An old and well-known objection to non-classical logics is that they are too weak; in particular, they cannot prove a number of important mathematical results. A promising strategy to deal with this objection consists in proving so-called recapture results. Roughly, these results show that classical logic can be used in mathematics and other unproblematic contexts. However, the strategy faces some potential problems. First, typical recapture results are formulated in a purely logical language, and do not generalize nicely to languages containing (...) the kind of vocabulary that usually motivates non-classical theories—for example, a language containing a naïve truth predicate. Second, proofs of recapture results typically employ classical principles that are not valid in the targeted non-classical system; hence, non-classical theorists do not seem entitled to those results. In this paper, we analyze these problems and provide solutions on behalf of non-classical theorists. To address the first problem, we provide a novel kind of recapture result, which generalizes nicely to a truth-theoretic language. As for the second problem, we argue that it relies on an ambiguity and that, once the ambiguity is removed, there are no reasons to think that non-classical logicians are not entitled to their recapture results. (shrink)

According to Martha Nussbaum, treating animals justly is a matter of guaranteeing each individual those capabilities up to a minimum threshold that are essential for flourishing as a member of a particular species. Nussbaum’s basic theoretical framework is acceptable; however, a capability which Nussbaum thinks is not essential for the flourishing, the oppor­tunity to kill as a part of exercising predatory instinct, may in fact be essential for predator flourishing. Nussbaum ought to be concerned with the possibility that this capability (...) is essential, since if it is, it is likely that in doing less harm than good we will also be treating some predators unjustly by denying them the opportunity to flourish. (shrink)

The present work looks at what we call “the multiverse of quantification”, where visible and invisible numbers permeate all aspects and venues of life. We review the contributions of different authors who focus on the roles of quantification in society, with the aim of capturing different and sometimes separate voices. Several scholars, including economists, jurists, philosophers, sociologists, communication and data scientists, express concerns or identify critical areas of our relationship with new technologies of ‘numericization’. While mindful of the important specificities (...) of the different families of quantification, we use our broad and holistic canvas to explore possible spaces for a more systematic investigation of incumbent and novel quantifications, as to increase communication among disciplinary communities, and among these and society, in the pursuit a democratic agency and self-defence. (shrink)

This article details the variety of critical strategies in Mary Wollstonecraft’s A Vindication of the Rights of Woman, finding strong connections with her writing as a reviewer for the Analytical Review, the literary review published by the reformer and Dissenter Joseph Johnson. In Rights of Woman, Wollstonecraft employed textual analyses and an evolving set of theoretical positions that had been introduced in the course of her career at the Analytical Review. By elucidating the importance of the reviews and the specificity (...) of Wollstonecraft’s procedures, this article contributes to a growing consensus that Rights of Woman initiated feminist literary criticism. (shrink)

We argue that, in the case of research biobanks, there is a need to replace the currently used informed consent with trusted consent. Accordingly, we introduce a proposal for the structure of the latter. Further, we discuss some of the issues that can be addressed effectively through our proposal. In particular, we illustrate: i) which research should be authorized by donors; ii) how to regulate access to information; iii) the fundamental role played by a Third Party Authority in assuring compliance (...) with the reciprocal expectations and obligations of donors and scientists. Finally, we briefly analyse two issues that might represent important elements of a ‘new alliance’ between researchers and donors to which the trusted consent could pave the way: i) the correlations between needs and rights of the two parties, and ii) possible economic transactions. (shrink)

A pandemia da Covid-19 transformou realidades e exigiu comportamentos sociais jamais experienciados que, na dimensão eclesial, vêm revelando compreensões e posturas inadequadas à mistagogia evangélica, mas que também podem provocar um discipulado missionário ad extra, na concepção de Igreja Povo de Deus. Portanto, o presente artigo objetivou, a partir de uma hermenêutica de Mc 4,35-41, refletir sobre o protagonismo laical em tempos de pandemia, sua autocompreensão eclesial e seu posicionamento diante da crise sanitária. Para tanto, estruturou-se em três pontos: teceu (...) uma compreensão da perícope marcana à luz da pandemia; refletiu sobre a postura do laicato em meio a crise sanitária e, por fim, teceu pistas para um agir missionário coerente ao discipulado, concluindo que mesmo em meio a posturas inadequadas o laicato é fortemente chamado ao protagonismo eclesial contribuindo para a superação da crise sanitária provocada pelo novo coronavírus. (shrink)

By stating that "only one died for all," "so that those who live should no longer live for themselves but for him who died and was raised for them" Paul precedes the following expression: " the love of Christ compels us ". As Christ left his example, Christians should love and assign themselves tasks on community service, be dedicated and taking responsibility for others. This article aims to reflect on the pastoral implications concerning the concept of "new creatures" with a (...) focus on self-giving and responsibility for others. Therefore, at first, it reflects on the concept of "new creatures", emphasizing the love of Christ as motivation for the practice on Christian life. Then presents discipleship in self-giving, a result of the new life in Christ, elements that allow us to present the concept of responsibility for others from the community service. It concludes that "living for Christ" implies a pastoral practice in which: a) the redeeming love of Christ compels a person to a new life and requires attitudes according to this love; b) Serving the community in self-giving is consequence of this new life; c) Community dimension leads to participation in building the Kingdom of God and takes to the responsibility for others. (shrink)

The Jesuit theologian, Francisco Suarez, is know as the «father of modern scientific Mariology» because of the innovations he brought to the Scholastic treatment of the Virgin Mary. Commenting on the third part of the Summa Theologica of St. Thomas, at the Roman College in 1584-85, he developed 24 questions under the title De Deipara et Christo ut eius Filio, material which to this day has remained unpublished. In the present essay, the author discusses the role of Mary in the (...) life and works of Suarez, revealing his faith in the Immaculate Conception and at the same time the need to establish in the Virgin the human debt or necessary participation in Original Sin. Then he deals with Suarez's 24 questions, material conserved in the archives of the Pontifical Gregorian University. In these questions, he insists, we find the first systematic treatise on Mary, a work which demonstrates a logical and unitary division, clearly different from the chronological order of Thomas's Summa. Suárez divides his work into three parts: the dignity of the Mother of God, her perfection in body and soul, and the veneration due to her. (shrink)

O presente artigo vem refletir sobre a crise do sacramento da penitência. Nesse contexto, apresenta-a como originária no relativismo e na distorção da noção de pecado presentes na sociedade atual. Por fim, apresenta os desafios atuais provenientes dessa reflexão, abrindo possibilidades para futuras reflexões e maior aprofundamento sobre o tema.

Intorno alla problematica del vuoto e alla sua dialettica col "pieno" si è giocata anche l'incerta, secolare partita tra libertà e senso. La questione riguarda non solo l'ambito filosofico, interessando la fisica innanzitutto, la psicoanalisi, le arte e l'estetica. Nel ricapitolare la storia culturale della questione, il volume vuol dar conto sinteticamente del tema del vuoto quindi nella tradizione kenotica cristiana, nell'attuale antropologia filosofica e in architettura, senza tralasciare la dimensione intrapsichica, sia nelle tradizioni della meditazione taoista e zen, sia (...) nella psicologia del profondo. (shrink)

The volume will implement the research efforts of both Machiavelli scholars and those in related general and specific fields.

Connexive logics are based on two ideas: that no statement entails or is entailed by its own negation (this is Aristotle’s thesis) and that no statement entails both something and the negation of this very thing (this is Boethius' thesis). Usually, connexive logics are contra-classical. In this note, I introduce a reading of the connexive theses that makes them compatible with classical logic. According to this reading, the theses in question do not talk about validity alone; rather, they talk in (...) part about (a property related to) the soundness of arguments. (shrink)

Institute for Biomedical Ethics, Geneva University Medical School * Corresponding author: Médecins Sans Frontières (OCG), rue de Lausanne 78, CH-1211 Geneva 21, Switzerland. Tel.: +41 (0)22 849 89 29; Fax: +41 (0)22 849 84 88; Email: philippe_calain{at}hotmail.com ' + u + '@' + d + ' '//--> Abstract Outbreaks of filovirus (Ebola and Marburg) hemorrhagic fevers in Africa are typically the theater of rescue activities involving international experts and agencies tasked with reinforcing national authorities in clinical management, biological diagnosis, sanitation, (...) public health surveillance and coordination. These outbreaks can be seen as a paradigm for ethical issues posed by epidemic emergencies, through the convergence of such themes as: isolation and quarantine, privacy and confidentiality and the interpretation of ethical norms across different ethnocultural settings. With an emphasis on the boundaries between public health investigations and research, this article reviews specific challenges, past practices and current normative documents relevant to the application of ethical standards in the course of outbreaks of filovirus hemorrhagic fevers. Aside from commonly identified issues of informed consent and institutional review processes, we argue for more clarity over the specification of which communities are expected to share benefits, and we advocate for the use of collective definitions of duty to care and standard of care. We propose new elaborations around existing normative instruments, and we suggest some pathways toward more comprehensive approaches to the ethics of research in outbreak situations. CiteULike Connotea Del.icio.us What's this? (shrink)

Biografia leonardiana, con brevi cenni all'attività scientifica e artistica.

When logicians work with multiple-conclusion systems, they use a metalinguistic comma ‘,’ to aggregate premises and/or conclusions. In this note, I present an analogy between this comma and Prior’s infamous connective tonk. The analogy reveals that these expressions have much in common. I argue that, indeed, the comma can be seen as a structural incarnation of tonk. The upshot is that, whatever story one has to tell about tonk, there are good reasons to tell a similar story about the comma (...) in typical multiple-conclusion systems, and vice versa. (shrink)

We discuss the meaning of “being alive” and “being dead.” Our primary aim is to pave the way for a sound and accurate ethical debate concerning these two concepts. In particular, we analyze a metabolic approach and a genetic one and discuss the reasons for their failure to constitute a good starting point for successive debates. We argue that any ethical or social discussion of topics involving life and death must introduce cultural constructs such as, on the one hand, the (...) concept of clinical death and, on the other hand, the concept of existence. We argue that these two cultural constructs, although consistent with biomedical knowledge, cannot be ontologically grounded in it. To conclude, we apply our findings to the case of human embryos. (shrink)

Recently, it has been proposed to understand a logic as containing not only a validity canon for inferences but also a validity canon for metainferences of any finite level. Then, it has been shown that it is possible to construct infinite hierarchies of "increasingly classical" logics—that is, logics that are classical at the level of inferences and of increasingly higher metainferences—all of which admit a transparent truth predicate. In this paper, we extend this line of investigation by taking a somehow (...) different route. We explore logics that are different from classical logic at the level of inferences, but recover some important aspects of classical logic at every metainferential level. We dub such systems meta-classical non-classical logics. We argue that the systems presented deserve to be regarded as logics in their own right and, moreover, are potentially useful for the non-classical logician. (shrink)

Tarski asked whether the arithmetic identities taught in high school are complete for showing all arithmetic equations valid for the natural numbers. The answer to this question for the language of arithmetic expressions using a constant for the number one and the operations of product and exponentiation is affirmative, and the complete equational theory also characterises isomorphism in the typed lambda calculus, where the constant for one and the operations of product and exponentiation respectively correspond to the unit type and (...) the product and arrow type constructors. This paper studies isomorphisms in typed lambda calculi with empty and sum types from this viewpoint. Our main contribution is to show that a family of so-called Wilkie–Gurevič identities, that plays a pivotal role in the study of Tarski’s high school algebra problem, arises from type-theoretic isomorphisms. We thus close an open problem by establishing that the theory of type isomorphisms in the presence of product, arrow, and sum types is not finitely axiomatisable. Further, we observe that for type theories with arrow, empty and sum types the correspondence between isomorphism and arithmetic equality generally breaks down, but that it still holds in some particular cases including that of type isomorphism with the empty type and equality with zero. (shrink)

In this paper, Andrea Fiore sketches the notion of familiarity in Dewey's thought, particularly in its relations with education, aesthetics, and art. The importance of that notion emerges in Dewey's well-known writings such as How We Think, The School and Society, and Art as Experience, where he shows that not only does familiarity play a fundamental role in our lives, but it also constitutes a helpful tool to make our experience deeper and richer. This is particularly evident in two (...) aspects or functions related to familiarity: recognition and interpretation. For Dewey, especially the latter has an educational value through aesthetics and art, because it allows us to activate the peculiar capacity of human beings to transform the quality of experience. (shrink)

Neste artigo, pretendo desafiar duas teses que compõem a interpretação padrão da teoria de justiça social de Hume. Primeiro, que esse entendimento não oferece recursos conceituais sufi cientes para se esboçar uma teoria de justiça distributiva e, segundo, que essa teoria é, em princípio, indiferente a ocasionais arranjos sociais fortemente desiguais. Contrariamente, proponho aqui um esboço para uma possível teoria de justiça distributiva em Hume. Argumento, com base em evidência textual, que Hume aborda sistematicamente questões como a distribuição inicial, mudanças (...) na ordem distributiva e, finalmente, ocasionais arranjos redistributivos à luz de princípios que combinam associações imaginativas, considerações de interesse público e intuições utilitaristas. (shrink)

The deliberative ethics guidelines elaborated and implemented by members of the IFOM-IEO Campus (Firc Institute of Molecular Oncology (IFOM) and the European Institute of Oncology (IEO)). These should serve the dual purpose of establishing a minimal set of standard rules for bioethical debate and any ensuing decision-making process, especially for the perspective of providing real instruments to foster public engagement and public awareness on the ethical issues involved in biomedical research. It is shown that these guidelines instantiate the scheme of (...) one of the correct ways of debating formalised by the western thought. (shrink)

We discuss the meaning of “being alive” and “being dead.” Our primary aim is to pave the way for a sound and accurate ethical debate concerning these two concepts. In particular, we analyze a metabolic approach and a genetic one and discuss the reasons for their failure to constitute a good starting point for successive debates. We argue that any ethical or social discussion of topics involving life and death must introduce cultural constructs such as, on the one hand, the (...) concept of clinical death and, on the other hand, the concept of existence. We argue that these two cultural constructs, although consistent with biomedical knowledge, cannot be ontologically grounded in it. To conclude, we apply our findings to the case of human embryos. (shrink)

En este capítulo ofrecemos una introducción sistemática e histórica a la lógica, disciplina que contribuyó en gran medida a la producción del conocimiento en general y a la formación del pensamiento científico en particular. La primera sección contiene la introducción sistemática: primero, presentamos las distintas disciplinas que forman parte de la lógica en el sentido amplio del término; luego, identificamos a la lógica en sentido canónico o estricto como el estudio la validez; por último, explicamos en qué sentido la validez (...) es una propiedad formal. La segunda sección contiene la introducción histórica; nos detenemos, en particular, a estudiar dos hitos: el nacimiento de la lógica como disciplina con Aristóteles, y la intervención de Gottlob Frege, a quien se debe, en gran parte, el surgimiento de la lógica tal como la conocemos. Finalmente, damos un breve comentario del estado actual de la disciplina. (shrink)