Some partitions of Natural Number set are built through recursive processesgenerating in this manner countable examples of countable and disjoint sets whose unionis a set also countable. This process is constructive, so the Axiom of choice is not used.We provide a PC program that generates one of these special partitions and shows howto generate infinite of them. This line of reasoning can have multiple applications in Settheory and Model theory. We proved that the number of ways to make these partitionsof (...) natural numbers is not countable, there are more of these partitions (named doublycountable) than natural numbers. For each natural number greater than 1, we show aneffective procedure that generates these partitions -/- . (shrink)

Resumen: Este artículo trata del método y su relación con la investigación educativa. El objetivo es analizar la relevancia del método en ciencias humanas y sociales, en especial, en educación. Para ello, dividimos este artículo en tres secciones: 1. ¿Hay método? 2. ¿Hay uno o varios métodos? 3. La discusión sobre el método en la investigación educativa. A la primera pregunta, respondemos que hay método. Respondemos a la segunda señalando la necesidad de adoptar un pluralismo metodológico. La tercera sección defiende (...) que las discusiones sobre el método de investigación educativa implican dimensiones ontológicas, epistemológicas y éticas que se han tornado críticas, y se hace una revisión de cada una de ellas. En el apartado conclusivo, sugerimos algunas vías para desanudar esos asuntos críticos en la investigación educativa.: This article deals with method and its relation to educational research. The objective is to analyze the relevance of method in human and social sciences, especially in education. To this end, we divide this article into three sections: 1. Is there a method? 2. Is there one or more methods? 3. The discussion on method in educational research. To the first question, we answer that there is a method. We answer the second question by pointing out the need to adopt methodological pluralism. The third section argues that discussions on the method of educational research involve ontological, epistemological, and ethical dimensions that have become critical, and a review is made of each of them. In the concluding section, we suggest some ways to disentangle these critical issues in educational research. (shrink)

Connections between J.L.Vives and C.S. Peirce are shown. Not only is reflec-tion on language and meaning central in both thinkers, but Peirce also knew Vives' thought especially through W. Hamilton and the Scottish common sense school. Peirce credited Vives with being a forerunner of the use of dia-grams in logic, and both share a critical view of late medieval nominalistic logicians and a social and hierarchical conception of knowledge.

Coletânea de textos: 1.Idealismo transcendental, naturalismo e um pouco de história, Adriano Naves de Brito; 2. Ceticismo e a reconstrução de P.F. Strawson da dedução kantiana das categorias, Pedro Stepanenko; 3. Dedução Transcendental e Ceticismo, Marco Antonio Franciotti; 4. Strawson e Kant sobre a dualidade entre intuições e conceitos, Roberto Horácio de Sá Pereira; 5. Princípio de significatividade em Kant e Strawson, Cristina de Moraes Nunes; 6. Strawson e Kant sobre a Liberdade, Albertinho Luiz Gallina e Cecília Rearte Terrosa; 7. (...) Argumentos Transcendentais e Metafísica Descritiva em P. F. Strawson, Itamar Luís Gelain; 8. Breve consideração sobre o problema da tese da aprioridade do espaço e do tempo, Juan Adolfo Bonaccini; 9. Os novos fundamentos da metafísica estabelecidos por Kant, Peter F. Strawson, Trad. Jaimir Conte; 10. Imaginação e percepção, Peter F. Strawson, Trad. Ítalo Lins Lemos. (shrink)

This article turns to the neglected pedagogical concept of ingenium in order to address some shortcomings of the admiration–emulation model of Linda Zabzebski’s influential exemplarist moral theory. I will start by introducing the problem of the admiration-emulation model by way of a fictional example. I will then briefly outline the concept of ingenium such as it appears in a Renaissance context, looking particularly at the pedagogical writings of Juan Luis Vives. This will set the stage for the next (...) part, looking at how early modern philosopher Benedict Spinoza adopts a Vivesian notion of ingenium, adjusting it so as to fit into the setting of his political theory. Next, I will turn to Spinoza’s use of the concept of ingenium in relation to his portrayal of exemplary persons, offering a pedagogical model of moral exemplarism that can counter some of the perceived problems of the admiration–emulation model as it highlights the necessary fallibility of efficient exemplars as well as acknowledges the socio-political dimension of emotions. Finally, I will lay out some preliminary consequences for educational theory, hoping to offer a way of reconciling moral exemplarism with a more realistic pedagogical and psychological framework. (shrink)

This paper provides an account of the evolution of the notion of comparatio in the main dialectical works of Valla, Agricola, and Vives. It highlights the elements of continuity and discontinuity and sheds light on the original contributions of Vives’s treatment. In Valla, Agricola and Vives, the notion of comparatio characterizes: a) the locus of the relation to another in the inventio method; b) the cognitive act through which one can grasp the relationships of similarity and difference between concepts; c) (...) the epistemic method for weighing the degree of plausibility of probable arguments. The paper also shows how Vives enhances the role of comparatio within dialectical art. Firstly, he attributes a pre-eminent position to the locus of the comparatio by virtue of the transversality of its application to all the other loci. Secondly, he identifies the explanation of the key concept of syllogism in the act of compering two sentences with a third. Finally, he finds the essence of the disputatio in the method of comparing equally probable contradictory arguments. This can rightly be considered an innovative element of the Vivesian dialectical treatment with respect to the most advanced European humanist movement of the first decades of the sixteenth century. (shrink)

this book concerns the debates on the functions of "imagination" (phantasia, imaginatio) in the arousal of passions in the Aristotelian and post-Aristotelian traditions till the XVIIth Century. The simple fact that often a mental representation is followed by pleasure or sorrow and that these emotions can cause actions, became progressively part of a wider theory of animal and human behaviour. In the case of human behaviour, the "force of imagination" became a kind of general justification of all kind of anomic (...) and irregular behaviour and beliefs, including true paranormal conditions of the body. The book recapitulates the main evolution of this way of seeing passions - from Aristotle to Avicenna and his Latin followers - till the age of the authors who see the inner work of "imagination" as a constant danger for human reason, and imagination itself as faculty to control with care for its propension to be the "advocate" of the "inferior part of the soul", such as Gianfrancesco Pico, Juan Luis Vivés, Pierre Charron, Blaise Pascal and a large part of the French Augustinian Moral Philosophers. (shrink)

Antes de entrar cuidadosamente no estudo de cada filósofo, em suas respectivas ordens cronológicas, é necessário dar um panorama geral sobre eles, permitindo, de relance, a localização deles em tempos históricos e a associação de seus nomes com sua teoria ou tema central. l. OS FILÓSOFOS PRÉ-SOCRÁTICOS - No sétimo século antes de Jesus Cristo, nasce o primeiro filósofo grego: Tales de Mileto2 . Ele e os seguintes filósofos jônicos (Anaximandro: Ἀναξίμανδρος: 3 610-546 a.C.) e Anaxímenes: (Άναξιμένης: 586-524 a.C.) tentaram (...) expressar/elucidar o que é a arché, ou constitutivo fundamental do Universo. 4 Também sobressaem as teorias de Pitágoras (Ὁ Πυθαγόρας: 570 a.C.- 495 a.C.), completas de misticismo e Matemática; a de Heráclito (Ἡράκλειτος ὁ Ἐφέσιος: 540-470 a.C.), o filósofo do devir e o de seu oponente, Parmênides (Παρμενίδης: 530-460 a.C.), que elucida a primeira teoria do ser, e para qual é alcunhado como o iniciador da Metafísica. Anaxágoras (Ἀναξαγόρας: 500 a.C.- 428 a.C.) esboça uma teoria sobre o Nous, o espírito divino. Por outro lado, Demócrito (Δημόκριτος: Grécia: 460-370 a.C.) e Empédocles (Ἐμπεδοκλῆς: 490 a.C.-430 a.C.) insistem no materialismo. Em contrapartida, os sofistas (Parmênides, Cálicles (Καλλικλῆς: personagem platônico cuja existência é duvidosa) e Górgias (Γοργίας: 485 a.C.-380 a.C.)) gozam das suas aptidões à dialética, e colocam o relativismo como uma posição filosófica. Sócrates será o inimigo mais temível dessa posição. Este é o começo do movimento filosófico de Atenas, que culmina nos séculos quinto e quarto, tal qual, posteriormente, veremos. 2. O APOGEU GREGO – Sócrates (Σωκράτης: 469 a.C.-399 a.C.), Platão (Πλάτων: 428/427- 348/347 a.C.) e Aristóteles (Ἀριστοτέλης: 384 a.C.-322 a.C.) formam o triunvirato dos grandes filósofos gregos. O primeiro (Sócrates), com seu método "maiêutico" e sua teoria do conceito; o segundo (Platão), com sua teoria das ideias e seu estilo literário (dialogista); e o terceiro (Aristóteles), com a estruturação dos principais ramos filosóficos, como a Lógica, a Metafísica, a Ética, a Psicologia racional e a Política; todos eles elevaram a Filosofia para um posto de primeira ordem. Doravante, todos os filósofos tornam-se credores das contribuições desses gênios. Em certos autores, é clara a influência de Platão ou de Aristóteles. Sendo que, ambos os filósofos, tiveram influência absoluta de Sócrates, uma vez que Platão fora seu discípulo, e Aristóteles discípulo de Platão. A Idade Média, por exemplo, foi toda ela, em sua gênese e desenvolvimento, alicerçada no pensamento e nas ideias platônicas; tal era histórica é caracterizada pela luta em favor de um ou de outro autor; o platonismo tomou precedência nos primeiros séculos do cristianismo; somente após o décimo século Aristóteles foi redescoberto. 3. A FILOSOFIA CRISTÃ MEDIEVAL - Santo Agostinho (354 a.C.-430 a.C.) se destaca, no quinto século, com sua teoria da iluminação e a aplicação da teoria platônica ao Cristianismo. No século XIII, São Tomás de Aquino (1225-1274), sintetiza Aristóteles com o Cristianismo. Os dois autores formam o núcleo da filosofia cristã em seus respectivos séculos. A escolástica teve seu tempo de decadência. Se mencionam, principalmente, dois autores: João Duns Escoto (1266-1308) e Guilherme de Ockham (1285-1347). O primeiro é o "Doutor Sutil ", e o segundo cai em um fideísmo e um nominalismo, para todos os conceitos criticáveis. Em uma segunda parte, tentaremos explicar os respectivos pensamentos dos autores mencionados, e outros que pertencem ao mesmo tempo, antigos e medievais. Naquela época, a Filosofia era puramente realista, aplicada ao mundo e ao homem. Somente na Idade Moderna, a Filosofia assumirá o problema do conhecimento como a base e o começo de todo filosofar. 4. A FILOSOFIA RACIONALISTA (MODERNA) - Na Idade Moderna, sobressai o racionalismo de Descartes (1596-1650) prolongado, então, com Malebranche (1638-1715) (ocasionalismo), Espinosa (1632 -1677) (panteísmo) e Leibniz (1646-1716) (teoria das mônadas). Estamos nos séculos XVII e XVIII. A atenção será focada nas disputas filosóficas da corrente empirista contra a racionalista. 5. A FILOSOFIA EMPIRISTA – O empirismo é florescido, principalmente, na Inglaterra. Francis Bacon (1561-1626), primeiro, e depois Locke (1632-1704) com sua rejeição de ideias inatas, Berkeley (1685-1753) com postura e ideias paradoxais, também idealistas e Hume (1711-1776), com suas famosas críticas contra o princípio da causalidade e o conceito de substância, são os principais autores. 6. KANT E OS IDEALISTAS ALEMÃES - Como a tentativa de sintetizar o racionalismo e empirismo, está a teoria de Kant (1724-1804), no século XVIII. Para o seu gênio seguido pelos três idealistas alemães mais importantes: Fichte (1762-1814) (idealismo subjetivo), Schelling (1775-1854) (idealismo objetivo) e Hegel (1770-1831) (idealismo absoluto). Esses Autores representam o ápice da especulação filosófica. A análise, a profundidade, a complexidade da expressão e o espírito sistemático são as características do gênio alemão idealista. 7. OS FILÓSOFOS DO SÉCULO XIX - Antes de tudo, é necessário mencionar, no século dezenove, aos dois grandes críticos de Hegel, que são Kierkegaard (1813-1855) (precursor do existencialismo) e Marx (1818-1883) (com seu materialismo dialético). O próximo é outro casal: Nietzsche (1844-1900) (teoria do Super-homem) e Schopenhauer (1788-1860) (com seu absoluto pessimismo). Comte (1798-1857) com sua doutrina positivista, completará o quadro desses filósofos. Numa outra oportunidade, vamos desmembrar sobre o pensamento e principais ideias acerca desses autores. 8. OS FILÓSOFOS DO SÉCULO XX - Antes de tudo, há um autor que iluminou a filosofia do século XX: Edmund Husserl (1859-1938), fundador do método fenomenológico. Em seguida, existem dois fluxos que são derivados diretamente de Husserl, a saber, o existencialismo e a axiologia. Dentro da corrente axiológica, estudaremos Scheler (1874-2928). Por outro lado, o existencialismo tem quatro autores principais; dois são alemães: Heidegger (1889-1976) e Jaspers (1883-1969); e os demais são franceses: Sartre (1905-1980) e Marcel (1889-1973). Heidegger insiste em que seu tema tratado em sua filosofia não é a unicidade do homem, mas o ser em geral. Jaspers é famoso por seu conceito de transcendência (Deus). Sartre é um antiteísta sincero, e seu existencialismo é definido como um pensamento que assume todas as consequências da negação de Deus. Em contraste, Gabriel Marcel é um filósofo Católico, que conseguiu uma análise profunda das situações humanas, que aparecem em íntima concordância com as verdades cristãs. Vamos terminar com Russell (1872-1970), autor básico do positivismo lógico. Cronologia de filósofos e suas escolas até nossos dias ➢ Filosofia Antiga - Escola naturalista da Jônia: Tales, Anaximandro e Anaxímenes; - Escola matemática da Itália: Pitágoras e os pitagóricos; - Escola idealista de Eléia: Xenófanes (570-475 a.C.), Parmênides, Zenão (490/85-420 a.C.) e Meliso (h.443); - Escola empirista: Heráclito, Empédocles e Anaxágoras; - Escola atomista de Abdera: Leucipo (h.437) e Demócrito; - Escolas de Atenas: - Sofistas: Protágoras (480-410), Górgias (484-375?); Sócrates, Platão e Aristóteles; - Pirronismo: Pirro (h.365-h.275); - Estoicismo: Zenão de Cítio (359/33-262) e Crisipo (281/77-208); - Epicurismo: Epicuro (341-270); - Nova Academia: Arcesilau (315-241) e Carnéades (214-129); Romanos: Sêneca (4 a.C.-65 d.C.), Marco Aurélio (121-180) e Cícero (106-43). - Escola greco-judia: Fílon de Alexandria (25 a.C.-50 d.C.); - Neoplatonismo: Plotino (204/5-270), Porfirio (h.233-304), Jâmblico (h.250-330) e Proclo (h.411-485). ➢ Filosofia patrística - Apologistas: São Justino (100/10-165), Ireneu de Lyon (h.140-h.l 77) e Atenágoras (fines s. II); - Alexandrinos: São Clemente (h.145/50-215) e Orígenes (h.185-255); - Africanos: Tertuliano (h.160-230), Arnóbio (h.260-h.327) e Lactâncio (nascido h. 250); - Gregos: São Basílio (h.330-379), São Gregório de Nazianzo (330-390), São Gregório de Níssa (330-390) e Pseudo-Dionísio (h.500); - Latinos: São Hilário (h.315-367), Santo Ambrósio (333-397) e Santo Agostinho; - Outros: Claudiano (+h.473), Boécio (480-524), São Isidoro (h.560-633) e Beda (672/3-735). ➢ Filosofia Medieval/Escolástica - Judeus: Isaac Israeli (+h.940), Salomão Ibn Gabirol (h.l020-p.l058) e Maimônides (1135- 1204); - Árabes: Alquindi (h. 796-874), Al-Farabi (870-950), Avicena (980-1037), Algazali (1058- 1111) e Averróis (1126-1198); - Escola palatina: Alcuíno de Iorque (730/5-804), Rábano Mauro (h.784-856), Escoto Erígena (h.810-h.870) e Papa Silvestre II (+1003); - Dialéticos: Santo Anselmo (1033/4-1109) e Pedro Abelardo (1079-1142); - Tradutores: Domingo Gundisalvo (meados s. XII), Gerardo de Cremona (h. 1114-1187); - Enciclopedistas: Teodorico de Chartres (+1155), Hugo de São Vitor (+1141) e Vicente de Beauvais (+1264); - Universidades: Guilherme de Auvergne (1180- 1249) e Sigerio de Brabante (+h.l284); - Dominicanos: São Alberto Magno (1206-1280) e Santo Tomás de Aquino; - Franciscanos: Alexandre de Hales (1170/80-1245), São Boaventura (1217-1274), Roger Bacon (h.1210/14-1292), João Duns Escoto, Raimundo Lulio (1235-1315) e Guilherme de Ockham (h.1285-1349). ➢ Filosofia Moderna - Humanistas Renascentistas: Ficino (1433-1499), Erasmo (1467-1536), Maquiavel (1469- 1527), Thomas More (1480-1535), Juan Luis Vives (1492-1540) e Giordano Bruno (1548- 1600); - Racionalismo: Descartes, Malebranche, Espinosa e Leibniz; - Empiristas: Francis Bacon, Thomas Hobbes (1588-1679), Locke, Berkeley e Hume; - Escola escocesa: Thomas Reid (1710-1796); Iluministas: Voltaire (1694-1778), Condillac (1715-1757), Diderot (1713-1784) e J. J. Rousseau (1712-1778). - Idealismo transcendental: Kant; - Idealismo subjetivo: Fichte; - Idealismo objetivo: Schelling; - Idealismo absoluto: Hegel; - Pessimismo: Schopenhauer; - Ecletismo: Cousin (1792-1867); - Positivismo: A. Comte, J. S. Mill (1806-1873) e H. Spencer (1820-1900); - Socialismo: H. Saint-Simon (1760-1825), Ch. Fourier (1772-1837) e K. Marx; - Vitalismo: Nietzsche e W. Dilthey (1833-1912). ➢ Filosofia Contemporânea - Intucionismo: H. Bergson (1859-1941); - Pragmatismo: Ch. S. Peirce (1839-1914), W. James (1842-1910) e J. Dewey (1859-1952); - Fenomenologia: Husserl, Scheler, N. Hartmann (1882-1950) e M. Merleau-Ponty (1908- 1961); - Existencialismo: Jaspers, Heidegger, Marcel e Sartre; - Atomismo lógico: B. Russell (1872-1970) e L. Wittgenstein (1889-1951); - Positivismo lógico: M. Schlick (1882-1936), R. Carnap (1891-1970 ) e A. J. Ayer (1910- 1990). - Filosofia analítica: J. L. Austin (1911-1960), G. Ryle (1900-1976), W.V.O. Quine (1908- 2000), P. F. Strawson (1919-2003) e H. Putnam (1926-); - Hermenêutica: H. G. Gadamer (1900-2002), P. Ricoeur (1913-2007) e J. Habermas (1929-). - Estruturalismo e pós-estruturalismo: F. de Saussure (1857-1913), C. Lévi-Strauss (1908- 2009) e M. Foucault (1926-1984). - Filosofia pós-moderna: J. F. Lyotard (1924-1999), G. Deleuze (1925-1995), J. Derrida (1930- 2004), R. Rorty (1931-2007) e G. Vattimo (1936-). - Comunitaristas: A. Maclntyre (1929-), Ch. Taylor (1931-). REFERÊNCIAS BIBLIOGRÁFICAS CHAUÍ, M. Iniciação à Filosofia. Vol. Único. 2ª ed. São Paulo: Ática, 2013. 460 p. SANTOS, R. dos. Filosofia: Uma breve introdução. 1ª ed. Pelotas: Dissertativo Incipiens, 2014. 108 p. . Rua do Riachuelo, 303, Centro, Rio de Janeiro, RJ Casa Histórica de Osório CEP: 20230-011 E-mail: [email protected]. (shrink)

The main aim of the French logician and philosopher Petrus Ramus was to provide a method of teaching the liberal arts enabling the completion of the undergraduate program of studies in 7 years. This method was based on a new logic, in which the complex structure of Aristotle’s Organon and of the Summulae logicales of Peter of Spain is reduced to two main doctrines: the invention of arguments, by which it is possible to find the notions for reasoning and disputing (...) in any discipline, and the disposition of arguments in judgment, i.e., in propositions and syllogisms. Since this logic applies both to demonstrative and to probable reasoning, Ramus and Rudolph Agricola, who first introduced it, labeled it as dialectic. Ramus completed this twofold dialectic with a method, according to which disciplines have to be taught by providing general definitions, to be explained by subsequent dichotomous divisions. According to Ramus, this method ensures a well-ordered hierarchy and division of disciplines, and an efficient means to teach them in a shorter time than in the pedagogical programs of Juan Luis Vivès, Johann Sturm, and Philipp Melanchthon. This method had its main diffusion in the pre-university institutions such as the German gymnasia and gymnasia illustria (e.g., of Herborn), while in Reformed and Catholic universities the acceptance of Ramism was hindered by the predominance of the Aristotelian curriculum. (shrink)

Se trata de una reflexión que indaga en torno a la naturaleza de las relaciones posibles entre el ejercicio de la dominación política y los valores morales. El discurso justificador del poder, de raíces axiológicas, es revisado desde por lo menos tres miradores. El primero es el de Juan Jacobo Rousseau, el segundo el de Michael Foucault y, finalmente, el de Luis Villoro. La idea es encontrar la clave a un viejo y espinoso tema de la moral pública: (...) la legitimidad objetiva de los valores superiores al interés particular. (shrink)

This chapter will explore the reception of Condillac in Argentina from the nineteenth century to the early twentieth century, focusing on two cases. First, the reception by nineteenth-century professors of idéologie (Juan Crisóstomo Lafinur, Juan Manuel Fernández de Agüero, Luis José de la Peña, and Diego Alcorta) that was mediated by the interpretations of Antoine Destutt de Tracy, Pierre Jean Cabanis, and Pierre Laromiguière. Second, the reception in the early twentieth century by José Ingenieros, whose narrative was (...) conditioned by his own political and philosophical agenda. In each case, we can identify different receptions that must be interpreted not only in light of the philosophical concerns of the authors who made them but also in light of the wider cultural and political context in which they emerged. In the first half of the nineteenth century, Condillac was received as a philosopher who integrated the new philosophical canon that would replace the Scholastic canon that had been imposed by the colonial regime. In the early twentieth century, Ingenieros inserted Condillac into a narrative that, starting with Bacon and Locke, culminated in positivism, a current that, in his view, offered the best framework to make Argentina shine in the concert of civilized nations. (shrink)

RELAÇÃO E EFEITOS BIOQUÍMICO-NUTRICIONAIS SOBRE A METRITE EM VACAS -/- Emanuel Isaque Cordeiro da Silva Departamento de Agropecuária – IFPE Campus Belo Jardim [email protected] ou [email protected] WhatsApp: (82)98143-8399 -/- •__3. METRITE -/- O transtorno caracterizado pela inflamação do útero, devido a causas sépticas ou assépticas que atuam sobre ele, denomina-se genericamente como metrite. As metrites são afecções de grande importância, tanto pela frequência como pela gravidade. As metrites podem ser divididas segundo seu caráter anatômico, como mucosa (catarral), purulenta, hemorrágica, crupal, (...) pútrida e flegmonosa e segundo seu curso, em agudas e crônicas (FRAZER, 2005; GORDON, 1996). Estão associadas às doenças do puerpério. Quando a inflamação é limitada à mucosa é chamada de endometrite; e se ademais interessa a camada muscular denomina-se metrite ou miometrite; se afeta o revestimento peritoneal, perimetrite ou metroperitonite; e se a inflamação se estende ao paramétrio, ou seja, ao tecido conjuntivo pélvico e ligamentos, chama-se parametrite (FÖLDI, et al. 2006). A metrite ocorre em consequência de diversos acidentes que resultam de partos distócicos, após retenção fetal ou secundinas seguidas de putrefação, por arrancamento brutal dos cotilédones; por injeções uterinas irritantes; após o prolapso uterino; tudo o que favorece o desenvolvimento microbiano. Em fêmeas que se inseminam artificialmente sob condições sépticas ou de pobre destreza se produz endometrite seguida com infecundidade passageira, isto se produz como consequência das erosões produzidas pela pistola de inseminação, desassossego geral no procedimento ou por levar o sêmen a maior temperatura que a devida e em lugar inadequado. Algumas situações de origem nutricional se associam em maior ou menor grau com a incidência de metrite, em especial processos de retenção de placenta ou involução uterina de origem nutricional podem levar, de forma indireta, a incidência de metrite. 3.1 Relação energia e proteína Uma das situações de origem nutricional associada à metrite é o excesso de proteína crua na dieta. As vacas necessitam de um adequado fornecimento de proteína. No afã de suprir as necessidades nutricionais e evitar as limitações de aminoácidos, cai-se no erro de fornecer excessos de proteína, trazendo como consequência uma diminuição da eficiência reprodutiva, devido à relação dos altos níveis de proteína na dieta com a falha reprodutiva específica. Um excesso de proteína resulta num aumento da produção de amoníaco e, como consequência, numa maior síntese de ureia pelo fígado (BACH, 2000). Consequentemente, existe um aumento do nível de ureia no sangue, no útero e no muco vaginal. A nível uterino, a ureia parece ter um efeito sobre a função hormonal e depressora da proteção imunitária. O mecanismo específico baseia-se na toxicidade direta da ureia, na perda do balanço energético e na concentração de diaminas de ácido carbônico que favorecem a ampla difusão da ureia em todo o endométrio. O fornecimento de fontes alternativas de nitrogênio na alimentação dos animais vêm ganhando espaço no debate entre os especialista e a ureia é uma dessas fontes. Ela é conhecida como uma fonte de nitrogênio não-proteico (NNP), porém não se destaca tanto pelos inúmeros fatores negativos como a baixa aceitabilidade dos animais ou aos índices de intoxicação pela mesma. O rúmen necessita de um teor de 1% de nitrogênio para manter os mecanismos fisiológicos e a população microbiana, sendo assim, o produtor deve estar atento ao fornecimento desse mineral para seus animais. Especialistas apontam a fórmula de 30 g de ureia por dia para animais de 100 kg, e que essa quantidade nunca pode exceder os 200 g por animal por dia. Esses dados só podem ser postos em prática se as forrageiras existentes na propriedade não conseguirem suprir a exigência de 1% de nitrogênio no animal. Uma fonte vegetal de ótima qualidade e abundante em meios nutricionais e fonte extra de renda é a cana-de-açúcar. Ao nível hormonal a presença de ureia impede a manutenção do gradiente de pH (induzido pela progesterona) que existe entre as células apicais e basais da parede uterina (MARÍN & CÁRDENAS, 1999). Assim, a progesterona não consegue manter o gradiente de pH e aumenta a secreção de PGF2α, que afeta negativamente tanto a sobrevivência como o desenvolvimento embrionário. A nível imunológico, ocorre um efeito negativo devido à elevada concentração de amônio e ureia no sangue, o que diminui a atividade dos linfócitos e impede a defesa celular contra os agentes nocivos provocadores da metrite infecciosa, favorecendo o desenvolvimento microbiano. Para determinar a quantidade e a qualidade da nutrição proteica do animal são utilizados indicadores como a concentração de ureia no sangue e no leite. As proteínas, em geral, possuem inúmeras funções, dentre elas componentes estruturais, funções enzimáticas, funções hormonais, recepção de estímulos hormonais e armazenamento de informações genéticas. Na nutrição animal, as proteínas são divididas entre bruta (PB) e metabolizável (PM), ainda outras, mas o enfoque são essas. Os animais necessitam de níveis distintos de proteínas em suas respectivas fases de vida. Para elucidar melhor, tomemos como exemplo uma vaca nelore de 420 kg no final da gestação necessita, em média, de 389 g/dia de proteína metabolizável e, em média de 581 g/dia de proteína bruta. Os alimentos de origem vegetal (forrageiras) fornecem muito bem e eficazmente teores aceitáveis de proteínas, porém como o elemento mais presente é a fibra, faz-se necessário a suplementação nos animais, e um meio de suprir as necessidades dos mesmo, é optando por farelos de soja que possuem mais de 60% de proteína em sua composição, ou outras fontes alternativas como as farinhas de origem animal como a de sangue, por exemplo. A deficiência de fibra crua desencadeia principalmente uma deficiência de energia no ruminante; pois a partir da fibra formam-se os ácidos graxos voláteis (AGV) que constituem até 60% das fontes energéticas para estes animais. Devido à síntese reduzida de AGV, é muito baixa a concentração destes, são absorvidos pela corrente sanguínea e o animal entra em estado de déficit de precursores glicogênios. Como o consumo de alimento no pós-parto está reduzido, e não há a suficiente disposição de energia (deficiência de AGV principalmente ácido acético, devido a deficiência em fibra crua), o organismo realiza uma mobilização de ácidos graxos para a compensação energética. Os ácidos graxos são levados até acetil-CoA, este é convertido pelo fígado em corpos cetônicos que são utilizados em baixa concentração por alguns tecidos periféricos (cérebro) como fonte de energia, pois os excessos de corpos cetônicos produzem toxicidade. Os excessos de acetil-CoA no fígado podem sofrer condensação e converterem-se em β-hidroxi-β-metil-glutaril-CoA que serve como fonte de mevalonato (precursor do colesterol formado em excesso). Os excessos provocam fígado graxo que gera danos hepáticos, isso deprime a síntese de ácidos graxos para a formação do colesterol que se encontra diretamente implicado na síntese de estrogênios. Após o parto uma deficiência de estrogênio provoca de forma subsequente atonia uterina, retenção de placenta, endometrite puerperal e finalmente metrite. 3.2 Vitaminas Outra causa nutricional que incide na manifestação de metrite, é a vitamina A, que faz parte do grupo de vitaminas lipossolúveis e tem relevância especial na função reprodutiva. Esta exerce sua ação sobre a integridade estrutural e funcional das células epiteliais do organismo animal, atua sobre o crescimento, a reprodução e o desenvolvimento embrionário; mas seu papel principal é atuar como protetora dos epitélios, incluindo o endométrio. Além disso, tem um efeito estabilizador sobre várias membranas celulares e atua regulando a permeabilidade da membrana. A vitamina A, atua como estimuladora dos epitélios da mucosa tubária, uterina e vaginal, aumentando sua resistência contra os agentes infecciosos que produzem problemas que finalizam em metrite, também é necessária para as alterações histológicas que ocorrem na mucosa durante as diferentes fases do ciclo estral. Uma deficiência de vitamina A, pode causar morte embrionária, aborto, bezerros fracos ao nascimento e de forma subsequente uma retenção de placenta, (BACH, 2000) devido a não regulação da filtração de líquidos e gases através das membranas fetais; também dificulta a fecundação, devido à geração de uma atresia ovariana e à degeneração do epitélio germinal. Além disso, são produzidos edemas que ocasionam bezerros mortos ou prematuros (natimortos), o que provoca uma posterior retenção de placenta. Estas retenções provocam metaplasia queratinizam-te, dos epitélios da mucosa uterina-vaginal, o que provoca o aparecimento de metrite. Também, uma deficiência de outras vitaminas provocam o aparecimento de pequenas hemorragias, inchaço vulvar e degeneração epitelial das mucosas, em geral, isto provoca uma endometrite que posteriormente torna-se em metrite devido ao que se afeta a submucosa e a camada muscular do útero. Em relação ao pós-parto precoce, a capacidade de consumo de alimentos (forragem) é limitada, o que conduz, principalmente, a uma deficiência de fibras cruas na ruminação do animal, que conduzirá, em algumas circunstâncias, à predisposição para o desenvolvimento de metrite. Atentos a essas intempéries, o produtor deve estar atento aos requerimento exigidos pelos animais de vitaminas para que possam manter seu funcionamento normal e longe de quaisquer problema ou agente infeccioso ou patógeno. Para tanto, os níveis de vitaminas por categoria animal, deve prezar pelas quantidades conforme demonstrado nas tabelas abaixo: Tabela 1: Exigências de vitaminas por categoria animal em bovinos de corte -/- Categoria Vitamina A (UI/dia) Vitamina E (mg/dia) Vitamina D (UI/dia) Niacina (g/dia) Vacas lactantes 80.000 – 120.000 100 – 1.000 15.000 – 50.000 1 - 2 Vacas secas 75.000 – 125.000 500 – 900 10.000 – 20.000 0 – 1 Fonte: BERCHIELLI et al., 2006. Tabela 2: Exigências de vitaminas em vacas gestantes de corte -/- Vitamina UI/kg de MS A 2.800 D 275 Fonte: BERCHIELLI et al., 2006. Para que se consiga suprir todas essas quantidades requeridas dos animais, em especial, das vacas gestantes para que não venha a ocorrer a incidência de metrite ou outro transtorno reprodutivo, o criador poderá optar pela injeção direta de complexos vitamínicos e minerais mediante os inúmeros fármacos da indústria farmacêutica animal, ou poderá suprir essas necessidades fisiológicas mediante o fornecimento de rações com teores adequados de vitaminas, ou ainda por intermédio de alimentos volumosos que além das vitaminas necessárias fornecem também as fibras. As forrageiras, leguminosas e gramíneas fornecem minerais, fibras e vitaminas; dentre elas as espécies tifton (capim) apresenta cerca de 34,8% de vitamina A, o capim-tanzânia apresenta 24% e a alfafa 23,4%. Por fim, métodos para fornecimento de fibras, vitaminas e/ou minerais não faltam. Apoio -/- Realização •_ _referências bibliográficas -/- BACH, Alex; ESPAÑA, Purina. La reproducción del vacuno lechero: Nutrición y fisiología. XVII Curso de Especialización FEDNA. Purina, España, 2002. BERCHIELLI, Telma Teresinha; PIRES, Alexandre Vaz; OLIVEIRA, SG de. Nutrição de ruminantes. Jaboticabal: funep, 2006. BOLAND, M. P. Efectos nutricionales en la reproducción del ganado. XXXI Jornadas Uruguayas de Buiatría, 2003. DA SILVA, Emanuel Isaque Cordeiro. Reprodução Animal: Fisiologia do Parto e da Lactação Animal. Disponível em:-. Acesso em: Março de 2020. DE LUCA, Leonardo J. Nutrición y fertilidad en el ganado lechero. XXXVI Jornadas Uruguayas de Buiatría, 2008. FÖLDI, J. et al. Bacterial complications of postpartum uterine involution in cattle. Animal reproduction science, v. 96, n. 3-4, p. 265-281, 2006. FRAZER, Grant S. Bovine theriogenology. Veterinary Clinics: Food Animal Practice, v. 21, n. 2, p. xiii-xiv, 2005. GORDON, Ian. Controlled reproduction in farm animals series. Nova Iorque: CAB International, 1996. MARÍN, Andrés Luis Martínez; CÁRDENAS, Juan F. Sánchez. Alimentación y reproducción en vacas lecheras. MG Mundo ganadero, n. 111, p. 48-54, 1999. RÚGELES, Clara. Interrelaciones entre nutrición y fertilidad en bovinos. Revista MVZ Córdoba, p. 24-30, 2001. -/- Emanuel Isaque Cordeiro da Silva Belo Jardim, 29 de março de 2020 . (shrink)

Los estudiantes de la Facultad de Ciencias Económicas y de Administración de la Universidad de la República deben realizar, como trabajo final de carrera, una investigación o ensayo monográfico en un área de su interés, tutorados por un docente universitario o un investigador de reconocida trayectoria. Un gran número de estos trabajos monográficos han hecho un aporte valioso al conocimiento pero, lamentablemente, la poca difusión de éstos hace que ese conocimiento termine olvidado en los fondos de la biblioteca de la (...) Facultad, entre cientos de producciones monográficas. Se pretende en este libro, mostrar los aportes que se han generado en el área tanto de Economía de la Cultura como de Gestión de Organizaciones Culturales. Varias de las monografías fueron realizadas en la línea de investigación Costos y Gestión de Organizaciones Culturales, la cual coordino. Otros fueron realizados con antelación, como los trabajos tutorados por el referente de la Economía de la Cultura en Uruguay, el hoy fallecido Luis Stolovich. También se incluyen dos trabajos monográficos tutorados por el Dr Gustavo Buquet, quien siempre está presente a la hora de crear investigación de calidad en Economía de la Cultura. Como cada trabajo supera el centenar de páginas, no es posible publicarlos completamente, por lo que para este libro se hicieron resúmenes de esos trabajos, intentando adecuar la terminología y quitándoles el formato estrictamente científico –poco amigable para un no especialista-, de forma tal que su lectura sea accesible al público en general. Se resumieron ocho, clasificados en tres capítulos: Patrimonio, Artes Escénicas e Industria Cultural. El capítulo de Patrimonio comienza con un trabajo realizado por las Economistas Fernanda Arezo y Verónica Pereyra, titulado “Museos y Ciudadanos, el comportamiento del consumidor”, tutorado por Raúl Ramírez y por mí. Este estudio tuvo como centro explicar la modalidad de conducta de consumo del visitante montevideano hacia tres importantes instituciones museísticas como lo son el Museo del Cabildo, el Museo del Carnaval y el Museo de Historia del Arte. El objetivo del trabajo es estimar la demanda y obtener un indicador de la propensión a pagar por el consumo de dichos museos. El segundo trabajo, titulado “Disposición a pagar por la restauración de la Puerta de la Ciudadela”, fue realizado por las Contadoras Beatriz Torres, María Elena Olarán y María Carolina Duarte, y tutorado en forma conjunta por el Phd. Juan José Goyeneche y quien les escribe. En este trabajo se realiza una valoración contingente para medir la disposición a pagar por la restauración de la “Puerta de la Ciudadela”, un monumento fundamental de identidad montevideana. El capítulo de Patrimonio finaliza con un trabajo realizado por las Economistas Malena Rodríguez y María de la Paz Besada y tutorado por el Ec. Luis Stolovich. El mismo se denomina “El arte uruguayo: un estudio sobre el mercado y la pintura como alternativa de inversión” y explora el mercado de arte uruguayo, analizando la rentabilidad de la inversión en pintura uruguaya. Tratan la rentabilidad de la inversión para tres casos específicos: las obras vendidas por el Banco Comercial en su proceso de recuperación de activos, un portafolio de obras de Pedro Figari y otro de Joaquín Torres García. En cuanto al segundo capítulo, Artes Escénicas, comienza con un trabajo realizado para la obtención del título de Contador Público realizado por Pamela Cambeiro, Martín Cami e Ignacio Mouradián. Se denomina “La gestión de teatros. Caso de estudio: Aplicación del Cuadro de Mando Integral al Teatro Solís” y trata sobre la identificación de indicadores que faciliten las tareas de gestión para la dirección del Teatro. Luego se presenta un trabajo realizado por las Economistas Tania Cruz y Natalia Nollenberger titulado “Análisis económico del teatro independiente en Montevideo: una aproximación al problema de la fatalidad de los costos”. Este trabajo, también tutorado por el Ec. Luis Stolovich, muestra un exhaustivo análisis del teatro independiente montevideano identificando los problemas económicos que afectan al sector. El capítulo de Industria Cultural incluye tres trabajos. El primero, fue realizado por el Economista Diego Traverso y tutorado por el Dr. Gustavo Buquet, y su título es “Análisis de competitividad del sector exportador de Productoras Audiovisuales Publicitarias en Uruguay”. El sector audiovisual publicitario es un sector dinámico que se ha internacionalizado tempranamente y que generó divisas para el país del orden de los US$ 24 millones durante el año 2005 por concepto de exportaciones. En este trabajo se caracteriza al sector audiovisual publicitario en Uruguay y se analiza las ventajas competitivas que posee frente a sus principales competidores extranjeros. El segundo trabajo fue realizado por las Contadoras Natalia Rivera, Antonella Triay y María Eugenia Triay y se denomina “Gestión aplicada a las empresas radiales”. En este se identifican el sector radial, su proceso productivo y la complejidad al definir al “cliente”. Se proponen una serie de indicadores con el doble objetivo de medir el desempeño de la empresa y proveer incentivos a su organización. Finalmente, el último trabajo monográfico, fue una investigación interdisciplinaria, que sirvió simultáneamente para obtener el título de Licenciado en Economía a Ernesto Pienika y el de Licenciado en Administración a Nicolás Cohnheim y a Damián Geinsinger. Este trabajo, tutorado por el Dr. Gustavo Buquet y el Cr. Cecilio García de título “Impactos de las nuevas tecnologías en la .industria musical”, muestra cuáles son los principales impactos en esa industria que las nuevas tecnologías han provocado y cuáles son las posibles estrategias para adaptarse a estos cambios, así como los nuevos modelos de negocio. Espero que este libro sea el primero de una larga lista. Las áreas de Economía de la Cultura y Gestión de Organizaciones Culturales son disciplinas jóvenes que necesitan seguir creciendo. La investigación realizada por trabajos monográficos de fin de carrera en estas áreas, será siempre bienvenida. (shrink)

The two main theories of perceptual reasons in contemporary epistemology can be called Phenomenalism and Factualism. According to Phenomenalism, perceptual reasons are facts about experiences conceived of as phenomenal states, i.e., states individuated by phenomenal character, by what it’s like to be in them. According to Factualism, perceptual reasons are instead facts about the external objects perceived. The main problem with Factualism is that it struggles with bad cases: cases where perceived objects are not what they appear or where there (...) is no perceived object at all. The main problem with Phenomenalism is that it struggles with good cases: cases where everything is perfectly normal and the external object is correctly perceived, so that one’s perceptual beliefs are knowledge. In this paper we show that there is a theory of perceptual reasons that avoids the problems for Factualism and Phenomenalism. We call this view Propositionalism. We use ‘proposition’ broadly to mean the entities that are contents of beliefs and other doxastic attitudes. The key to finding a middle ground between Phenomenalism and Factualism, we claim, is to allow our reasons to be false in bad cases. Despite being false, they are about the external world, not our phenomenal states. (shrink)

Much of our know-how is acquired through practice: we learn how to cook by cooking, how to write by writing, and how to dance by dancing. As Aristotle argues, however, this kind of learning is puzzling, since engaging in it seems to require possession of the very knowledge one seeks to obtain. After showing how a version of the puzzle arises from a set of attractive principles, I argue that the best solution is to hold that knowledge-how comes in degrees, (...) and through practice a person gradually learns how to do something. However, the two standard accounts of know-how in the literature, intellectualism and anti-intellectualism, cannot properly account for the distinctive way in which know-how is gradually acquired by practice, a process in which conceptual representations and practical abilities are intimately interwoven. Drawing on Gareth Evans's work, I outline an account that may do so, and use this account to distinguish between two forms of learning to explain why skill generally cannot be learnt through testimony, and requires practice. (shrink)

This article aims to develop a new account of scientific explanation for computer simulations. To this end, two questions are answered: what is the explanatory relation for computer simulations? And what kind of epistemic gain should be expected? For several reasons tailored to the benefits and needs of computer simulations, these questions are better answered within the unificationist model of scientific explanation. Unlike previous efforts in the literature, I submit that the explanatory relation is between the simulation model and the (...) results of the simulation. I also argue that our epistemic gain goes beyond the unificationist account, encompassing a practical dimension as well. (shrink)

Self-control is the ability to inhibit temptations and persist in one’s decisions about what to do. In this article, we review recent evidence that suggests implicit beliefs about the process of self-control influence how the process operates. While earlier work focused on the moderating influence of willpower beliefs on depletion effects, we survey new directions in the field that emphasize how beliefs about the nature of self-control, self-control strategies, and their effectiveness have effects on downstream regulation and judgment. These new (...) directions highlight the need to better understand the role of self-control beliefs in naturalistic decision-making. (shrink)

Does self-control require willpower? The question cuts to the heart of a debate about whether self-control is identical with some psychological process internal to the agents or not. Noticeably absent from these debates is systematic evidence about the folk-psychological category of self-control. Here, we present the results of two behavioral studies (N = 296) that indicate the structure of everyday use of the concept. In Study 1, participants rated the degree to which different strategies to respond to motivational conflict exemplify (...) self-control. Participants distinguished between intra-psychic and externally-scaffolded strategies and judged that the former exemplified self-control more than the latter. In Study 2, participants provided various solutions to manage motivational conflict and rated their proposals on effectiveness. Participants produced substantially more intra-psychic strategies, rated them as more effective, and advised them at a higher rate than externally-scaffolded strategies. Taken together, these results suggest that while people recognize a plurality of strategies as genuine instances of self-control, purely internal exercises of self-control are considered more prototypical than their externally-scaffolded counterparts. This implies a hierarchical structure for the folk psychological category of self-control. The concept encompasses a variety of regulatory strategies and organizes these strategies along a hierarchical continuum, with purely intra-psychic strategies at the center and scaffolded strategies in the periphery. (shrink)

One of the ideas that characterises the enactive approach to cognition is that life and mind are deeply continuous, which means that both phenomena share the same basic set of organisational and phenomenological properties. The appeal to phenomenology to address life and basic cognition is controversial. It has been argued that, because of its reliance on phenomenological categories, enactivism may implicitly subscribe to a form of anthropomorphism incompatible with the modern scientific framework. These worries are a result of a lack (...) of clarity concerning the role that phenomenology can play in relation to biology and our understanding of non-human organisms. In this paper, I examine whether phenomenology can be validly incorporated into the enactive conception of mind and life. I argue that enactivists must rely on phenomenology when addressing life and mind so that they can properly conceptualise minimal living systems as cognitive, as well as argue for an enactive conception of biology in line with their call for a non-objectivist science. To sustain these claims, I suggest that enactivism must be further phenomenologised by not only drawing from Hans Jonas’s phenomenology of the organism (as enactivists often do) but also from Edmund Husserl’s thoughts on the connection between transcendental phenomenology and biology. Additionally, phenomenology must be considered capable of providing explanatory accounts of phenomena. (shrink)

This book addresses key conceptual issues relating to the modern scientific and engineering use of computer simulations. It analyses a broad set of questions, from the nature of computer simulations to their epistemological power, including the many scientific, social and ethics implications of using computer simulations. The book is written in an easily accessible narrative, one that weaves together philosophical questions and scientific technicalities. It will thus appeal equally to all academic scientists, engineers, and researchers in industry interested in questions (...) related to the general practice of computer simulations. (shrink)

Evidentialism and Reliabilism are two of the main contemporary theories of epistemic justification. Some authors have thought that the theories are not incompatible with each other, and that a hybrid theory which incorporates elements of both should be taken into account. More recently, other authors have argued that the resulting theory is well- placed to deal with fine-grained doxastic attitudes (credences). In this paper I review the reasons for adopting this kind of hybrid theory, paying attention to the case of (...) credences and the notion of probability involved in their treatment. I argue that the notion of probability in question can only be an epistemic (or evidential) kind of probability. I conclude that the resulting theory will be incompatible with Reliabilism in one important respect: it cannot deliver on the reductivist promise of Reliabilism. I also argue that attention to the justification of basic beliefs reveals limitations in the Evidentialist framework as well. The theory that results from the right combination of Evidentialism and Reliabilism, therefore, is neither Evidentialist nor Reliabilist. (shrink)

Many philosophers hold that if an agent acts intentionally, she must know what she is doing. Although the scholarly consensus for many years was to reject the thesis in light of presumed counterexamples by Donald Davidson, several scholars have recently argued that attention to aspectual distinctions and the practical nature of this knowledge shows that these counterexamples fail. In this paper I defend a new objection against the thesis, one modelled after Timothy Williamson’s anti-luminosity argument. Since this argument relies on (...) general principles about the nature of knowledge rather than on intuitions about fringe cases, the recent responses that have been given to defuse the force of Davidson’s objection are silent against it. Moreover, the argument suggests that even weaker theses connecting practical entities with knowledge are also false. Recent defenders of the thesis that there is a necessary connection between knowledge and intentional action are motivated by the insight that this connection is non-accidental. I close with a positive proposal to account for the non-accidentality of this link without appeal to necessary connections by drawing an extended analogy between practical and perceptual knowledge. (shrink)

En este trabajo ofrezco una interpretación de la concepción heideggeriana del organismo biológico presente en sus cursos de 1929. Para ello, primero enmarcaré la discusión dentro de la interpretación heideggeriana del naturalismo y su manera de entender la relación entre filosofía y ciencia. Luego, analizaré su interpretación de la embriología y la ecología mediante la cual Heidegger esboza aportes originales a la filosofía de la biología, especialmente en torno al problema de la identidad del organismo biológico. Finalmente, mostraré cómo esta (...) interpretación supone una profunda crítica a las concepciones sustancialistas del organismo a favor de una concepción relacional y procesual. (shrink)

From our everyday commuting to the gold medalist’s world-class performance, skillful actions are characterized by fine-grained, online agentive control. What is the proper explanation of such control? There are two traditional candidates: intellectualism explains skillful agentive control by reference to the agent’s propositional mental states; anti-intellectualism holds that propositional mental states or reflective processes are unnecessary since skillful action is fully accounted for by automatic coping processes. I examine the evidence for three psychological phenomena recently held to support anti-intellectualism and (...) argue that it supports neither traditional candidate, but an intermediate attention-control account, according to which the top-down, intention-directed control of attention is a necessary component of skillful action. Only this account recognizes both the role of automatic control in skilled action and the need for higher-order cognition to thread automatic processes together into a unified, skillful performance. This applies to bodily skillful action in general, from the world-class performance of experts to mundane, habitual action. The attention-control account stresses that, for intentions to play their role as top-down modulators of attention, agents must sustain the intention’s activation; hence, the need for reflecting throughout performance. (shrink)

Ontologies are some of the most central constructs in today's large plethora of knowledge technologies, namely in the context of the semantic web. As their coinage indicates, they are direct heirs to the ontological investigations in the long Western philosophical tradition, but it is not easy to make bridges between them. Contemporary ontological commitments often take causality as a central aspect for the ur-segregation of entities, especially in scientific upper ontologies; theories of causality and philosophical ontological investigations often go hand-in-hand, (...) and were essentially inseparable in medieval thought. This constitutes the foundation for a bridge, and this article analyzes the causality-based ontology of the late medieval philosopher Dietrich of Freiberg from the viewpoint of today's upper-ontology engineering. In this bridging attempt, it offers a translation into English of the first part of Dietrich's De origine (abbreviated title) that is a compromise between traditional scholarly translations of medieval Latin philosophical texts and contemporary ontology. (shrink)

A new proof style adequate for modal logics is defined from the polynomial ring calculus. The new semantics not only expresses truth conditions of modal formulas by means of polynomials, but also permits to perform deductions through polynomial handling. This paper also investigates relationships among the PRC here defined, the algebraic semantics for modal logics, equational logics, the Dijkstra???Scholten equational-proof style, and rewriting systems. The method proposed is throughly exemplified for S 5, and can be easily extended to other modal (...) logics. (shrink)

A central debate in philosophy of action concerns whether agential knowledge, the knowledge agents characteristically have of their own actions, is inferential. While inferentialists like Sarah Paul hold that it is inferential, others like Lucy O’Brien and Kieran Setiya argue that it is not. In this paper, I offer a novel argument for the view that agential knowledge is non-inferential, by posing a dilemma for inferentialists: on the first horn, inferentialism is committed to holding that agents have only alienated knowledge (...) of their own actions; on the second horn, inferentialism is caught in a vicious regress. Neither option is attractive, so inferentialism should be rejected. (shrink)

Why should we avoid incoherence? An influential view tells us that incoherent combinations of attitudes are such that it is impossible for all of those attitudes to be simultaneously vindicated by the evidence. But it is not clear whether this view successfully explains what is wrong with certain akratic doxastic states. In this paper I flesh out an alternative response to that question, one according to which the problem with incoherent combinations of attitudes is that it is impossible for all (...) of those attitudes to be simultaneously knowledgeable. This alternative response explains what is wrong with akratic combinations of attitudes using commonly accepted epistemological theses. The paper still shows how this proposal is able to explain the badness of incoherent combinations involving the absence of attitudes, suspended judgment and credence. These explanations deploy the notions of knowledge and being in a position to know, instead of the notion of responding properly to the evidence. Finally, I suggest that this picture can be generalized to the realm of practical rationality as well. (shrink)

By elaborating on the results presented in Lógica cuántica, Nmatrices y adecuación I, here we discuss the notions of adequacy and truth functionality in quantum logic from the point of view of a non-deterministic semantics based on Nmatrices. We present a proof of the impossibility of providing a functional semantics for the quantum lattice. An advantage of our proof is that it is independent of the number of truth values involved, generalizing previous works. Due to the impossibility of defining adequate (...) interpreting sets for the conjunction and disjunction (as was shown in our previous work), it follows that a homomorphism between the lattice of quantum projections and a Boolean algebra of n-elements cannot exist. (shrink)

Philosophy and Phenomenological Research, EarlyView.

In the last decades there has been a great controversy about the scientific status of emotion categories. This controversy stems from the idea that emotions are heterogeneous phenomena, which precludes classifying them under a common kind. In this article, I analyze this claim—which I call the Variability Thesis—and argue that as it stands, it is problematically underdefined. To show this, I examine a recent formulation of the thesis as offered by Scarantino (2015). On one hand, I raise some issues regarding (...) the logical structure of the claim. On the other hand, and most importantly, I show that the Variability Thesis requires a consensus about what counts as a relevant pattern of response in different domains, a consensus that is lacking in the current literature. This makes it difficult to assess what counts as evidence for or against this thesis. As a result, arguments based on the Variability Thesis are unwarranted. This raises serious concerns about some current empirical theories of emotions, but also sheds light on the issue of the scientific status of emotion categories. (shrink)

Researchers often claim that self-control is a skill. It is also often stated that self-control exertions are intentional actions. However, no account has yet been proposed of the skillful agency that makes self-control exertion possible, so our understanding of self-control remains incomplete. Here I propose the skill model of self-control, which accounts for skillful agency by tackling the guidance problem: how can agents transform their abstract and coarse-grained intentions into the highly context-sensitive, fine-grained control processes required to select, revise and (...) correct strategies during self-control exertion? The skill model borrows conceptual tools from ‘hierarchical models’ recently developed in the context of motor skills, and asserts that self-control crucially involves the ability to manage the implementation and monitoring of regulatory strategies as the self-control exercise unfolds. Skilled agents are able do this by means of flexible practical reasoning: a fast, context-sensitive type of deliberation that incorporates non-propositional representations into the formation and revision of the mixed-format intentions that structure self-control exertion. The literatures on implementation intentions and motivation framing offer corroborating evidence for the theory. As a surprising result, the skill of self-control that allows agents to overcome the contrary motivations they experience is self-effacing: instead of continuously honing this skill, expert agents replace it with a different one, which minimizes or prevents contrary motivations from arising in the first place. Thus, the more expert you are at self-control, the less likely you are to use it. (shrink)

La migración internacional nos enfrenta con problemas irresolubles desde la figura moderna del Estado nacional, su concepto de ciudadanía y su noción de justicia. Juan Carlos Velasco critica las limitaciones y la orientación de las políticas contemporáneas que nos hacen percibir a la migración como una “invasión”, y propone un modo radicalmente diferente de entender e intervenir el fenómeno desde lo trasnacional. Nacer de uno u otro lado de una línea divisoria es un evento azaroso, no obstante delimitar la (...) frontera es una construcción histórico-política: la desigualdad en las oportunidades que ofrecen las naciones es una situación estructural de injusticia que se perpetúa con las políticas de exclusión de los migrantes y la deslegitimación de su derecho a buscar una vida mejor. Esa circunstancia genera fracturas sociales, injustificables pero normalizadas, que imposibilitan alcanzar la justicia global. Velasco presenta un análisis completo que abarca las dimensiones política, jurídica y moral del tema, en el que lleva a la filosofía política a un terreno práctico del que se desprenden las claves para entender y actuar en esta nueva era en la que, debido a los conflictos sociales y políticos, la migración vuelve a ser argumento de discusión relevante. (Texto de la CONTRAPORTADA del libro). (shrink)

Gibson defined affordances as action possibilities directly offered to an animal by the environment. Ambitiously, affordances are meant to show the inadequacy of the subjective-objective dichotomy in the study of cognition. Armed with similar concerns, some neo-Gibsonians recently thought of affordances as latent dispositions existing independently of individual organisms or whole species. It is no coincidence that critics had, on several occasions, objected that this theoretical stance dramatically neglects the role of the perceiver in the emergence of affordances. In this (...) paper, we provide a phenomenological characterization of the perceiver’s role in affordance perception. Specifically, we borrow from Husserlian phenomenology to characterize two features of affordance perception that can enrich our understanding of the individual’s engagement with the environment, namely, its affective and temporal aspects. Taking an everyday activity such as rock climbing as a case example, we show that phenomenological investigations, if not misinterpreted as mere introspection, can represent an ally for ecological psychologists. (shrink)

Let T be any logical truth. Does the subject know that T (any random subject)? It is not rational for any subject to believe that they don’t, whoever they are. Similarly, it is not rational for them to believe that their evidence doesn’t support T, and it is not even rational for them to believe that they don’t believe that T. It is not rational for anyone anywhere at any time to believe that they don’t know that T. Such are (...) the conclusions arrived at in this paper. (shrink)

Effort and the feeling of effort play important roles in many theoretical discussions, from perception to self-control and free will, from the nature of ownership to the nature of desert and achievement. A crucial, overlooked distinction within the philosophical and scientific literatures is the distinction between theories that seek to explain effort and theories that seek to explain the feeling of effort. Lacking a clear distinction between these two phenomena makes the literature hard to navigate. To advance in the unification (...) and development of this area, this article provides an overview of the main theories of the nature of effort and the nature of the feeling of effort, and then discusses how efforts and their feelings are related. Two key takeaways emerge. First, there is widespread agreement that efforts are goal-directed actions. Second, one of the main philosophical issues to be decided is whether feelings of effort should be defined by reference to efforts (effort-first approach), or whether efforts are defined by reference to the feeling of effort (feeling-first approach). (shrink)

Leibniz endorses several tenets regarding explanation: (1) causes provide contrastive explanations of their effects, (2) the past and the future can be read from the present, and (3) primitive force and derivative forces drive and explain changes in monadic states. I argue that, contrary to initial appearances, these tenets do not preclude an intelligible conception of contingency in Leibniz’s system. In brief, an agent is free to the extent that she determines herself to do that which she deliberately judges to (...) be the best from several considered options that she could have brought about, had she come to the deliberative conclusion that these options were best. I develop a model which illustrates how Leibnizian agents could have come to different deliberative conclusions, and which thus illustrates how Leibnizian agents could have acted differently. (shrink)

According to intellectualists, the will is a rational inclination towards apprehended goodness. This conception of the will makes its acts intelligible: they are explained by (i) the nature of the will as a rational inclination, and (ii) the judgement of the intellect that moves the will. From this it follows that it is impossible for an agent to will evil as such or for its own sake. In explaining wrongdoing intellectualists cite cognitive error or the disruptive influences of the passions; (...) these considerations, however, seem involuntary and at least partly exculpatory. The intellectualist needs an account that renders wrongful actions intelligible without undermining their status as responsible. I argue that Leibniz has the theoretical tools to provide at least part of an answer to this problem. In sum, an agent is directly responsible for her wrongdoing if the cognitive error or the disruptive influence of the passions that help explain this wrongdoing do not completely undermine her acting freely; an agent is indirectly responsible for her wrongdoing if she is directly responsible for previous actions which partly resulted in her wrongdoing, even if the presence of cognitive error or disruptive influence of the passions completely undermines her acting freely. (shrink)

In this paper I argue that many scholars involved in the contemporary free will debates have underappreciated the philosophical appeal of agent causation because the resources of contemporary emergentism have not been adequately introduced into the discussion. Whereas I agree that agent causation’s main problem has to do with its intelligibility, particularly with respect to the issue of how substances can be causally relevant, I argue that the notion of substance causation can be clearly articulated from an emergentist framework. According (...) to my proposal, a free agent is _a causally powerful substance that emerges in an anomic way from her constitutive mental events_, downwardly constraining, selecting and, in this way, having control on them. As we shall see, this particular concept of agent causation not only makes sense of the deep insight behind agent libertarianism, but it also provides us with the resources to solve some of the main objections that have been raised against it. It is true that here I cannot develop a complete defense of the evidential credentials of emergentism. Still, even if the considerations that follow do not serve to convince detractors of agent causal libertarian accounts of free will, they do suggest that libertarian agent causation is more promising than is typically acknowledged. (shrink)

In this paper I present reasons for us to accept the hypothesis that suspended judgment has correctness conditions, just like beliefs do. Roughly put, the idea is that suspended judgment about p is correct when both p and ¬p might be true in view of certain facts that characterize the subject’s situation. The reasons to accept that hypothesis are broadly theoretical ones: it adds unifying power to our epistemological theories, it delivers good and conservative consequences, and it allows us to (...) assess processes of reasoning involving attitudes of suspended judgment. (shrink)

Richard Feldman has proposed and defended different versions of a principle about evidence. In slogan form, the principle holds that ‘evidence of evidence is evidence’. Recently, Branden Fitelson has argued that Feldman’s preferred rendition of the principle falls pray to a counterexample related to the non-transitivity of the evidence-for relation. Feldman replies arguing that Fitelson’s case does not really represent a counterexample to the principle. In this note, we argue that Feldman’s principle is trivially true.

Aesthetic subjectivism takes the truth of aesthetic judgments to be relative to the individual making that judgment. Despite widespread suspicion, however, this does not mean that one cannot be wrong about such judgments. Accordingly, this does not mean that one cannot gain higher-order evidence of error and fallibility that bears on the rationality of the aesthetic judgment in question. In this paper, we explain and explore these issues in some detail.

I discuss Turri's puzzle about withholding. I argue that attention to the way in which evidence can justify withholding dissolves the puzzle.

I argue that normative requirements should be interpreted as the conditional obligations of dyadic deontic logic. Semantically, normative requirements are conditionals understood as restrictors, the prevailing view of conditionals in linguistics. This means that Modus Ponens is invalid, even when the premises are known.

Carlos Vaz Ferreira argues that the problem of freedom is conceptually distinct from the problem of causal determinism. The problem of freedom is ultimately a problem regarding the ontologically independent agency of a being, and the problem of determinism is a problem regarding explanations of events or acts in terms of the totality of their antecedent causal conditions. As Vaz Ferreira sees it, failing to keep these problems apart gives rise to merely apparent but unreal puzzles pertaining to the nature (...) of freedom and its relation to determinism. In this article, I present my interpretation of Vaz Ferreira’s distinctive ideas regarding the nature of freedom and its relation to casual determinism. (shrink)

To most of us – believers and non-believers alike – the possibility of a perfect God co-existing with the kinds of evil that we see calls out for explanation. It is unsurprising, therefore, that the belief that God must have justifying reasons for allowing all the evil that we see has been a perennial feature of theistic thought. Recently, however, a growing number of authors have argued that the existence of a perfect God is compatible with the existence of gratuitous (...) evil. Given powerful, millenia-long sensibilities about power and love and justice, it isn’t hard to find that suggestion simply incredible. Nonetheless, in this paper I will argue that the most prominent theistic alternatives to what has seemed incredible to most of us throughout most of history are themselves patently unacceptable for the theist as well. On any of the most widely accepted accounts of how God could have justifying reasons for permitting some evils, God’s existence means that we have justifying reasons for perpetrating and allowing every evil that we see. That's hard to swallow too. If I’m right about all of this, then two competing outcomes seem to present themselves as a possible result. On the one hand, for the theist, the apparently outrageous suggestion that the existence of a perfect God is compatible with gratuitous evil no longer looks like it faces a formidable, hard-to-resist alternative. On the other hand, some like me might think that my arguments go no distance at all towards dispelling the incredibility of the gratuitous evil nouvelle vague. On this line, theism may seem now to be between the rock and the hard place: it seems hard to make sense of the existence of a perfect God whether or not He has justifying reasons for allowing all the evil that we see. (shrink)

This paper investigates ‘authoritative knowledge’, a neglected species of practical knowledge gained on the basis of exercising practical authority. I argue that, like perceptual knowledge, authoritative knowledge is non-inferential. I then present a broadly reliabilist account of the process by which authority yields knowledge, and use this account to address certain objections.