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Plato and Antisthenes in the Phaedo: A Reflexive Reading. Part Two
(Wydział Filozoficzny UAM, 2020) Mazzara, Giuseppe
The purpose of this study is not so much to show the presence of Antisthenes in the dialogue, but rather to examine that to which Plato alludes. The controversy over ideas between the two Socratics is historically very well-attested, as can already be seen in the Cratylus. Thus, it is reasonable to assume that this controversy must have affected Plato when he was writing the Phaedo: a dialogue in which the importance of ideas and his new logic is undeniable. Hence, this paper will investigate the following question: what impact could Antisthenes’ denominative and definitory logic have on the equally denominative and definitory logic presented in the Phaedo, given that the latter work in all probability preceded the Sathōn? In light of what is said in the dialogue, the answer focuses primarily on what would not be said. Thus, this study is divided into two parts: Part one shows how the so-called “second navigation” emerges as an objection to the insufficiency of the responses given by the physiologists. Tellingly, certain “common opinions” are regarded as perplexing and individuals holding them are referred to with the indeterminate tis, which – as is argued – must have included Antisthenes. Indeed, Tht. 108c7–8 reports the latter to have made common opinions a cornerstone of his denominative logic. Part two, on the other hand, is devoted to examining the so-called “final argument.” Here, Antisthenes’ presence seems somewhat more nuanced, given his incomplete knowledge of the new logic of irreversible opposites which was worked out by Plato for the purpose of demonstrating the immortality and indestructibility of the soul. On the other hand, Antisthenes is likely to have prompted Plato to specify the relationship between ideas and things in the definitory logic, since the proponent of the theory of oikeios logos refused to distinguish between the substance and its attributes, the differences and their opposites, and the opposites of opposites.
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Aristotle and Diogenes the Cynic
(Wydział Filozoficzny UAM, 2020) Brancacci, Aldo
In this paper I examine the testimonium of Aristotle’s Rhetoric concerning Diogenes the Cynic (SSR V B 184). This piece of evidence is the most ancient source of Diogenes and proves that Aristotle was familiar with his writings. I also study the testimonium on Diogenes that is handed down by Theophrastus (SSR V B 172), which confirms the interest of the ancient Peripatos in this philosopher. Finally, I examine a passage of Book 1 of the Politics where Aristotle refers to the thesis on the abolition of money. I argue that such a thesis could be ascribed to Diogenes. In particular, I attempt to demonstrate that several theses of political philosophy put forward by Diogenes should be considered as constituting a polemical overthrow of the corresponding theses of Aristotle in Book 1 of his Politics.
Access status: Open Access ,
Aristotelian Biology. A Synopsis
(Wydział Filozoficzny UAM, 2020) Meyer, Martin F.
In no field of knowledge did Aristotle leave more writings than in biology. He conducted research for longer and more intensively in zoology than in any other field. In these writings he mentions a good 550 animal and 60 plant species. While this includes the internal anatomy of around 110 animals, he dissected 60 species himself. The present contribution deals with the epistemic motifs and the meaning of Aristotelian biology in the context of his scientific curriculum. It is thus demonstrated that in De anima Aristotle’s actual explanations are preceded by an investigation of the principles, which aims to differentiate living objects from inanimate ones, and to develop a method of explanation based on the species-specific vital functions of living beings. This article provides an overview of the four main disciplines of Aristotelian biology: comparative anatomy, physiology, genetics and behavioral research. The text offers tabular overviews of the animals and plants dealt with by Aristotle.
Access status: Open Access ,
The Affections of the Soul according to Aristotle, the Stoics and Galen: On Melancholy
(Wydział Filozoficzny UAM, 2020) Protopapas-Marneli, Maria
The present article is divided into two parts: the first focuses on the affections of the soul in general, while the second part investigates the case of melancholy, as it is studied from Aristotle and the Stoics to Galen. The main point of the first part is an analysis of the Chrysippean treatise On the Affections of the Soul as it appears in the Galenic treatise On the Doctrines of Hippocrates and Plato. The analysis identifies several Chrysippean influences from Plato and Aristotle regarding the psyche. In the second part, the case of melancholy is analyzed through the pseudo-Aristotelian treatise Problem XXX 1. The discussion shows the common points between the Aristotelian text and the Chrysippean fragments regarding the issue of melancholy. This article aims to bring to light the evolution of the phenomenon of melancholy in Galen’s thought, which is connected with the study of both medical and philosophical texts already existing before him.
Access status: Open Access ,
Evil Itself and Nothingness in Proclus
(Wydział Filozoficzny UAM, 2020-12) Napoli, Valerio
In his reflection on the nature of evil, the Neoplatonic philosopher Proclus affirms that evil itself (to autokakon) is “also beyond the absolute non-being” (epekeina kai tou mēdamōs ontos). With this assumption, he intends to reinforce the thesis of the non-existence of absolute evil, conceived as totally separate from good, and contrasted with the collateral and parasitic existence of evil mixed with good. He thus maintains a distinction between absolute evil and relative evil, conceived with reference to the distinction between absolute non-being (i.e., nothingness) and relative non-being. In Proclus, the thesis of the non-existence of absolute evil is presented as a necessary consequence of the non-dualist theory of evil in the sphere of a protology that identifies the first Principle of all things in the primary Good (identical to the supra-essential One), and which aims to reconcile the absolute primacy of the latter with the presence of evil in some orders of reality.