El vertiginoso desarrollo de la tecnología en los últimos años nos ha llevado a una serie de conocimientos inconmensurables en las diversas áreas del saber, de manera particular en las ciencias básicas como la biología, la genética, la física, la química y en áreas como la informática, que nos muestran desarrollos sorprendentes. Lo anterior nos lleva a pensar en una relación triádica entre ciencia, tecnología y sociedad que no podemos desconocer por el impacto que generan. De esta triada surgen connotaciones (...) de diferentes órdenes que nos llevan al campo de la ética y particularmente de la bioética. (shrink)

I argue against Matthew Slater’s rejection of what he calls the grounding claim in his stable property cluster account of natural kinds. This claim states that the epistemic value of natural kinds depends on the existence of some ground to bind together a kind’s properties. Using two test cases from academic medicine, I show that grounds are genuinely explanatory of scientific epistemic practices and that the SPC account should not do without them in its philosophical analysis of natural kinds.

Journal of Political Philosophy, Volume 30, Issue 3, Page 273-297, September 2022.

In this paper we develop a general representation theory for MV-algebras. We furnish the appropriate categorical background to study this problem. Our guide line is the theory of classifying topoi of coherent extensions of universal algebra theories. Our main result corresponds, in the case of MV-algebras and MV-chains, to the representation of commutative rings with unit as rings of global sections of sheaves of local rings. We prove that any MV-algebra is isomorphic to the MV-algebra of all global sections of (...) a sheaf of MV-chains on a compact topological space. This result is intimately related to McNaughton’s theorem, and we explain why our representation theorem can be viewed as a vast generalization of McNaughton’s theorem. In spite of the language used in this abstract, we have written this paper in the hope that it can be read by experts in MV-algebras but not in sheaf theory, and conversely. (shrink)

In this paper we develop a general representation theory for MV-algebras. We furnish the appropriate categorical background to study this problem. Our guide line is the theory of classifying topoi of coherent extensions of universal algebra theories. Our main result corresponds, in the case of MV-algebras and MV-chains, to the representation of commutative rings with unit as rings of global sections of sheaves of local rings. We prove that any MV-algebra is isomorphic to the MV-algebra of all global sections of (...) a sheaf of MV-chains on a compact topological space. This result is intimately related to McNaughton’s theorem, and we explain why our representation theorem can be viewed as a vast generalization of McNaughton’s theorem. In spite of the language used in this abstract, we have written this paper in the hope that it can be read by experts in MV-algebras but not in sheaf theory, and conversely. (shrink)

In “A new proof of the completeness of the Lukasiewicz axioms” Chang proved that any totally ordered MV-algebra A was isomorphic to the segment \}\) of a totally ordered l-group with strong unit A *. This was done by the simple intuitive idea of putting denumerable copies of A on top of each other. Moreover, he also show that any such group G can be recovered from its segment since \^*}\), establishing an equivalence of categories. In “Interpretation of AF C (...) *-algebras in Lukasiewicz sentential calculus” Mundici extended this result to arbitrary MV-algebras and l-groups with strong unit. He takes the representation of A as a sub-direct product of chains A i, and observes that \ where \. Then he let A * be the l-subgroup generated by A inside \. He proves that this idea works, and establish an equivalence of categories in a rather elaborate way by means of his concept of good sequences and its complicated arithmetics. In this note, essentially self-contained except for Chang’s result, we give a simple proof of this equivalence taking advantage directly of the arithmetics of the the product l-group \, avoiding entirely the notion of good sequence. (shrink)

Journal of Political Philosophy, Volume 30, Issue 3, Page 273-297, September 2022.

To the surprise of many readers, Jürgen Habermas has recently made religion a major theme of his work. Emphasizing both religion's prominence in the contemporary public sphere and its potential contributions to critical thought, Habermas's engagement with religion has been controversial and exciting, putting much of his own work in fresh perspective and engaging key themes in philosophy, politics and social theory. Habermas argues that the once widely accepted hypothesis of progressive secularization fails to account for the multiple trajectories of (...) modernization in the contemporary world. He calls attention to the contemporary significance of "postmetaphysical" thought and "postsecular" consciousness - even in Western societies that have embraced a rationalistic understanding of public reason. Edited by Craig Calhoun, Eduardo Mendieta, and Jonathan VanAntwerpen, _Habermas and Religion_ presents a series of original and sustained engagements with Habermas's writing on religion in the public sphere, featuring new work and critical reflections from leading philosophers, social and political theorists, and anthropologists. Contributors to the volume respond both to Habermas's ambitious and well-developed philosophical project and to his most recent work on religion. The book closes with an extended response from Habermas - itself a major statement from one of today's most important thinkers. (shrink)

Metaphor pervades discourse and may govern how we think and act. But most studies only discuss its verbal varieties. This book examines metaphors drawing on combinations of visuals, language, gestures, sound, and music. Investigated texts include advertising, political cartoons, comics, film, songs, and oral communication. Where appropriate, the influence of genre and cultural factors is thematized.

In this text, we ask if analogy can enable a dialogue between religion and the social sciences. To do so, we focus in the conflict between the biblical understanding of man as a created being and the notion of human nature as a social construct. Although there seems to be a fundamental dispute in social constructivism between nature and freedom (Ian Hacking), we consider analogical reasoning (Mauricio Beuchot) enables anthropological views, like Philip Hefner’s, that include central aspects of the doctrine (...) of creation and understand nature and freedom as complementary human features, thus allowing the desired dialogue. (shrink)

Research in zoos is an important scientific endeavor that requires several complex considerations in order to occur. Among those many considerations are the ethics involved in conducting zoo research. However, it is not always clear how zoo researchers should go about resolving any research ethics matters, even determining when some type of research ethics committee should be involved in those deliberations. Our paper attempts to provide some resolutions for these issues, namely in three sections: (1) a brief history of human (...) and animal research ethics, (2) general guidelines for zoo research ethics applications, and (3) theoretical, ethical dilemmas at the zoo. In each section, we consider pragmatic attempts to resolve any issues, as well as provide examples to illustrate our points. The primary focus of the paper is to facilitate consideration of the wide array of ethical factors any zoo researcher might encounter, as well as provide a basic set of ethical guidelines for zoo research. We also emphasize the importance of the welfare of the animals for all zoo research projects. (shrink)

Philosophical Issues, Volume 31, Issue 1, Page 240-257, October 2021.

We show the intimate relationship between McNaughton Theorem and the Chinese Remaindner Theorem for MV-algebras. We develop a very short and simple proof of McNaughton Theorem. The arguing is elementary and right out of the definitions. We exhibit the theorem as just an instance of the Chinese theorem. Since the variety of MV-algebras is arithmetic, the Chinese theorem holds for MV-algebras. However, to make this paper self-contained and entirely elementary, we include a simple proof of this theorem inspired in Ferraioli (...) and Lettieri (Math Logic Q 1:27–43, 2011). (shrink)

Roy Clouser’s reply to my article on John Paul II’s 1998 encyclical Fides et Ratio is learned, engaging, clear--and, respectfully put, full of errors on many points regarding John Paul’s understanding of faith and reason.1 On this matter, he attacks a straw man. Indeed, at times I wondered whether Clouser and I had read the same encyclical. Despite this, however, let me underscore my genuine appreciation of Clouser for pressing me to be clearer on my view of the encyclical’s position (...) on faith and reason.My reply is organized in two parts. First, I argue that in FR faith is a form of knowing; John Paul II is not a rationalist; and the impact of the fall into sin on human reason is integral. Second, I defend the view of FR that a metaphysical theology is necessary in order to give an account of the intelligibility of the Christian revelation. Indeed, one of the biblical requirements for a “Scriptural philosophy” is a philosophy of a truly metaphysical range, according to John Paul. (shrink)

In this paper, I examine the four elements—universal sinfulness, natural sinfulness, inherited sinfulness, and Adamic sinfulness—of the doctrine of original sin in both the Reformed confessions, with particular attention to the Canons of Dort, and the Council of Trent’s definitive teaching on Original Sin. I give particular attention to the question regarding how all men are implicated in the sin of Adam. Realism and federalism will be analyzed as answers to this question. Even if a theological account is given that (...) justifies the claim that God may justly impute Adam’s sin to his posterity, that still leaves unanswered the question of unconditional negative reprobation, also called, preterition (praeteritio), namely, that God passes over some and not others. Does preterition jeopardize the Church’s call to evangelization? That question will need to be reconsidered briefly, and in conclusion, in light of the doctrine of divine election and its implications for the preaching and hence proclamation of the gospel. (shrink)

We start this Volume 13 with the usual Editorial Note reviewing the main features of Economics and Business Letters. EBL is an online letter-type journal, free both for authors and readers, covering all areas of economics and business and with theoretical and empirical letters.

Modern zoos strive to educate visitors about zoo animals and their wild counterparts’ conservation needs while fostering appreciation for wildlife in general. This research review examines how zoos influence those who visit them. Much of the research to-date examines zoo visitors’ behaviors and perceptions in relation to specific exhibits, animals and/or programs. In general, visitors have more positive perceptions and behaviors about zoos, their animals and conservation initiatives the more they interact with animals, naturalistic exhibits, and zoo programming/staff. Furthermore, zoo (...) visitors are receptive to conservation messaging and initiatives at zoos, and are more likely to participate in on-site conservation opportunities as opposed to after their visits. The research also suggests that repeat visitors are even more inclined to seek out conservation efforts compared to those visiting zoos for the first time. While current research suggests that repeat-visitors are more likely to engage in conservation efforts, little is known about causal factors related to such findings, and almost no research exists to-date comparing the conservation efforts of visitors vs. non-visitors. This latter comparison will likely play a greater role in future zoo visitor research, since it poses one of the most important metrics for evaluating the specific effects visiting a zoo can have on people engaging in conservation efforts in general. (shrink)

Turing progressions arise by iteratedly adding consistency statements to a base theory. Different notions of consistency give rise to different Turing progressions. In this paper we present a logic that generates exactly all relations that hold between these different Turing progressions given a particular set of natural consistency notions. Thus, the presented logic is proven to be arithmetically sound and complete for a natural interpretation, named the formalized Turing progressions interpretation.