Due to the difficulty in solving combinatorial optimization problems, it is necessary to improve the performance of the algorithms by improving techniques to deal with complex optimizations. This research addresses the metaheuristics of marriage in honey-bees optimization based on the behavior of bees. The current study proposes a technique for solving combinatorial optimization problems within proper computation times. The purpose of this study focuses on the travelling salesperson problem and the application of chaotic methods in important sections of the MBO (...) metaheuristic. Three experiments were conducted to measure the efficiency and quality of the solutions: MBO with chaos to generate initial solutions ; MBO with chaos in the workers ; and MBO with chaos to generate initial solutions and the workers. The application of chaotic functions in MBO was significantly better at solving the travelling salesperson problem. (shrink)

Previously, the author tried to show that some arguments in one of the two versions of Nicholas of Autrecourt’s Quaestio de intensione visionis are taken almost verbatim from the anonymous Tractatus de sex inconvenientibus. This paper concentrates on the arguments themselves in order to consider two main issues: the ‘translatability’ of limit decision problems, manifest in Autrecourt’s juxtaposition of questions de maximo et minimo, de primo et ultimo instanti, and the intension and remission of forms; the importance of Parisian discussions (...) of limit decision problems prior to the adoption of the new analytical languages developed at Oxford. Thus, the paper is divided in two sections, the first concerning some arguments of Autrecourt’s question, the second focusing on the link between one of Autrecourt’s arguments and the medieval tradition of commentaries on Aristotle’s De caelo, in which it is possible to find some antecedents of the analytical approach that later Parisian scholars would apply to these problems. (shrink)

Die vorliegende Arbeit thematisiert eine sowohl im deutschen als auch im spanischen und englischen Sprachraum weitgehend unbekannte philosophische Kontroverse zweier herausragender Figuren der Rezeptionsgeschichte von Husserls Phänomenologie in Mexiko zur Zeit des spanischen republikanischen Exils. Es handelt sich um die Diskussion zwischen José Gaos und Luis Villoro über den phänomenologischen Begriff der Lebenswelt. Im ersten Teil meiner Darstellung werde ich den akademischen Kontext dieser Diskussion erörtern. Im zweiten Teil gehe ich auf die Hauptthese eines Vortrags ein, den Gaos 1963 in (...) Mexiko-Stadt vor einem internationalen Publikum hielt und der als die erste dokumentierte Behandlung des Lebensweltbegriffs in der spanischsprachigen Philosophie gilt. Der dritte Teil behandelt Villoros Erwiderung auf Gaos’ Vortrag und die sich daraus ergebende Auseinandersetzung der beiden Philosophen. Im vierten Teil ziehe ich eine kritische Bilanz des Inhalts dieser Diskussion im Licht des aktuellen Stands der Husserlforschung. Dabei, und schließlich auch im fünften Teil, wird sich die unverkennbar radikale Bedeutung dieser Diskussion für die aktuelle phänomenologische Forschung herausstellen, insbesondere im Hinblick auf das Forschungsdesiderat einer Erklärung der systematischen Verhältnisse zwischen transzendentaler Erkenntniskritik und Lebenswelttheorie. (shrink)

Este trabajo examina el proyecto de investigación de los Archivos Husserl de Lovaina “‘Functionaries of Humanity’: Phenomenology, the UNESCO, and the Problem of Universalism in Science and Culture”. Se trata de un proyecto de reconstrucción histórico-filosófica de las relaciones entre el trabajo temprano de la UNESCO (especialmente en lo relativo a su lucha por la fundación de un humanismo universal tras el fin de la Segunda Guerra Mundial) y la fenomenología de Husserl. El texto presente pone especial énfasis, además, en (...) el rol que juega el exilio republicano del 39 en la historia de esas relaciones. La exposición que sigue está basada en material de archivo inédito y en el esquema general del proyecto; su objetivo es dar a conocer dicho proyecto en el mundo de habla hispana; su conclusión teórica es que hay una relación esencial, materializada históricamente como vínculo institucional, entre la filosofía de Husserl y los intereses culturales de la UNESCO. (shrink)

Conceptual engineering is commonly characterized as the method for assessing and improving our representational devices. Little has been said, however, on how best to construe these representational devices—in other words, on what conceptual engineering should be all about. This paper tackles this problem with a basic strategy: First, by presenting a taxonomy of the different possible subject matters for conceptual engineering; then, by comparatively assessing them and selecting the most conducive one with a view to making conceptual engineering an actionable (...) method, that is, a method that can be applied effectively and consistently to specific case studies. The outcome is that conceptual engineering should be all about concepts on pain of pragmatic inconsistencies otherwise. (shrink)

This textbook presents the basics of philosophy that are necessary for the student and researcher in science in order to better understand scientific work. The approach is not historical but formative: tools for semantical analysis, ontology of science, epistemology, and scientific ethics are presented in a formal and direct way. The book has two parts: one with the general theory and a second part with application to some problems such as the interpretation of quantum mechanics, the nature of mathematics, and (...) the ontology of spacetime. The book addresses questions such as "What is meaning?", "What is truth?", "What are truth criteria in science?", "What is a theory?", "What is a model?" "What is a datum?", "What is information?", "What does it mean to understand something?", "What is space?", "What is time?", "How are these concepts articulated in science?" "What are values?" "What are the limits of science?", and many more. The philosophical views presented are "scientific" in the sense that they are informed by current science, they are relevant for scientific research, and the method adopted uses the hypothetical-deductive approach that is characteristic of science. The results and conclusions, as any scientific conclusion, are open to revision in the light of future advances. Hence, this philosophical approach opposes to dogmatic philosophy. Supported by end-of-chapter summaries and a list of special symbols used, the material will be of interest for students and researchers in both science and philosophy. The second part will appeal to physicists and mathematicians. (shrink)

It is well known that the modern atomists assumed the ancient thesis that things are composed of simple entities. It is also known that Leibniz went beyond atomism, since he affirmed that the true substances on which things are founded, the so-called monads, cannot be divisible or extended, for they are souls. For Christian Wolff, the elements of bodies are not extended; these elements have no figure and no magnitude whatsoever, they fill no space and are indivisible. In the Monadologia (...) physica, published in 1756, Kant also argues that the ultimate principles of bodies are the monads or simple substances. The goal of this work is to reconcile the confronted positions of “metaphysics” and “geometry”. (shrink)

In recent years, Cesar Chavez’s life and legacy have been subjected to increased scrutiny. The ensuing reevaluations of Chavez, wittingly or not, are matters of ethical, as well as historical and biographical, concern. This article has two aims. First, it reconstructs Chavez’s account of exemplarity and uses it to assess his legacy. Second, it provides an account of exemplarity situated within social practices. As I argue, exemplarity operates through social practices, rather than mystically as posited by a contagion model. The (...) end result is an ethically nuanced reassessment of Chavez and an account of exemplarity that includes its social dimension. (shrink)

Nos deteremos aqui sobre a crítica de Matthew Kramer em relação à interpretação de Quentin Skinner sobre o conceito de “liberdade” em Hobbes contida em seu artigo “On the Unavoidability of Actions: Quentin Skinner, Thomas Hobbes, and the Modern Doctrine of Negative Liberty” (2001). Nele, Kramer trata do então crescente interesse do projeto intelectual de Skinner pelo pensamento hobbesiano, algo já evidenciado desde a publicação de seu livro Liberdade Antes do Liberalismo (1998). Kramer toma como referência central de sua resposta (...) o artigo de Skinner intitulado “Thomas Hobbes on the Proper Signification of Liberty”, criticando a sua posição e contrastando com algumas de suas próprias ideias sobre “liberdade” e “não-liberdade”. Através dessas considerações, Kramer reavalia a noção da liberdade em Hobbes, tomando-a como o protótipo liberal da liberdade negativa por excelência, demonstrando assim os supostos equívocos contidos na interpretação de Skinner sobre ela. Buscamos defender aqui, contudo, que a proposta interpretativa de Kramer carece da devida fundamentação metodológica que correlaciona o neorrepublicanismo de Skinner no campo da filosofia política com certos princípios oriundos de sua historiografia que não são devidamente considerados pelo primeiro. A sua crítica estaria, assim, comprometida por uma abordagem desconectada do pensamento e das intenções de Hobbes enquanto um agente político inserido em um determinado contexto linguístico e social, quadro que seria posteriormente resgatado de maneira primorosa por Skinner em seu estudo Hobbes and Republican Liberty (2008). (shrink)

There are communities in which disadvantaged groups experience severe inequality. For instance, poor and indigent families face many difficulties accessing their social rights. Their condition is largely the consequence of the wrong choices of those in power, either historical or more recent choices. The lack of opportunities of these deprived citizens is due to state omissions. In such communities, it is not unusual for homeless members of these particular groups to occupy abandoned lands and build their shelters there. However, almost (...) everywhere, these actions constitute a crime. The typical response to this situation is prosecution and punishment. In this paper, I will defend the occupation of public places as a consequence of the failure of governments to solve the problem of housing, and I will argue that we must distinguish a social claim from a crime and avoid the use of criminal law in these “occupation cases”. I will also argue that our right—as a community—to blame and punish these “squatters” is eroded by the fact that we perpetrated their situation of injustice. (shrink)

RESUMEN El presente articulo procura dar cuenta del problema de la formación de conceptos en Ser y tiempo a partir de la contramovilidad que asume la filosofia respecto de las tendencias auto-supresivas de la vida cotidiana. En un primer momento se distinguen algunos niveles, tendencias y direcciones involucrados en los procesos de formación de conceptos de las ciencias y de la filosofia desde la estela de Ser y tiempo. En un segundo momento se deslindan algunas operaciones categoriales inmanentes a la (...) formación de conceptos a partir del despliegue de lo que Heidegger denomina el acto fundamental de la objetivación, identificable con la tematización y con las direcciones en la que ésta se ejecuta. En un tercer momento, y a modo de cierre, se intenta echar luz sobre la peculiar actitud fundamental de la filosofia para mostrar que ésta se caracteriza, en contra de la Grundhaltung de las ciencias, por lo que podemos denominar con Heidegger una contra-tendencia respecto de la actitud natural-cotidiana. ____________________________________________________________________________________________________ ____ -/- ABSTRACT This article accounts for the different levels, tendencies, and directions involved in theprocess of concept-formation that is proper to both sciences and philosophy in Being and Time. It distinguishes different immanent categorial operations that belong tothe concept formation from the perspective of the unfolding of the fundamental act of objectivation. The article shows, additionally, that Heidegger identifies this Grundakt with thematization and with the concrete directions within which thisact is executed. The paper clarifies, finally,what it is the Grundhaltung of philosophy in order to show that its fundamental attitude is characterized by a Gegenbewegung or Gegenzug. (shrink)

This article provides a theoretical framework to help us understand the controversies between the federalist and anti-federalists in the early history of the United States of America during the Federal Convention in 1787 as a conflict of two political philosophical traditions. The sources of these opposed traditions may be traced back to the disputes in ancient Greek philosophy, in thinkers such as Plato and Aristotle who defined politics in different ways. Plato grounds his definition of politics in epistêmê, which means (...) that society should be ruled by the wisest. The federalist argued the best form of government is one where the people could avoid decision-making and leave the wisest representatives to handle politics. In opposition to this, Aristotle believes that politics should be inspired by the notion of phrônesis, which means that decisions should be considered collectively. Similarly, the anti-federalist believed that the government tends to be corrupted, and citizens should be suspicious of the government. They believed the ideal way to govern society is to have everyone involved in decision-making. (shrink)

I present a discussion of some issues in the ontology of spacetime. After a characterisation of the controversies among relationists, substantivalists, eternalists, and presentists, I offer a new argument for rejecting presentism, the doctrine that only present objects exist. Then, I outline and defend a form of spacetime realism that I call event substantivalism. I propose an ontological theory for the emergence of spacetime from more basic entities. Finally, I argue that a relational theory of pre-geometric entities can give rise (...) to substantival spacetime in such a way that relationism and substantivalism are not necessarily opposed positions, but rather complementary. In an appendix I give axiomatic formulations of my ontological views. (shrink)

This paper discusses the logical space of alternative conceptual engineering projects, with a specific focus on (1) the processes, (2) the targets and goals, and (3) the methods of such projects. We present an overview of how these three aspects interact in the contemporary literature and discuss those alternative projects that have yet to be explored based on our suggested typology. We show how choices about each element in a conceptual engineering project constrain the possibilities for the others, thereby giving (...) rise to distinct groupings of possible projects under the banner of conceptual engineering. We conclude with a critical reflection on the potential ethical issues that arise as a result of effectively putting conceptual engineering into practice. (shrink)

I present a formal ontological theory where the basic building blocks of the world can be either things or events. In any case, the result is a Parmenidean worldview where change is not a global property. What we understand by change manifests as asymmetries in the pattern of the world-lines that constitute 4-dimensional existents. I maintain that such a view is in accord with current scientific knowledge.

The present article is the third part of a trilogy of papers, devoted to analysing the influence of semantic Platonism on contemporary philosophy of language. In Part I (Picazo 2021), the discussion was set out by examining a number of typical traces of Platonism in semantic theory since Frege. In Part II (Picazo 2021a), additional illustrations of such traces were provided, taken from a collection of recent commissioned essays on the philosophy of language (Schantz 2012). The present part is devoted (...) to providing yet additional illustrations of such traces, taken from a collection of classic essays on the subject: the book Modern Philosophy of Language, edited by Maria Baghramian in 1998. We shall, thus, describe a number of examples in which the influence of semantic Platonism on these essays can be felt. Prominent among these examples are the confusion between sentences and propositions (and related confusions), the avoidant attitude with respect to basic aspects of linguistic meaning, the overuse of analytic methodology for semantic research, the adoption of a background Platonic metaphysics of meanings and the overreaction against semantic Platonism and germane views, witnessing an inverse influence (‘by opposition’) from these views. (shrink)

The idea of a moving present or ‘now’ seems to form part of our most basic beliefs about reality. Such a present, however, is not reflected in any of our theories of the physical world. I show in this article that presentism, the doctrine that only what is present exists, is in conflict with modern relativistic cosmology and recent advances in neurosciences. I argue for a tenseless view of time, where what we call ‘the present’ is just an emergent secondary (...) quality arising from the interaction of perceiving self-conscious individuals with their environment. I maintain that there is no flow of time, but just an ordered system of events. (shrink)

Popper’s original definition of truthlikeness relied on a central insight: that truthlikeness combines truth and information, in the sense that a proposition is closer to the truth the more true consequences and the less false consequences it entails. As intuitively compelling as this definition may be, it is untenable, as proved long ago; still, one can arguably rely on Popper’s intuition to provide an adequate account of truthlikeness. To this aim, we mobilize some classical work on partial entailment in defining (...) a new measure of truthlikeness which satisfies a number of desiderata. The resulting account has some interesting and surprising connections with other accounts on the market, thus shedding new light on current attempts of systematizing different approaches to verisimilitude. (shrink)

En este artículo analizo la idea de que se puede hacer filosofía a través de la poesía y trato de darle sentido a la expresión “poesía filosófica”. Sostengo que hay básicamente dos modos de entender esta expresión: 1) como ejemplificación, es decir, la poesía puede servir como ejemplo filosófico de distintas maneras; y 2) como articulación de una teoría filosófica. Aquí analizo la idea de que se puede obtener un tipo de conocimiento sui generis a través de la poesía, así (...) como la de que la poesía puede justificar supuestas verdades filosóficas. Rechazo estas dos ideas y, con ellas, la tesis de que se puede articular una teoría filosófica a través de la poesía. Sin embargo, acepto que no hay nada intrínseco a la poesía que le impida hacerlo, aunque, en general, esto no sucede. (shrink)

The aim of this research is to ascertain whether a firm’s environmental motivations may help to predict how complete or incomplete its environmental management will be, understanding incomplete management to be that which neglects one or more of the three keys aspects of such management, namely, monitoring, action and results. We specifically posit that while motivations based on the search for legitimation lead to more incomplete styles of environmental management, competitive motivations entail a more complete management. The analyses conducted with (...) a sample of 1,902 plants provide empirical evidence in favour of such reasoning. The contribution this research makes, therefore, is not restricted solely to showing the effect motivations have on the environmental performance of organisations, as it also introduces a new dimension of environmental management—the degree of completeness, which needs to be considered when understanding and evaluating this effect. (shrink)

A supertask consists in the performance of an infinite number of actions in a finite time. I show that any attempt to carry out a supertask will produce a divergence of the curvature of spacetime, resulting in the formation of a black hole. I maintain that supertaks, contrarily to a popular view among philosophers, are physically impossible. Supertasks, literally, collapse under their own weight.

I argue for a four dimensional, non-dynamical view of space-time, where becoming is not an intrinsic property of reality. This view has many features in common with the Parmenidean conception of the universe. I discuss some recent objections to this position and I offer a comparison of the Parmenidean space-time with an interpretation of Heraclitus’ thought that presents no major antagonism.

I argue that there are no physical singularities in space–time. Singular space–time models do not belong to the ontology of the world, because of a simple reason: they are concepts, defective solutions of Einstein’s field equations. I discuss the actual implication of the so-called singularity theorems. In remarking the confusion and fog that emerge from the reification of singularities I hope to contribute to a better understanding of the possibilities and limits of the theory of general relativity.

This brief review of Mario Bunge’s research on physics begins with an analysis of his masterpiece Foundations of Physics, and then it discusses his other contributions to the philosophy of physics. Following that is a summary of his more recent reactions to scientific discoveries in physics and a discussion of his position about non-locality in quantum mechanics, as well as his changing opinions on the nature of spacetime. The paper ends with a brief assessment of Bunge’s legacy concerning the foundations (...) of physics. (shrink)

Presentism is, roughly, the metaphysical doctrine that maintains that whatever exists, exists in the present. The compatibility of presentism with the theories of special and general relativity was much debated in recent years. It has been argued that at least some versions of presentism are consistent with time-orientable models of general relativity. In this paper we confront the thesis of presentism with relativistic physics, in the strong gravitational limit where black holes are formed. We conclude that the presentist position is (...) at odds with the existence of black holes and other compact objects in the universe. A revision of the thesis is necessary, if it is intended to be consistent with the current scientific view of the universe. (shrink)

Se analiza la posición epistemológica que Alexandre Koyré ha sostenido en sus investigaciones sobre la revolución científica de los siglos XVI y XVII a partir de un estudio del ideal explicativo que el conocido historiador propone como factor decisivo en la instauración y consolidación de la ciencia clásica.

Dung’s argumentation frameworks have been applied for over twenty years to the analysis of argument justification. This representation focuses on arguments and the attacks among them, abstracting away from other features like the internal structure of arguments, the nature of utterers, the specifics of the attack relation, etc. The model is highly attractive because it reduces most of the complexities involved in argumentation processes. It can be applied to different settings, like the argument evaluation of an individual agent or the (...) case of dialectic disputes between two agents (pro and con), or even in multi-agent collective argumentation. The latter case involves agents with possibly different arguments and/or opinions on how to evaluate them, leading to the possibility of considering multiple sets of arguments and attack relations. Two basic questions can be asked here, namely ‘what to aggregate’ and ‘how to aggregate’. The former concerns what kinds of entities do the agents intend to choose (arguments, attacks, assessments, etc.), while the second one focuses on which aggregation mechanisms yield rational choices (voting on arguments, merging procedures to obtain a common argumentation framework, deliberation processes, etc.). In particular, the question about the rationality of a collective argument choice relates this topic to Social Choice and Judgment Aggregation theories, while its associated strategic issues relate it to Game Theory. The research efforts on the disparate problems elicited by collective argumentation have generated a considerable corpus of literature that deserves an orderly evaluation. This survey is intended as a contribution to that end. (shrink)

Conceptual engineering means to provide a method to assess and improve our concepts working as cognitive devices. But conceptual engineering still lacks an account of what concepts are (as cognitive devices) and of what engineering is (in the case of cognition). And without such prior understanding of its subject matter, or so it is claimed here, conceptual engineering is bound to remain useless, merely operating as a piecemeal approach, with no overall grip on its target domain. The purpose of this (...) programmatic paper is to overcome this knowledge gap by providing some guidelines for developing the theories of concepts and of cognition that will ground the systematic unified framework needed to effectively implement conceptual engineering as a widely applicable method for the cognitive optimization of our conceptual devices. (shrink)

The present article is the first of a trilogy of papers, devoted to analysing the influence of semantic Platonism on contemporary philosophy of language. In the present article, I lay out the discussion by contrasting semantic Platonism with two other views of linguistic meaning: the socio-environmental conception of meaning and semantic anti-representationalism. Then, I identify six points in which the impregnation of semantic theory with Platonism can be particularly felt, resulting in shortcomings and inaccuracies of various kinds. These points are (...) the following: the limitations of regarding logico-philosophical analysis as the only working methodology; the tendency to avoid investigating a number of aspects of linguistic meaning; the recurring confusion between sentences, statements, and propositions; the weakness of transcendent assumptions about meaning; the weakness of meaning assumptions adopted on the basis of pure intuition; and inconsistencies caused by some over-eager attempts to escape semantic Platonism. (shrink)

Em um dos vários encontros mundiais sobre a obra do filósofo tcheco-brasileiro Vilém Flusser, os autores deste livro decidem escrever juntos uma introdução a seu pensamento que ao mesmo tempo homenageie o pensador. Nasce daí 'Vilém Flusser - uma.

El artículo analiza la justificación deliberativa de la revisión judicial a partir los originales aportes de la obra de Carlos Nino. Propone que el deliberativismo solo puede defender consistentemente un rol para la revisión judicial si esta se orienta radicalmente a las condiciones justificatorias y deliberativas de las decisiones, prácticas y políticas públicas, y no a la evaluación sustantiva de su consistencia con los derechos fundamentales, incluso los que sean considerados precondiciones democráticas. Argumenta que la versión más difundida de las (...) tesis de Carlos Nino caía en una inconsistencia -al tratar de preservar un ámbito sustantivo para la revisión judicial relacionado con los derechos a priori- y reconstruye una versión alternativa y menos conocida, articulada en uno de sus últimos libros, en la que la revisión judicial es articulada en clave radicalmente procedimental-justificatoria. The paper analyzes the deliberative justification of judicial review centered on the original contribution of Carlos Nino’s work. It proposes that deliberativism can only defend, consistently, a role for judicial review in a democracy if the institution is radically oriented to the justificatory and deliberative conditions of public policies, practices and decisions, abandoning any substantive evaluation of their consistency with fundamental rights, even those that are considered as democratic preconditions. The paper argues that the most known version of Carlos Nino’s thesis on the subject was partially inconsistent -while trying to preserve some room for substantive judicial review related to a priori rights- and considers an alternative and less known version, presented in one of nino’s last books, where judicial review is constructed with that radically procedimental-justificatory approach. (shrink)

El trabajo reconstruye y analiza críticamente la respuesta de Jeremy Waldron a importantes problemas sobre política y derecho, justicia y autoridad. Waldron reivindica al mismo tiempo una tesis no escéptica sobre la existencia los derechos morales-políticos, una tesis escéptica sobre la existencia de procedimientos epistémicos superiores para identificarlos, y una tesis positiva sobre la legitimidad política. El trabajo argumenta que su respuesta solo resulta consistente si se añade un cuarto vértice: el presupuesto de “igualdad de agencia y capacidad epistémica” en (...) los portadores de derechos. Pero su introducción requiere abandonar y redefinir dos de los otros elementos, lo que conduce finalmente a las respuestas típicas del deliberativismo epistémico. Las críticas de Waldron a la revisión judicial se reinterpretan sobre esa nueva base. (shrink)