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Diego Tajer [20]Diego Ezequiel Tajer [1]
  1. The Logics of Strict-Tolerant Logic.Eduardo Barrio, Lucas Rosenblatt & Diego Tajer - 2015 - Journal of Philosophical Logic 44 (5):551-571.
    Adding a transparent truth predicate to a language completely governed by classical logic is not possible. The trouble, as is well-known, comes from paradoxes such as the Liar and Curry. Recently, Cobreros, Egré, Ripley and van Rooij have put forward an approach based on a non-transitive notion of consequence which is suitable to deal with semantic paradoxes while having a transparent truth predicate together with classical logic. Nevertheless, there are some interesting issues concerning the set of metainferences validated by this (...)
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  2. The Normative Autonomy of Logic.Diego Tajer - 2022 - Erkenntnis 87 (6):2661-2684.
    Some authors have called into question the normativity of logic, using as an argument that the bridge principles for logical normativity (MacFarlane, In what sense (in any) is logic normative for thought, 2004 )? are just by-products of general epistemic principles for belief. In this paper, I discuss that suggestion from a formal point of view. I show that some important bridge principles can be derived from usual norms for belief. I also describe some possible ways to block this derivation (...)
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  3. Capturing naive validity in the Cut-free approach.Eduardo Barrio, Lucas Rosenblatt & Diego Tajer - 2016 - Synthese 199 (Suppl 3):707-723.
    Rejecting the Cut rule has been proposed as a strategy to avoid both the usual semantic paradoxes and the so-called v-Curry paradox. In this paper we consider if a Cut-free theory is capable of accurately representing its own notion of validity. We claim that the standard rules governing the validity predicate are too weak for this purpose and we show that although it is possible to strengthen these rules, the most obvious way of doing so brings with it a serious (...)
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  4.  56
    Anti-exceptionalism and methodological pluralism in logic.Diego Tajer - 2022 - Synthese 200 (3):1-21.
    According to methodological anti-exceptionalism, logic follows a scientific methodology. There has been some discussion about which methodology logic has. Authors such as Priest, Hjortland and Williamson have argued that logic can be characterized by an abductive methodology. We choose the logical theory that behaves better under a set of epistemic criteria. In this paper, I analyze some important discussions in the philosophy of logic, and I show that they presuppose different methodologies, involving different notions of evidence and different epistemic values. (...)
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  5.  34
    A simple solution to the collapse argument for logical pluralism.Diego Tajer - forthcoming - Inquiry: An Interdisciplinary Journal of Philosophy.
    Many philosophers have argued that logical pluralism is not compatible with the normativity of logic. They developed different versions of the collapse argument: if two logics are correct, then the weaker one will be normatively irrelevant. In this paper, I argue that the collapse argument is based on a controversial premise: the assumption that every logic can be characterized by the same bridge principle. I provide a solution to the collapse argument based on the modification of this premise, maintaining both (...)
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  6.  27
    ${LFIs}$ and methods of classical recapture.Diego Tajer - 2020 - Logic Journal of the IGPL 28 (5):807-816.
    In this paper, I will argue that Logics of Formal Inconsistency $$ can be used as very sophisticated and powerful methods of classical recapture. I will compare $LFIs$ with the well-known non-monotonic logics by Batens and Priest and the ‘shrieking’ rules of Beall. I will show that these proposals can be represented in $LFIs$ and that $LFIs$ give room to more complex and varied recapturing strategies.
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  7.  76
    Confirmational Holism and Theory Choice: Arrow Meets Duhem.Eleonora Cresto & Diego Tajer - 2020 - Mind 129 (513):71-111.
    In a recent paper Samir Okasha has suggested an application of Arrow’s impossibility theorem to theory choice. When epistemic virtues are interpreted as ‘voters’ in charge of ranking competing theories, and there are more than two theories at stake, the final ordering is bound to coincide with the one proposed by one of the voters, provided a number of seemingly reasonable conditions are in place. In a similar spirit, Jacob Stegenga has shown that Arrow’s theorem applies to the amalgamation of (...)
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  8.  65
    Logical Pluralism and Interpretations of Logical Systems.Diego Tajer & Camillo Fiore - 2022 - Logic and Logical Philosophy 31:1-26.
    Logical pluralism is a general idea that there is more than one correct logic. Carnielli and Rodrigues [2019a] defend an epistemic interpretation of the paraconsistent logic N4, according to which an argument is valid in this logic just in case it necessarily preserves evidence. The authors appeal to this epistemic interpretation to briefly motivate a kind of logical pluralism: “different accounts of logical consequence may preserve different properties of propositions”. The aim of this paper is to study the prospect of (...)
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  9.  16
    Alcances y problemas del dialeteísmo.Diego Tajer - 2014 - Tópicos 28:01-23.
    El dialeteísmo es la posición que afirma que hay contradicciones verdaderas. Este artículo versará sobre esa posición. En la primera sección, mencionaré los principales aportes que, en mi perspectiva, el dialeteísmo ha hecho a la lógica filosófica. En la segunda sección, analizaré el principal problema del dialeteísmo. En la tercera sección, mostraré que los argumentos a favor del dialeteísmo no llegan a establecer la verdad de esta posición. Finalmente, explicaré cuál es el tipo de paraconsistencia que considero adecuada y la (...)
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  10.  3
    Derivative normativity and logical pluralism.Diego Tajer - 2024 - Asian Journal of Philosophy 3 (2):1-14.
    In a much-discussed article, Gillian Russell claimed that “logic isn’t normative”: according to her, the usual bridge principles for logic are just derived from general principles for truth and falsity, such as “believe the truth” or “avoid falsity.” For example, we ought to believe tautologies just because we ought to believe the truth. Russell argues that this rejection of logical normativity can avoid the collapse objection for logical pluralism, which typically presupposes the normativity. In the last part of his new (...)
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  11.  44
    Anti-Realism and Infinitary Proofs.Diego Tajer - 2012 - Análisis Filosófico 32 (1):45-51.
    In the discussion about Yablo’s Paradox, a debated topic is the status of infinitary proofs. It is usually considered that, although a realist could (with some effort) accept them, an anti-realist could not do it at all. In this paper I will argue that there are plausible reasons for an anti-realist to accept infinitary proofs and rules of inference. En la discusión sobre la Paradoja de Yablo, un tópico debatido es el estatus de las pruebas infinitarias. Se suele considerar que, (...)
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  12.  13
    Caracterizando el desacuerdo lógico.Diego Tajer - 2015 - Praxis Filosófica 40:137-152.
    En este artículo, ofrezco una caracterización del desacuerdo lógico. Segúnmi noción, los desacuerdos meramente verbales en lógica son inusuales.La mayoría de los desacuerdos lógicos son simplemente desacuerdosdescriptivos sobre el mundo o sobre el significado de los conectivos, mientrasque otros son desacuerdos evaluativos sobre la noción de validez.
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  13.  21
    Contra el pluralismo lógico modalista.Diego Ezequiel Tajer - 2016 - Eidos: Revista de Filosofía de la Universidad Del Norte 25:286-309.
    En este artículo argumento en contra del pluralismo lógico modalista de Bueno y Shalkowski. En la primera parte muestro que no está bien motivado, al menos si su motivación surge de las objeciones que le hacen al enfoque de Beall y Restall. Defiendo la posición de Beall y Restall contra estas objeciones apelando a los requisitos de necesidad y normatividad, que no fueron bien comprendidos por Bueno y Shalkowski. En la segunda parte analizo la posición modalista y doy argumentos en (...)
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  14.  12
    Desacuerdo lógico y agregación.Diego Tajer - 2017 - Theoria: Revista de Teoría, Historia y Fundamentos de la Ciencia 32 (1):63-87.
    En este artículo, exploro la posibilidad de aplicar los métodos y resultados de la Agregación de Juicios al problema del desacuerdo lógico. Es decir, desarrollo y evalúo maneras en que individuos que desacuerdan lógicamente pueden generar una lógica colectiva. Pruebo una versión de la paradoja discursiva, donde el voto por mayoría en un grupo de lógicos estructurales puede generar lógicas subestructurales, y luego elaboro un resultado de imposibilidad más general. Más adelante, analizo diferentes maneras de evitar la paradoja, en particular (...)
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  15.  14
    En defensa del argumento finitista.Diego Tajer - 2014 - Revista Latinoamericana de Filosofia 40 (2):129-143.
    En este artículo, analizo las principales respuestas que se han dado al argumento finitista de Etchemendy, y muestro que ninguna de ellas es exitosa. Primero, describo y critico las propuestas que intentan resolverlo apelando a consideraciones modales. Estas soluciones fallan porque presuponen un finitismo demasiado débil, donde se acepta la existencia de infinitos conjuntos o de mundos posibles con infinitos objetos. Pero hay versiones más fuertes del finitismo que reintroducen el problema. Luego considero las soluciones que apelan a categorías semánticas. (...)
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  16.  40
    Grounding and Logical Basing Permissions.Diego Tajer - 2016 - Diametros 50:81-96.
    The relation between logic and rationality has recently re-emerged as an important topic of discussion. Following the ideas of Broome [1999] and MacFarlane [2004], the debate focused on providing rational requirements, which work as bridges between logic and epistemic norms. However, as Broome [2014] and Way [2011] observed, the usual requirements cannot capture some important aspects of rationality, such as how one can rationally believe something on the basis of believing something else. Broome [2014] proposed a few additional principles for (...)
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  17.  21
    (1 other version)Intuitions in logic: a moderate proposal.Diego Tajer - 2020 - Humanities Journal of Valparaiso 16:239-253.
    Intuitions play a significant role in debates about logic. In this paper, I analyze how legitimate is that practice. In the first part of the paper, I distinguish between theoretical and pretheoretical intuitions, and argue that some pretheoretical intuitions are not to be taken into account in logic. Particularly, our pretheoretical intuitions about the concept of validity are not of much importance, since we don’t have a uniform or clear concept of validity in the natural language to be elucidated. Nevertheless, (...)
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  18.  29
    Logical Disagreement and Aggregation.Diego Tajer - 2017 - Theoria : An International Journal for Theory, History and Fundations of Science 32 (1).
    In this paper, I explore the possibility of applying the methods and results of Judgement Aggregation to the problem of logical disagreement. I develop and evaluate different ways in which individuals who logically disagree can generate a collective logic. I prove a version of the discursive paradox, where the majority voting of a group of structural logicians can give rise to a substructural logic; then I develop a more general impossibility result. After this, I analyze different ways to avoid the (...)
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  19.  19
    La paradoja de Fitch y los mundos epistémicos abiertos.Diego Tajer - 2014 - Manuscrito 37 (1):81-112.
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  20. Paradojas, contradicción y principios constitutivos del significado.Diego Tajer - 2013 - Páginas de Filosofía (Universidad Nacional del Comahue) 14 (17):49-65.
    En ocasiones, las paradojas involucran principios constitutivos del significado. Priest sostiene que en todos los casos deberíamos retener los principios y aceptar las contradicciones resultantes, mientras que Eklund sugiere modificar los principios en todos los casos. En este artículo, afirmo que las diferentes respuestas son adecuadas para las distintas paradojas. En particular, para paradojas del tipo del mentiroso, es mejor quedarse con el esquema T, que caracteriza el significado de “verdadero”, y aceptar las conclusiones contradictorias; mientras que para la paradoja (...)
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