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A Defense of Open WritingPrisma. forthcoming.Academic publication credits a text to a single author while erasing the drafts, objections, and revisions that actually produced it. This paper argues, via a constitutivist analogy with collective decision-making, that a text is constituted rather than discovered by this process, and that authorship and review instantiate a distinctive form of the many-hands problem, a circular interdependency of obligation that a non-aggregative account of collective responsibility is needed to explain. On the…Read more
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18The Glitch Frontiers of the SkyRodrigo Cid. 2026.(FICTION) In the World of Voxels, a metaverse where stories hang on signs, the official storyteller discovers, on an ordinary night, that his name has vanished from all of them. Guided by a page fallen from the sky and followed by a faceless Anon, he sets out in search of the Self, the creator of the world, crossing islands of gnomes at war, gardens of druids who became plants, cities of endless carnival and a lake where greed took on a body. Written as a letter from a father to his son and divi…Read more
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30Xenia : 森雅 : ゼニア / The Other side of death : 死亡的另-面 : 死の向こう側Rodrigo Cid. 2026.(FICTION) What if death is not the end of consciousness, but the beginning of a new creation? When Xênia's body ceases, her mind endures. With no eyes to see, no ears to hear, and no ground beneath her feet, she confronts the absolute void. But she is not alone. A mysterious, patient presence awaits her in the non-place, offering whole thoughts without uttering a single sound. Guided by this force beyond human understanding, Xênia witnesses the unfolding of time, the weight of primordial lonelin…Read more
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20Xenia: O Outro Lado da MorteRodrigo Cid. 2026.(FICÇÃO) E se a morte não for o fim da consciência, mas o início de uma nova criação? Quando o corpo de Xênia cessa, sua mente continua. Sem olhos para ver, sem ouvidos para ouvir e sem chão sob os pés, ela se depara com o vazio absoluto. Mas ela não está sozinha. Uma presença misteriosa e paciente a aguarda no não-lugar, oferecendo pensamentos inteiros sem emitir um único som. Conduzida por essa força além da compreensão humana, Xênia testemunha o desdobrar do tempo, o peso da solidão primordia…Read more
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125Portuguese original; English/Chinese translations made with AI. This book proposes a theodicy of loneliness and alterity, arguing that the only way to take the evidential problem of evil seriously is to abandon the idea that God has a plan for the material world. God creates not from a plan but from a motive: the cure of a loneliness prior to all creation. The central argument is that God, being purely immaterial, lacks the causal interface and indexicality necessary to cause material events, an…Read more
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A Defense of Open Review against Double-Blind Review | Uma Defesa da Revisão Aberta contra o Duplo-CegoARGUMENTOS - Revista de Filosofia. forthcoming.This paper articulates a philosophical defense of open review against the double-blind evaluation model, arguing that the latter rests on unsustainable assumptions: the existence of an epistemically sovereign evaluator capable of judging a manuscript in isolation; the possibility of fixed evaluation procedures immune to the instability characterizing adaptive normative systems; and the existence of universal criteria for philosophical quality, applicable regardless of the evaluator's metaphiloso…Read more
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69This paper examines six contemporary philosophical theories of the problem of biological individuality, namely, (i) Peter Godfrey-Smith's Darwinian approach, (ii) Alvaro Moreno and Matteo Mossio's functional-organizational view, (iii) Fermín Fulda's agency-based account, (iv) the processual view associated with Anne Sophie Meincke, (v) John Maynard Smith and Eörs Szathmáry's evolutionary transitions theory, and (vi) Anderson Fonseca's gradualist protopsychic monism. Each theory is reconstructed …Read more
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Aggregation and Answerability in Voting SystemsManuscrito. forthcoming.Voting systems are conventionally understood as technical mechanisms for aggregating individual preferences into collective decisions, thus expressing a previously existing will of the people. This article advances a contrary thesis. I argue that the impossibility theorems of Arrow, Gibbard, and Satterthwaite do not demonstrate limits on democratic possibility but reveal the incoherence of the discovery model of democratic will formation. I develop a constitutivist ontology according to which co…Read more
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29Philosophical Problems of Digital Governance / Problemas Filosóficos da Governança DigitalVirtualia Journal 1 543-566. 2026.Digital governance, operationalized by technologies such as blockchain and decentralized autonomous organizations (DAOs), constitutes a phenomenon that redefines fundamental philosophical concepts for collective life. This article undertakes a systematic philosophical analysis of this phenomenon, structured around foundational conceptual problems. We begin from four axes of inquiry: (1) the ontological problem of the nature of code-based entities; (2) the epistemic problem of trust and knowledge…Read more
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162This paper develops a comprehensive theodicy that addresses the problem of evil by arguing that physical evil is not attributable to God, and that the existence of matter—and thereby physical evils—is a necessary consequence of God's loving desire to create genuine otherness. The argument proceeds from the premise that God, as a purely immaterial being, lacks the causal-structural properties required to cause or prevent material events; hence, God bears no moral responsibility for physical evils…Read more
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26The Philosophy of Athletic Expertise / A Filosofia da Expertise AtléticaCognitio 27 (1). 2026.This article investigates athletic expertise in elite sport as a philosophically privileged domain for the analysis of central problems in metaphysics, epistemology, and ethics. It argues that high-performance sport is not merely a field for the application of general philosophical theories, but a set of phenomena capable of testing, challenging, and refining traditional conceptions of agency, knowledge, and moral value. From a metaphysical perspective, the paper examines the notion of distribut…Read more
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30This text is the result of academic research aimed at finding viable ways to reduce social inequalities in the Brazilian context through education. Our main focus was the search for ways to reduce violence through education and the ways in which education can promote human development and security in general. To achieve this goal with clarity and consistency, I address both theoretical and practical issues. The theoretical part clarifies essential concepts and establishes the background for the …Read more
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43The almost theist god / O Deus quase teístaIn Fábio Bertato, Nicola Salvatore & Marcin Trepczyński (eds.), Temas em Filosofia da Religião (Themes in Philosophy of Religion), Unicamp / Centro De Lógica, Epistemologia E História Da Ciência. pp. 131-156. 2023.Abstract: The area of this study is the philosophy of religion,specifically the metaphysics of religion, investigating the nature ofGod. The intention is to show that the concept of theist God, which isthe traditional concept of God, has a number of problems and that analternative concept of God is preferable, the almost theist God. We willpresent the major arguments against the consistency of the theistic god's attributes and against their mutual compatibility, and we will put fowardan alternat…Read more
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72Topics in Contemporary Metaphysics / Tópicos em Metafísica ContemporâneaEditora Fi. 2020.Tópicos em Metafísica Contemporânea. 1. ed. Porto Alegre: Editora Fi, 2020. 305 p. Os textos selecionados aqui têm todos a característica de serem incursões na metafísica contemporânea, em questões sobre a natureza da matéria, do espaço, do tempo, das propriedades, da causalidade, das leis da natureza e, inclusive, do livre-arbítrio. Este livro não pretende ser exaustivo, mas ser uma apresentação de o que alguns dos metafísicos brasileiros – Rodrigo Alexandre de Figueiredo, Mayra Moreira da Cos…Read more
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48Série Investigação Filosófica: Textos Selecionados de Filosofia da Vida e da Morte. 1. ed. Pelotas: Editora da UFPel, 2026. 171 p. (Livro organizado pelo Prof. Dr. Rodrigo Cid; Série Investigação Filosófica (SIF) coordenada e editada por Prof. Dr. Rodrigo Cid e Prof. Dr. Juliano do Carmo) Verbetes traduzidos: (I) Identidade Pessoal, (II) Vida, (III) Morte, (IV) Vida após a Morte. Filósofos tradutores e revisores: Prof. Dr. Guilherme Araújo, Prof. Dr. Humberto Zanardo Petrilli, Prof. Dr. R…Read more
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2368What is a laws of nature? / O que é uma lei da natureza?Dissertation, . 2011.The goal of this thesis to defend the philosophical view of the new ante rem substantivism against its supposed alternatives. To achieve such goal, we will present four views about the nature of laws, two kinds of realism and two kinds of anti-realism, and evaluate them critically. The disadvantages from those theories are going to be presented for us to show that they are insufficient to provide a metaphysics that is able to explain the world's counterfactuality, universality, and regularity, a…Read more
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58Este livro teve como projeto inicial reunir artigos e ensaios, em português, sobre estética e filosofia da arte na tradição analítica. Podemos entender a filosofia na tradição analítica, de forma bem geral, como um modo de fazer filosofia, em que se trabalha de forma argumentativa e temática, em torno a problemas e que pode ser feita mesmo em relação à análise de questões presentes em textos de filósofos de outros períodos históricos. Esse projeto foi levemente ampliado, o que nos trouxe um ganh…Read more
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499The laws of nature and Tooley's cases / As leis da natureza e os casos de TooleyManuscrito: Revista Internacional de Filosofía 36 67-101. 2013.The purposes of this paper are: (1) to present four theories of the nature of natural laws, (2) to show that only one of them is capable of adequately answering to Tooley’s Cases, and (3) indicate why these cases are relevant for our ontology. These purposes are important since the concept of “natural law” is used in many (if not all) realms of natural science and in many branches of philosophy; if Tooley’s cases are possible, they represent situations that must be adequately described. If there…Read more
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1255McTaggart and the problem of the reality of time / McTaggart e o problema da realidade do tempoArgumentos 5 99-110. 2011.It is common, even among the laity, the doubt about the reality of time. We think it is possible that time is an illusion and that the perception of his passage is just awareness of something other than time. There are a number of arguments made by philosophers, both to defend and to attack the intuition that time is real. One of them, and perhaps the best known, is the argument of McTaggart, which tries to establish some condition for the existence of time and that time, thought through that co…Read more
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4705Review from "Sense and Reference" / Resenha de "Sobre o sentido e a referência" (review)Intuitio 6 (2): 253-262. 2013.Resenha de "Sobre o sentido e a referência" / Review of "On sense and reference"
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1132Why is there something rather than nothing? / Por que há algo, e não nada?Investigação Filosófica 3 (art 2): 1-17. 2012.My aim here is to answer the question about why is there something rather than nothing by arguing for the existence of some necessary beings (that, as such, couldn’t not exist) – the space, the time, and the natural basic laws – and by showing that the existence of nothingness is logically impossible. I also try to account for the fact that contingent beings arise from necessary beings by distinguishing between necessary existence and necessary arising, as to answer the question about why is the…Read more
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1509Are the laws of nature metaphysically necessary? / São as leis da natureza metafisicamente necessárias?Dissertation, Universidade Federal do Rio de Janeiro. 2016.The main intent of this thesis is to defend that the laws of nature are better thought as transcendent universals, such as platonic governism suggests, and that they are metaphysically necessary in a strong way, such as the heterodox version of such platonism defends. With this intention, we sustain that physical symmetries are essential consequences of the laws of nature – what solves the challenge of symmetries – thus being metaphysically necessary, without being governist's necessitation laws…Read more
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846Against the metaphysical necessity of the law 'salt dissolves in water' / Contra a necessidade metafísica da lei 'o sal se dissolve em água'Abstracta : Linguagem, Mente E Ação 6 65-70. 2010.In this paper, I intend to argue against Alexander Bird‟s thesis (2001) that the law salt dissolves in water is metaphysically necessary. I briefly indicate Bird‟s argument for the necessity of such law, and then I provide a counter-argument to his thesis. In a general way, Bird wants to show that the existence of certain substances depends on the truth of certain laws, and that because of this the existence of such substances implies the existence of such laws. That would make the laws existing…Read more
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1895An introduction to the metaphysics of the laws of nature / Uma introdução à metafísica das leis da naturezaIn Lúcio Marques & Maurício Reis (eds.), Entre o ser e o não-ser. 2016.Antes de começarmos a falar sobre as leis da natureza, creio que vale a pena explicar algumas coisas sobre o título dessa conferência. Nele, digo que farei uma introdução à metafísica das leis da natureza. Uma introdução, em filosofia, consiste da apresentação de um problema filosófico, indicando as razões pelas quais tal problema é um problema, e das principais posições que tentam resolvê-lo, com suas respectivas dificuldades mais aparentes. Uma introdução não deve dar respostas definitivas sob…Read more
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819Laws of Nature and Tooley's Cases / As leis da natureza e os casos de TooleyManuscrito 36 (1): 67-101. 2013.The purposes of this paper are: (1) to present four theories of the nature of natural laws, (2) to show that only one of them is capable of adequately answering to Tooley's Cases, and (3) indicate why these cases are relevant for our ontology. These purposes are important since the concept of "natural law" is used in many (if not all) realms of natural science and in many branches of philosophy; if Tooley's cases are possible, they represent situations that must be adequately described. If there…Read more
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1607In “Is Justified True Belief Knowledge?” Edmund Gettier (1963) attacked the thesis ‘S knows that P iff P is true, S believes that P, and S is justified in believing that P’. His intention was to sustain that someone can have a justified true belief without knowing that belief. He made that by creating two counter-examples to that thesis. In this article, I try to show that Gettier’s arguments are based in a weak account of justification, and that such a weak view cannot talk about someone knowin…Read more
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767Uma Ideologia de Centro / A Center Ideology (edited book)Editora Fi. 2020.O objetivo deste livro é propor uma reflexão sobre o ideário de centro, se perguntando se ele seria possível e como. Preferi chamar de “Uma Ideologia de Centro” em vez de “Ideário”, pois o termo “Ideologia” é instigante para um título. Entretanto tenho a noção de que essa palavra é bastante carregada de significados teóricos. No modelo marxista, grosso modo, a ideologia é um conjunto de crenças, construído pela parcela dominante da sociedade, para naturalizar a dominação. Não é nesse sentido que…Read more
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1KECSKEMÈTI, Paul. On the interpretation of modalities. Philosophy and Phenomenological Research: vol. 7, n. 1, pp. 161-163, 1946. [Editora: Willey-Blackwell / Editor: Ernst Sosa] (review)Revista Opinião Filosófica 1 (2). 2010.
Programa de Pós-Graduação Em Lógica E Metafísica From Universidade Federal Do Rio de Janeiro
Alumnus, 2016
Ouro Preto, Minas Gerais, Brazil
Areas of Specialization
| Metaphysics and Epistemology |
| Metaphysics |
| Science, Logic, and Mathematics |