On the Correct Reading of Metaphysics V 7, 1017a 34–35. The Logic Behind Aristotle’s Example of the Diagonal

Falessi, Davide

NOCTUA

La tradizione filosofica dall’antico al moderno

History of Philosophy from the Ancient to the Modern Age

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Autore / Author: Davide Falessi

Affiliazione / Author affiliation: Universität Luzern

Titolo / Title: On the Correct Reading of Metaphysics V 7, 1017a 34–35. The Logic Behind Aristotle’s Example of the Diagonal

Abstract: This paper aims to clarify the opposition between Alexander of Aphrodisias, followed by Hermann Bonitz on one side, and Thomas Aquinas, followed by Lambertus Marie de Rijk on the other, regarding the correct reading of an example proposed by Aristotle in Metaphysics V 7, 1017a 34–35, which involves the diagonal and its incommensurability with the side. The author aims to demonstrate that Aquinas’s interpretation (and De Rijk’s one) cannot be accepted and that we should follow Alexander of Aphrodisias and Bonitz.

Keywords: Aristotle; Alexander of Aphrodisias; Thomas Aquinas; being as true; Metaphysics.

DOI: 10.14640/NoctuaXII7

Rivista / Journal: Noctua

ISSN: 2284-1180

Anno / Volume: XII

Fascicolo / Issue: 2

Pagine / Pages: 280-297

Ricevuto / Submitted: 21/01/2025

Accettato / Accepted: 24/03/2025

Pubblicato / Published: 03/10/2025

Permalink: https://dx.doi.org/10.14640/NoctuaXII 7

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ISSN 2284-1180