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703II—Resemblance Nominalism, Conjunctions and TruthmakersProceedings of the Aristotelian Society 113 (1pt1): 21-38. 2013.The resemblance nominalist says that the truthmaker of 〈Socrates is white〉 ultimately involves only concrete particulars that resemble each other. Furthermore he also says that Socrates and Plato are the truthmakers of 〈Socrates resembles Plato〉, and Socrates and Aristotle those of 〈Socrates resembles Aristotle〉. But this, combined with a principle about the truthmakers of conjunctions, leads to the apparently implausible conclusion that 〈Socrates resembles Plato and Socrates resembles Aristotle…Read more
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82Are the categorical laws of ontology metaphysically contingent?Philosophical Studies 177 (12): 3775-3781. 2020.Are the categorical laws of ontology metaphysically contingent? I do not intend to give a full answer to this question in this paper. But I shall give a partial answer to it. In particular, Gideon Rosen, in his article “The Limits of Contingency”, has distinguished a certain conception of metaphysical necessity, which he calls the Non-Standard conception, which, together with the assumption that all natures or essences are Kantian, is supposed to entail that many laws of ontology are metaphysica…Read more
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73Algebraic Study of Two Deductive Systems of Relevance LogicNotre Dame Journal of Formal Logic 35 (3): 369-397. 1994.In this paper two deductive systems associated with relevance logic are studied from an algebraic point of view. One is defined by the familiar, Hilbert-style, formalization of R; the other one is a weak version of it, called WR, which appears as the semantic entailment of the Meyer-Routley-Fine semantics, and which has already been suggested by Wójcicki for other reasons. This weaker consequence is first defined indirectly, using R, but we prove that the first one turns out to be an axiomatic e…Read more
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67Note on algebraic models for relevance logicZeitschrift fur mathematische Logik und Grundlagen der Mathematik 36 (6): 535-540. 1990.
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50Real Metaphysics: Essays in Honour of D. H. Mellor (edited book)Routledge. 2002._Real Metaphysics_ brings together new articles by leading metaphysicians to honour Hugh Mellor's outstanding contribution to metaphysics. Some of the most outstanding minds of current times shed new light on all the main topics in metaphysics: truth, causation, dispositions and properties, explanation, and time. At the end of the book, Hugh Mellor responds to the issues raised by each of the thirteen contributors and gives us new insight into his own highly influential work on metaphysics.
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44Science and people: Honduran campesinos and natural pest control inventions (review)Agriculture and Human Values 11 (2-3): 178-182. 1994.Farmers are experts on their natural environment and are innate experimenters. However they do not know everything. Filling in gaps of missing farmer knowledge can help them improve their experiments. The authors designed and taught a course to Honduran farmers that effectively covered a number of key points on insect ecology and biology that farmers had not understood. After receiving the course many farmers did experiments to solve pest problems without synthetic pesticides
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34A Defense Of Explanation-First Truthmaking: Some Thoughts On Jamin Asay’s A Theory Of TruthmakingAsian Journal of Philosophy 1 (1): 1-6. 2022.Jamin Asay’s A Theory of Truthmaking is one of the most important books on truthmaking, full of important ideas from beginning to end. One of the most interesting parts of the book is Asay's attack on the explanation-first truthmaking. Explanation-first truthmaking is the explanatory project of explaining why truths are true. This is in contrast with ontology-first truthmaking, the project defended by Asay, and which is the project of answering the fundamental ontological question “What is there…Read more
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28Indiscernible UniversalsHumanities Journal of Valparaiso 16 89-110. 2020.Universals have traditionally thought to obey the identity of indiscernibles, that is, it has traditionally been thought that there can be no perfectly similar universals. But at least in the conception of universals as immanent, there is nothing that rules out there being indiscernible universals. In this paper, I shall argue that there is useful work indiscernible universals can do, and so there might be reason to postulate indiscernible universals. In particular, I shall argue that postulatin…Read more
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21Study of the malware SCIRS model with different incidence ratesLogic Journal of the IGPL 27 (2): 202-213. 2019.
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20Indiscernible UniversalsRevista de Humanidades de Valparaíso 16 89-110. 2020.Universals have traditionally thought to obey the identity of indiscernibles, that is, it has traditionally been thought that there can be no perfectly similar universals. But at least in the conception of universals as immanent, there is nothing that rules out there being indiscernible universals. In this paper, I shall argue that there is useful work indiscernible universals can do, and so there might be reason to postulate indiscernible universals. In particular, I shall argue that postulatin…Read more
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18Kant on the Existence and Uniqueness of the Best Possible WorldHistory of Philosophy & Logical Analysis 21 (1): 195-215. 2018.In the 1750s Optimism, the Leibnizian doctrine that the actual world is the best possible world, popularized by Pope in 1733 in his Essay on Man, was a hot topic. In 1759 Kant wrote and published a brief essay defending Optimism, Attempt at some Reflections on Optimism. Kant’s aim in this essay is to establish that there is one and only one best possible world. In particular, he argues against the claim that, for every possible world, there is a possible world better than it and against the clai…Read more
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17Class nominalism and resemblance nominalismIn A. R. J. Fisher & Anna-Sofia Maurin (eds.), The Routledge Handbook of Properties, Routledge. 2024.This chapter is a discussion of Class and Resemblance Nominalism. According to the traditional versions of these theories, properties are classes of particulars. Thus, the property of being red is the class of red particulars, and the property of being square is the class of square particulars. Several objections have been advanced against these theories, and one of the most powerful of such objections is the so-called Coextension Difficulty, according to which Class and Resemblance Nominalism h…Read more
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17Critical Notice: Absence & Nothing. The Philosophy of What There Is NotPhilosophical Quarterly 74 (1): 364-369. 2023.Stephen Mumford's new book is a comprehensive study and discussion of a perennial philosophical topic: nothing, or what does not exist, or non-being. The variet.
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14Leibniz: Discourse on MetaphysicsOxford University Press. 2020.Gonzalo Rodriguez-Pereya provides a new English translation of G. W. Leibniz's Discourse on Metaphysics, complete with a critical introduction and a comprehensive philosophical commentary. In this fundamental work, Leibniz sets out a metaphysics for Christianity and provides answers to the central metaphysical questions.
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6Real Metaphysics: Essays in Honour of D. H. Mellor, With His Replies. (edited book)Routledge. 2002.Real Metaphysics brings together new articles by leading metaphysicians to honour Hugh Mellor's outstanding contribution to metaphysics. Some of the most outstanding minds of current times shed new light on all the main topics in metaphysics: truth, causation, dispositions and properties, explanation, and time. At the end of the book, Hugh Mellor responds to the issues raised by each of the thirteen contributors and gives us new insight into his own highly influential work on metaphysics.
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3Hölderlin, Hegel y el comunismo de los espíritusBoletín de Estética 65 41-69. 2023.Tomando como hilo conductor el tema de la comunidad, el siguiente trabajo intenta reconstruir el itinerario intelectual conjunto que llevó a Friedrich Hölderlin y Georg Wilhelm Friedrich Hegel a postular las bases del idealismo especulativo. A partir de la comparación de las fuentes y textos de ambos autores durante el período que va de 1794 a 1799, el trabajo precisará el origen y el uso de algunos términos compartidos, así como también la relevancia que tuvieron los mismos para la realización …Read more