En la primera parte del Teeteto Sócrates refuta tres tesis que considera estrechamente vinculadas entre sí: la tesis de Teeteto que identifica conocimientoy percepción, la tesis relativista y la tesis movilista. El propósito de este trabajo es mostrar que en tres de las refutaciones ofrecidas contra estas posiciones se exhibe una misma estrategia tendiente a remitis a un prerrequisito dialéctico vinculado a la pretensión de verdad. ESta constituiría una estrategia radical, en el sentido de que pone en cuestión la misma posibilidad de enmitir la propia tesis por parte del adversario.
The papers in this dossier were written within the framework of two research projects on the refutation strategies of radical adversaries in Plato’s and Aristotle’s writings. Both projects, directed by Graciela Marcos and based in the Institute of Philosophy “Dr. Alejandro Korn” (Instituto de Filosofía “Dr. Alejandro Korn”) of the Facultad de Filosofía y Letras of the Universidad de Buenos Aires, were subsidised by the Secretaría de Ciencia y Técnica of this university and by the Agencia Nacional de Promoción Científica y Técnológica (ANCyPT), to whom we would like to express our gratitude. Special thanks also to Fabián G. Mié, who, for several years, has been working on the question of dialectic in Plato and Aristotle and with whom, even if he has not formally joined our team, we have had the good fortune to exchange ideas and discuss many of the issues related to both projects. Fabián Mié’s work is therefore added to the works presented by Lucas M. Álvarez, María E. Díaz, Martín S. Forciniti, Julián Macías and Graciela E. Marcos in this dossier.
The dialectic exhibited in Plato’s dialogues assumes different characters throughout the corpus. Nevertheless, it remains always linked to refutation. In this way, like dialectic, refutation assumes different characteristics. The aim of this work is to show how refutation takes a key role in the Sophist, even with unique features: far from facing an opponent of flesh and blood as in Socratic dialogues, the Eleatic Stranger faces hypotheses, and instead of examining consistence within the opponent’s beliefs, he draws upon a radical mechanism that focuses in the conditions of possibility of the (opponent’s) discourse.
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