Lisbon Wittgenstein Group: Seminar with Itala D'Ottaviano

[Marcos Silva]

Para aqueles que estiverem por aquelas bandas.

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Lisbon Wittgenstein Group
Nova Institute of Philosophy (IFILNOVA)
Faculty of Social Sciences and Humanities – Nova University of Lisbon (NOVA FCSH)

11 October 2017
4-6pm, Room ID 1.05

Seminar with Professor Itala M. Loffredo D’Ottaviano (Centre for Logic, Epistemology and the History of Science - CLE, State University of Campinas - UNICAMP):

“Contradiction, consistency and the paraconsistent perspective in the Western thought”.

Abstract: A logic is paraconsistent if it can be used as the underlying logic to inconsistent but non-trivial theories, which are called paraconsistent theories. In paraconsistent theories the Aristotelian Principle of Non-Contradiction is not valid in general. In this presentation I will outline a historical analysis, from Heraclitus to Newton da Costa, on how a paraconsistent perspective was properly constituted in the Western thought and how principles, rules and logical systems begin to express distinct concepts of paraconsistency. By analyzing the historical precedents of paraconsistent logic before the 20th century, we can identify some unanswered questions: What ideas were proposed and debated with regard to consistency in that period of the history of formal logic? Did such ideas influence later logical theories? Was there knowledge of logical rules and principles which allowed, in some contexts, for inconsistency to be dealt without trivialization? If such principles were known, how were these proto-principles stated, and in what way can they be related to the logical-paraconsistent results and rules known today? I will give special emphasis to Wittgenstein’s discussions concerning consistency, the Principle of Non-Contradiction and the Ex Falso Sequitur Quodlibet, and their relations to contemporary paraconsistency.

For more information about the Lisbon Wittgenstein Group, please visit:
http://www.ifilnova.pt/pages/lisbon-wittgenstein-group
http://www.ifilnova.pt/pages/news


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Nuno Venturinha
Professor Auxiliar
Coordenador do Mestrado em Filosofia
Coordenador do EPLab - Ethics and Political Philosophy Lab
Departamento de Filosofia / IFILNOVA
Faculdade de Ciências Sociais e Humanas - NOVA FCSH
Av. de Berna, 26 C, 1069-061 Lisboa | Portugal
Tel: + 351 217908300 | Ext.: 1365
E-mail: nventur...@fcsh.unl.pt

www.fcsh.unl.pt/faculdade-en/docentes/vncs_en?set_language=en
www.ifilnova.pt/pages/nuno-venturinha

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[Canjica]

Esse seminário parece ser muito interessante.

Diego(Canjica)

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[Joao Marcos]

> I will give special
> emphasis to Wittgenstein’s discussions concerning consistency, the Principle
> of Non-Contradiction and the Ex Falso Sequitur Quodlibet, and their
> relations to contemporary paraconsistency.

A este propósito, aproveito para referenciar um artigo que escrevi há
vinte anos, no primeiro ano do meu mestrado:

(Wittgenstein & Paraconsistência)
Principia: an international journal of epistemology 14 (1), 135-173
https://periodicos.ufsc.br/index.php/principia/article/view/1808-1711.2010v14n1p135/17987

[]s, JM