological, while the dualists believe that the mind and the brain are distinct from each other. Emergence has been considered as a third way between the theories of Identity and dualism. -/- METHODOLOGY Interdisciplinarity Is fundamentally indicated by the dominance of open systems as well as social and emerging systems at different levels. Therefore, as long as we are facing a new emergentism, there will necessarily be different fields and an interdisciplinary method. The commonality of social sciences and cognitive sciences on the issue of emergence provides the possibility of interaction and exchange of concepts between these two for deeper research. Therefore, in this research, apart from the concepts of Subvenience and downward causation, we have used multiple realization and wildly disjunctive, which are used to explain the emerging concept in cognitive sciences, including neurobiology, psychology, and philosophy. For analytical and interdisciplinary approaches, after examining the concepts of subvenience, and wildly disjunctive, Individualistic and collectivist emergentism have been reviewed. And then their adequacy is criticized and evaluated in meeting strong emergence conditions. -/- FINDINGS Philosophers of the mind have been able to define the conditions of irreducibility and downward causation, which are essential for strong emergence, by using the principle of subvenience with the help of multiple realization and wildly disjunctive principles. Therefore, by definition, emergentist individualism suffers from the problem of how to explain downward causality and irreducibility, and emergentist collectivism faces the challenge of reification. The analysis of the challenges facing the two methodological approaches of individualism and collectivism leads us to three unresolved issues about the emerging phenomenon, which are realism, downward causality, and mechanism. Despite the differences in the stances of these two approaches regarding the aforementioned triple problems, individualists and collectivists both agree that some social characteristics are reducible; and some others are irreducible due to their complexity, the determination of which, depends on the case study of the mechanism of emergence of each social characteristic. -/- CONCLUSION An emergence that is consistent with reductionism is called a weak emergence. And strong emergence includes the principle of irreducibility and downward causality. According to strong emergence, the characteristics of social phenomena have downward causal power, which cannot be reduced to the causal forces. The principle of subvenience, together with multiple realization and wildly disjunctive, can provide the conditions of irreducibility and downward causality, which are essential conditions of strong emergence. Based on the philosophical analysis of two methodological approaches, individualist and collectivist, it can be concluded that emergentist individualism suffers from the problem of how to explain downward causality and irreducibility, and reification collectivism faces the challenge of reification. The analysis of the problems faced by these two approaches leads us to three unresolved issues, which are realism, downward causality, and mechanism. individualist emergentists acknowledge the existence of emergent social characteristics, but despite this, they believe that these characteristics are not real but merely analytical constructs that require explanation based on individuals and their mutual actions. But collectivists argue that emergentism yields a categorical ontology and supports social realism. They accept the dependence of social characteristics on individuals, but claim that social entities and structures are ontologically independent. Individualists and collectivists both agree that some social characteristics are reducible; and others are irreducible due to their complexity; and the only way to recognize this is to engage in empirical studies of the mechanisms and temporal processes of "emergence" that create social characteristics. -/- NOVELTY The newness of this compact article is as follows: a) Presenting an interdisciplinary approach using the analysis of philosophy of cognitive sciences, including the philosophy of mind, neurobiology and psychology to formulate the issue of social emergence; b) Criticizing individualist and collectivist methodological approaches to the issue of social emergence and explaining the sufficiency and shortcomings of both in providing weak and strong emerging conditions; c) Explaining and categorizing the challenges facing methodological approaches in explaining the phenomenon of social emergence, in three categories: realism, downward causality, and mechanism. 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The European project European and Latin American Systems of Ethics Regulation of Biomedical Research Project (EULABOR) has carried out the first comparative analysis of ethics regulation systems for biomedical research in seven countries in Europe and Latin America, evaluating their roles in the protection of human subjects. We developed a conceptual and methodological framework defining ‘ethics regulation system for biomedical research’ as a set of actors, institutions, codes and laws involved in overseeing the ethics of biomedical research on humans. This (...) framework allowed us to develop comprehensive national reports by conducting semi-structured interviews to key informants. These reports were summarised and analysed in a comparative analysis. The study showed that the regulatory framework for clinical research in these countries differ in scope. It showed that despite the different political contexts, actors involved and motivations for creating the regulation, in most of the studied countries it was the government who took the lead in setting up the system. The study also showed that Europe and Latin America are similar regarding national bodies and research ethics committees, but the Brazilian system has strong and noteworthy specificities. (shrink)

Alberto Casullo ("Necessity, Certainty, and the A Priori", Canadian Journal of Philosophy 18, 1988) argues that arithmetical propositions could be disconfirmed by appeal to an invented scenario, wherein our standard counting procedures indicate that 2 + 2 != 4. Our best response to such a scenario would be, Casullo suggests, to accept the results of the counting procedures, and give up standard arithmetic. While Casullo's scenario avoids arguments against previous "disconfirming" scenarios, it founders on the assumption, common to scenario and (...) response, that arithmetic might be independent of standard counting procedures. Here I show, by attention to tallying as the simplest form of counting, that this assumption is incoherent: given standard counting procedures, then (on pain of irrationality) arithmetical theory follows. (shrink)

Suppose that a sign at the entrance of a hotel reads: “Don’t enter these premises unless you are accompanied by a registered guest”. You see someone who is about to enter, and you tell her: “Don’t enter these premises if you are an unaccompanied registered guest”. She asks why, and you reply: “It follows from what the sign says”. It seems that you made a valid inference from an imperative premise to an imperative conclusion. But it also seems that imperatives (...) cannot be true or false, so what does it mean to say that your inference is valid? It cannot mean that the truth of its premise guarantees the truth of its conclusion. One is thus faced with what is known as “Jørgensen’s dilemma” (Ross 1941: 55-6): it seems that imperative logic cannot exist because logic deals only with entities that, unlike imperatives, can be true or false, but it also seems that imperative logic must exist. It must exist not only because inferences with imperatives can be valid, but also because imperatives (like “Enter” and “Don’t enter”) can be inconsistent with each other, and also because one can apply logical operations to imperatives: “Don’t enter” is the negation of “Enter”, and “Sing or dance” is the disjunction of “Sing” and “Dance”. A standard reaction to this dilemma consists in basing imperative logic on analogues of truth and falsity. For example, the imperative “Don’t enter” is satisfied if you don’t enter and is violated if you enter, and one might say that an inference from an imperative premise to an imperative conclusion is valid exactly if the satisfaction (rather than the truth) of the premise guarantees the satisfaction of the conclusion. But before getting into the details, more needs to be said on what exactly imperatives are. (shrink)

In what follows, I suggest that, against most theories of time, there really is an actual present, a now, but that such an eternal moment cannot be found before or after time. It may even be semantically incoherent to say that such an eternal present exists since “it” is changeless and formless (presumably a dynamic chaos without location or duration) yet with creative potential. Such a field of near-infinite potential energy could have had no beginning and will have no end, (...) yet within it stirs the desire to experience that brings forth singularities, like the one that exploded into the Big Bang (experiencing itself through relative and relational spacetime). From the perspective of the eternal now of near-infinite possibilities (if such a sentence can be semantically parsed at all), there is only the timeless creative present, so the Big Bang did not happen some 13 billion years ago. Inasmuch as there is neither time past nor time future nor any time at all at the null point of forever, we must understand the Big Bang (and all other events) as taking place right here and now. In terms of the eternal now, the beginning is happening now and we just appeared (and are always just appearing) to witness it. The rest is all conscious construction; time and experience are so entangled, they need each other to exist. (shrink)

The Humean conception of the self consists in the belief-desire model of motivation and the utility-maximizing model of rationality. This conception has dominated Western thought in philosophy and the social sciences ever since Hobbes’ initial formulation in Leviathan and Hume’s elaboration in the Treatise of Human Nature. Bentham, Freud, Ramsey, Skinner, Allais, von Neumann and Morgenstern and others have added further refinements that have brought it to a high degree of formal sophistication. Late twentieth century moral philosophers such as Rawls, (...) Brandt, Frankfurt, Nagel and Williams have taken it for granted, and have made use of it to supply metaethical foundations for a wide variety of normative moral theories. But the Humean conception of the self also leads to seemingly insoluble problems about moral motivation, rational final ends, and moral justification. Can it be made to work? (shrink)

Reflections on digital mourning in the wake of the mass shooting at the Pulse nightclub in Orlando 2016.

We provide a novel defense of the possibility of level-splitting beliefs and use this defense to show that the steadfast response to peer disagreement is not, as it is often claimed to be, unnecessarily dogmatic. To provide this defense, a neglected form of moral disagreement is analysed. Within the context of this particular kind of moral disagreement, a similarly neglected form of level-splitting belief is identified and then defended from critics of the rationality of level-splitting beliefs. The chapter concludes by (...) showing that proponents of the steadfast response to peer disagreement can adopt this form of level-splitting belief in the context of these moral disagreements while exemplifying intellectual humility, rather than dogmatism. (shrink)

In catechesis for adolescents seeking confirmation in the Roman Catholic Church, a dualistic bias unconsciously dichotomizes objective doctrine and subjective psychology. This is problematic because if a catechist does not communicate mind-independent truth, no seed of Catholic faith will have been planted in a student. At the same time, if a catechist does not affirm a student's subjectivity, the seed cannot find receptive soil. I believe the key to integrating these intellectual and affective elements – the head and the heart (...) – lies in the link between what Bernard Lonergan calls authentic subjectivity and objectivity. Catechists can appeal to this link by embracing the moral responsibility to ‘know our knowing,’ becoming aware of our dualistic bias and judging our faith experiences according to objective standards of knowledge. (shrink)

In three experiments we studied lay observers’ attributions of responsibility for an antisocial act (homicide). We systematically varied both the degree to which the action was coerced by external circumstances and the degree to which the actor endorsed and accepted ownership of the act, a psychological state that philosophers have termed ‘identification’. Our findings with respect to identification were highly consistent. The more an actor was identified with an action, the more likely observers were to assign responsibility to the actor, (...) even when the action was performed under constraints so powerful that no other behavioral option was available. Our findings indicate that social cognition involving assignment of responsibility for an action is a more complex process than previous research has indicated. It would appear that laypersons’ judgments of moral responsibility may, in some circumstances, accord with philosophical views in which freedom and determinism are regarded to be compatible. (shrink)

Opening a revolutionary new era in the unification of physics, by a breakthrough understanding of space, time, particles, and cosmology… For more than a century now, physicists have been attempting to unify the whole of physics and in so doing, gain a greater understanding of our cosmos. In Microbits: A New Unified Physics, scientific philosophers M. Muslim and Nadeem Haque, describe in detail, a compelling new view of physics that unites both the micro and the macro domains of matter and (...) energy. Specifically, they deconstruct Einsteinian Special and General Relativity and aspects of Quantum Mechanics, discussing their epistemological and empirical problems by their own original analyses, as well as the crucial but neglected works of prominent, astute and intellectually fearless critics of relativity and current interpretation of Quantum Mechanics such as Professors: Thomas E. Phipps, Bo Lehnert, Herbert E. Ives, Louis De Broglie, David Bohm, Jean-Pierre Vigier, Paul Marmet, Herbert Dingle, Stephan Gift, and G. Burniston Brown. Muslim and Haque establish an understanding of the fundamental physical phenomena in our universe, based on absolute space and what they term the ‘microbit’, the smallest type of particle next to absolute nothingness, from which all matter is comprised, and likewise, all forces. In doing so, in one master-stroke, they eliminate the traditional gulf between what they consider as being the partial/faulty theories of Quantum Mechanics and Einsteinian Relativity. They extend ‘Newton’s laws’ by two more ‘laws’, that remarkably unify the whole of physics. This fresh new perspective, whose time is long overdue, makes a plethora of new predictions that are now surfacing as possibilities in experiments published by leading scientific journals. Microbits: A New Unified Physics, thus calls for a radical shift in our way of looking at the cosmos, based on evidence, consistency, causation and determinism, leading to both wider and deeper implications for humanity. Publishers ISBN: 978-0-9699605-7-7. (shrink)

In his recent article Philosophy Inside Out, Philip Kitcher presents a metaphilosophical outlook that aims at nothing less than a renewal of philosophy. His idea is to draw philosophers’ attention away from “timeless questions” in the so-called “core areas” of philosophy. Instead, philosophers should address questions that matter to human lives. The aim of this paper is twofold: first, to reconstruct Kitcher’s view of how philosophy should be renewed; second, to point out some difficulties relating to his position. These difficulties (...) concern the integration of his naturalism into the pragmatic vision of philosophy, the role of putative philosophical experts, and the ideal status of the program of well-ordered inquiry. (shrink)

It is discerned what light can bring the recent historical reconstructions of maxwellian optics and electromagnetism unification on the following philosophical/methodological questions. I. Why should one believe that Nature is ultimately simple and that unified theories are more likely to be true? II. What does it mean to say that a theory is unified? III. Why theory unification should be an epistemic virtue? To answer the questions posed genesis and development of Maxwellian electrodynamics are elucidated. It is enunciated that the (...) Maxwellian Revolution is a far more complicated phenomenon than it may be seen in the light of Kuhnian and Lakatosian epistemological models. Correspondingly it is maintained that maxwellian electrodynamics was elaborated in the course of the old pre-maxwellian programmes’ reconciliation: the electrodynamics of Ampére-Weber, the wave theory of Young-Fresnel and Faraday’s programme. To compare the different theoretical schemes springing from the different language games James Maxwell had constructed a peculiar neutral language. Initially it had encompassed the incompressible fluid models; eventually – the vortices ones. The three programmes’ encounter engendered the construction of the hybrid theory at first with an irregular set of theoretical schemes. However, step by step, on revealing and gradual eliminating the contradictions between the programmes involved, the hybrid set is “put into order” (Maxwell’s term). A hierarchy of theoretical schemes starting from ingenious crossbreeds (the displacement current) and up to usual hybrids is set up. After the displacement current construction the interpenetration of the pre-maxwellian programmes begins that marks the commencement of theoretical schemes of optics, electricity and magnetism real unification. Maxwell’s programme surpassed that of Ampére-Weber because it did absorb the ideas of the Ampére-Weber programme, as well as the presuppositions of the programmes of Young-Fresnel and Faraday properly co-ordinating them with each other. But the opposite statement is not true. The Ampére-Weber programme did not assimilate the propositions of the Maxwellian programme. Maxwell’s victory over his rivals became possible because the gist of Maxwell’s unification strategy was formed by Kantian epistemology looked in the light of William Whewell and such representatives of Scottish Enlightenment as Thomas Reid and Sir William Hamilton. Maxwell did put forward as basic synthetic principles the ideas that radically differed from that of Ampére-Weber approach by their open, flexible and contra-ontological, genuinly epistemological, Kantian character. For Maxwell, ether was not the ultimate building block of physical reality, from which all the charges and fields should be constructed. “Action at a distance”, “incompressible fluid”, “molecular vortices”, etc. were contrived analogies for Maxwell, capable only to direct the researcher at the “right” mathematical relations. Key words: J.C. Maxwell, unification of optics and electromagnetism, I. Kant, T. Reid, W. Hamilton . (shrink)

John Searle and Roger Penrose are two staunch critics of computationalism who nonetheIess believe that with the right framework the mind can be naturalized. while they may be successful in showing the shortcomings of computationalism, I argue that their alternative noncomputational frameworks equally fail to carry out the project to naturalize the mind. The main reason is their failure to resolve some fundamental incompatibilities between mind and science. Searle tries to resolve the incompatibility between the subjectivity of consciousness and the (...) objectivity of silence by means of conceptual clarification. He, howeve4 fails to deal with the concepts crucial to this incompatibility, namely, the publicness of scientific knowledge and the privacy of psychological knowledge. Penrose tries to resolve the incompatibility between the non-computationality of psychological process and the computationality of scientific process by expanding the scope of science through some radical changes in quantum physics. His strategy, howeve4 has the danger of trivializing the distinction between science and non-science thereby putting into question the very value of the project to naturalize the mind. In addition, the feasibility of this strategy remains dubious in light of the mysteries that still surround quantum physics. (shrink)

Aristotle’s political theory is often dismissed as undemocratic due to his treatment of natural slavery and women and to his conception of political rule as rule by turns. The second reason presents no less serious challenges than the first for finding democracy in Aristotle’s political theory. This article argues that Aristotle’s account of ruling in turns hinges on a critique of master rule and an affirmation of political rule, which involves both the rulers and the ruled in the project of (...) ruling. Ruling in turns makes the rule shared, not merely an exchange of opportunities to rule as a despot. (shrink)

Typical agreements can be seen as joint decisions, inherently involving obligations of a distinctive kind. These obligations derive from the joint commitment' that underlies a joint decision. One consequence of this understanding of agreements and their obligations is that coerced agreements are possible and impose obligations. It is not that the parties to an agreement should always conform to it, all things considered. Unless one is released from the agreement, however, one has some reason to conform to it, whatever else (...) is true. In this sense, one is under an obligation to the other parties. The relevance of these points to the issue of political obligation is discussed. (shrink)

This paper investigates the meaning of the neo-Confucian concept of 'li'. From early on, it has the sense of a pattern designating how things are and ought to be. But it takes on the appearance of something transcendent to the world only at a certain point in history, when it becomes juxtaposed to 'qi'. Zhu Xi has been criticized for this 'li-qi' dichotomization and the transcendentalization of 'li'. The paper re-examines this putative dualism and transcendentalism, looking into both Zhu's discussions (...) and pre- and post-Zhu discussions of 'li', and concludes it to be an inter-connective threading immanent to the world. (shrink)

The chapter deals with the contrast between defining aspects of religious rigidity, a socio-historically derived counter-narrative, and anti-consumerism in Rastafarian philosophy and culture on one hand and the universal message and commercial success of the music on the other. After discussing the status of the genre as part of Jamaican national culture, the inherent socio-political claim of Reggae and Rastafarian culture are put in context with the conflicting claims of superiority and non-partiality that can frequently be found in the music. (...) Along the lines of religious doctrines in Rastafarian culture and the attempted spiritual transcendence of racism the chapter closes with an exploration of the genre's signature tropes of social justice and anti-materialism, also considering the less strictly defined identity-constructions of recent artists linked to the Reggae Revival movement. "Martin A. M. Gansinger's study of Reggae and class employs Rastafarianism as a key ingredient of both concepts. Gansinger contends that Rastafarianism offers a "spirituality-based consciousness" that lends itself to an egalitarian-driven social consciousness. Reggae's strong social, political and culture capital as a philosophy of liberation owes much to Rastafarianism, which, for all its contradictions, embodied in categories such as the "righteous" and the "wicked", as well as its segregationalist and patriarchal past, offers a means through which the music advances a socially transformative spirituality that may play a part in the rediscovery of a truly social consciousness." (Ian Peddie, Introduction to The Bloomsbury Handbook of Popular Music and Social Class). (shrink)

In discussions of religious disagreement, some epistemologists have suggested that religious disagreement is distinctive. More specifically, they have argued that religious disagreement has certain features which make it possible for theists to resist conciliatory arguments that they must adjust their religious beliefs in response to finding that peers disagree with them. I consider what I take to be the two most prominent features which are claimed to make religious disagreement distinct: religious evidence and evaluative standards in religious contexts. I argue (...) that these two features fail to distinguish religious disagreement in the ways they have been taken to. However, I show that the view that religious disagreement is not a unique form of disagreement makes religious disagreement less, rather than more, worrisome to the theist who would prefer to rationally remain steadfast in her religious beliefs. (shrink)

Time’s arrow is necessary for progress from a past that has already happened to a future that is only potential until creatively determined in the present. But time’s arrow is unnecessary in Einstein’s so-called block universe, so there is no creative unfolding in an actual present. How can there be an actual present when there is no universal moment of simultaneity? Events in various places will have different presents according to the position, velocity, and nature of the perceiver. Standing against (...) this view is traditional common sense since we normally experience time’s arrow as reality and the present as our place in the stream of consciousness, but we err to imagine we are living in the actual present. The present of our daily experience is actually a specious present, according to E. Robert Kelly (later popularized by William James), or duration, according to Henri Bergson, an habitus, as elucidated by Kerby (1991), or, simply, the psychological present (Adams, 2010) – all terms indicating that our experienced present so consists of the past overlapping into the future that any potential for acting from the creative moment is crowded out. Yet, for philosophers of process from Herakleitos onward, it is the philosophies of change or process that treat time’s arrow and the creative fire of the actual present as realities. In this essay, I examine the most well known but possibly least understood process cosmology of Alfred North Whitehead to seek out this elusive but actual present. In doing so, I will also ask if process philosophy is itself an example of the creative imagination and if this relates to doing science. I conclude Whitehead's process philosophy falls short of allowing for the actual creative spontaneity of a dynamic (eternal) present. (shrink)

Among other things, this paper considers what so-called collective guilt feelings amount to. If collective guilt feelings are sometimes appropriate, it must be the case that collectives can indeed be guilty. The paper begins with an account of what it is for a collective to intend to do something and to act in light of that intention. An account of collective guilt in terms of membership guilt feelings is found wanting. Finally, a "plural subject" account of collective guilt feelings is (...) articulated, such that they involve a joint commitment to feel guilt as a body. (shrink)