Plato: Timaeus

In the Timaeus, Plato famously acknowledges the receptacle as extremely difficult to comprehend. It is neither intelligible (which is reserved exclusively for the Forms) nor sense-perceptible (as it is a principle far too basic). Instead, as Plato proposes, the receptacle can only be apprehended through a “bastard” sort of “reasoning” (νόθος λογισμός, Tim. 52b1-2.). This paper explores an exegesis of Plato’s claim as offered by Calcidius, the 4th century translator of and commentator on the Timaeus. I identify two distinctive methods (...) Calcidius advances when grappling with the knowability of the material substratum that underpins our world. The first method – analysis (resolutio) – traces its intellectual lineage to earlier philosophical tradition, and Calcidius primarily uses it to uncover the proper nature and ontological characteristics of matter. Conversely, the second method corresponds to the only cognitive grasp of matter Calcidius believes humans are capable of. In his view, we can neither sense-perceive nor rationally understand matter. Instead, matter yields itself only to the cognitive mode of suspicion (suspicio). The paper provides a detailed analysis of Calcidius’ suspicio, delving into its intricacies and exploring the interrelationships between suspicio and resolutio. As such it offers a pioneering and comprehensive exploration of Calcidius’ account of the knowability of matter. (shrink)

This article concerns the so-called irrigation system in the Timaeus’ biology (77a-81e), which replenishes our body’s tissues with resources from food delivered as blood. I argue that this system functions mainly by the natural like-to-like motion of the elements and that the circulation of blood is an important case study of Plato’s physics. We are forced to revise the view that the elements attract their like. Instead, similar elements merely tend to coalesce with each other in virtue of their tactile (...) features as the atomists describe. The notion of attraction is replaced with this notion of mere coalescence. I begin by outlining how blood is made from food. I then argue that an understanding of health and disease compels us to read Plato as if he were an atomist and to abandon the popular scholarly interpretations according to which the elements attract each other. (shrink)

In this article, I make the case for the continued relevance of Plato’s Timaeus. I begin by sketching Allan Bloom’s picture of the natural sciences today in The Closing of the American Mind, according to which the natural sciences are, objectionably, increasingly specialized and have ejected humans qua humans from their purview. I argue that Plato’s Timaeus, despite the falsity of virtually all of its scientific claims, provides a model for how we can pursue scientific questions in a comprehensive way (...) that stresses their connections to other disciplines, including the humanities, and that puts humanity qua humanity back in the picture. I then argue that being led by Plato’s philosophy to return humanity conceptually to the natural world can improve our thinking regarding climate change and other important environmental crises. (shrink)

L'étude entend montrer que, si le temps est finalement unique, l'espace, lui, est originellement (et non du fait de la constitution de l'être-au-monde) multiple. Une analyse d'un passage du Timée où la Chôra est dite tithênê (nourrice) permet d'asseoir une interprétation de la différence foncière entre espace et lieu. Le lieu a progressivement disparu pour s'absorber dans l'espace neutre qui traduit homologiquement l'infinité divine ou pour s'atténuer dans le site. Il est difficile de trouver une analyse adéquate du lieu depuis (...) la mort de Leibniz (1916) jusqu'à la thèse de Bergson en latin sur la notion aristotélicienne de lieu. This study aims at making clear that, if, on the one hand, time is finally unique, while, on the other hand, we can say that space is in itself, and not for transcendantal reasons (the constitution of human subjectivity), a many-fold entity. By considering with great accuracy Plato's Timæus, where topos as chôra appears as tithênê (a nurse), we are able to interpret the very real distinction between space and place. Place has progressively disappeared, being absorbed in this homology of God's infinite, which is indeed Newton's neutral space, or at least being weakened in « site » (Ort). We will hardly find, between Leibniz' death and Bergson's latin thesis on aristotelician conception of topos, one correct study about place. (shrink)

Scientific observation has led to the discovery of recurring patterns in nature. Symmetry is the property of an object showing regularity in parts on a plane or around an axis. There are several types of symmetries observed in the natural world and the most common are mirror symmetry, radial symmetry, and translational symmetry. Symmetries can be continuous or discrete. A discrete symmetry is a symmetry that describes non-continuous changes in an object. A continuous symmetry is a repetition of an object (...) an infinite number of times. A consequence of continuous symmetry is the existence of conservation laws. A natural system with discrete and continuous symmetries displays several physical properties, such as the existence of long-range order. Geometric shapes exhibit symmetry as mirror reflections of each other. Symmetry in nature has been a model of beauty since the beginning of civilization. Since the earliest times, nature itself has manifestly been a model, evincing regularity in sundry forms and occurrences–from minerals and plants to the anatomy of living beings, to the regularly recurring stellar constellations. For Ancient Greek philosophers, proportion, symmetry, and harmony, were the basics to determine whether something is beautiful or not. Ancient Greek philosophers were known for bringing logic and rational thinking to phenomena that were previously explained by mythology and Gods. They observed the natural world around them and used their knowledge to answer questions about the proportion in observable objects and the origin of Earth. The Greek words _summetria_ and _summetros_ appear frequently in the Timaeus, defined as parts with each other and with the whole. Plato has a very rough concept of symmetry, and when he uses “beauty” to characterize the so-called Platonic Solids in the Timaeus, he seems to be emphasizing their regularity and indirectly their symmetry. Plato believes the four elements (earth, air, fire, water) have been constructed by the Demiurge, or a divine craftsman who appoints order in an otherwise chaotic universe. Minerals are representative examples of beauty, order, and symmetry in inorganic materials. Well-formed minerals (crystals) are a collection of equivalent faces related by symmetry. The goal of this paper is to relate the perspective of symmetry in ancient Greek philosophy with the modern scientific evidence of the geometric description of crystal structures. The five Platonic solids are ideal models of geometrical patterns that occur throughout the world of minerals. In this paper, minerals serve as a model of connecting the symmetry theory in Plato’s philosophy and modern advances in mineralogy. (shrink)

In dialogues ranging from the Symposium to the Timaeus, Plato appears to propose that the philosopher’s grasp of the forms may confer immortality upon him. Whatever can Plato mean in making such a claim? What does he take immortality to consist in, such that it could constitute a reward for philosophical enlightenment? And how is this proposal compatible with Plato’s insistence throughout his corpus that all soul, not just philosophical soul, is immortal? In this chapter, I pursue these questions by (...) applying the distinction between general and earned immortality to the Phaedo and the Symposium. I argue that, while Plato attributes general immortality to all soul in the Phaedo, in the Affinity Argument, he proposes that the philosopher’s soul can achieve earned immortality through contemplating forms. It is this form of immortality that Plato claims is unavailable to humankind in the flux passage of the Symposium. At the same time, in the ascent passage, he holds out the possibility – albeit with significant reservations – that the philosopher’s soul may transcend its humanity and achieve earned immortality through its communion with the form. (shrink)

In one of the most famous but equally obscure passages in the Timaeus, Plato describes the generation of time and the heavens. The “moving image of eternity” (37d5) is commonly read as Plato’s most general characterisation of time. Rémi Brague famously challenged the traditional interpretation on linguistic grounds by claiming that Plato actually did not conceive of time as an image (εἰκών) but rather as a number (ἀριθμός). In this paper, I shall claim that this controversy is by no means (...) a modern one. The traditional interpretation is mostly owed to Plato’s most prominent reader, Plotinus, who famously conceives of time in relation to eternity (Enn. III.7.13.24-25). Brague’s alternative reading, however, is anticipated by Simplicius’ attempt to refute the Plotinian interpretation, as I shall show. According to my reconstruction, Simplicius’ reading of the Timaeus not only shows why the traditional interpretation falls short, but it also offers a systematic argument that bolsters Brague’s alternative reading. Finally, I shall show that this is consistent with Plato’s text. It shall become clear that current interpretative problems are essentially prefigured in the late ancient debate. (shrink)

In the present paper, I argue that in order to be in a position to understand what the World Soul thinks about, we need first to answer the question of whether the universe perceives and if so, of what it perceives. I shall first (section ) lay out the main reasons for suspecting that the universe has perception and some possible objections against this view. I will then (section ) make a case for my claim that the universe has perception (...) on the basis of my ‘minimalist’ account of perception, which identifies four necessary and jointly sufficient conditions for having an instance of aisthēsis: 1) a body; 2) a soul; 3) affections which cause motion/change in the body and in the soul; 4) the cause of these affections. I will show that the universe composed of a World Body and a World Soul meets all four conditions. On the basis of this, I will claim that one can ascribe (self-) perception to the universe. Finally (section ), I will suggest that the universe perceives the polyhedra of its own body. (shrink)

This book sheds new light on Plato's cosmology in relation to Greek religion by examining the contested distinction between the traditional and cosmic gods. A close reading of the later dialogues shows that the two families of gods are routinely deployed to organise and structure Plato's accounts of the origins of the universe and of humanity and its social institutions, and to illuminate the moral and political ideals of philosophical utopias. Vilius Bartninkas argues that the presence of the two kinds (...) of gods creates a dynamic, yet productive, tension in Plato's thinking which is unmistakable and which is not resolved until the works of his students. Thus the book closes by exploring how the cosmological and religious ideas of Plato's later dialogues resurfaced in the Early Academy and how the debates initiated there ultimately led to the collapse of this theological distinction. (shrink)

I argue that Plato thinks that a sunaition is a mere tool used by a soul (or by the cosmic nous) to promote an intended outcome. In the first section, I develop the connection between sunaitia and Plato’s teleology. In the second section, I argue that sunaitia belong to Plato’s theory of the soul as a self-mover: specifically, they are those things that are set in motion by the soul in the service of some goal. I also argue against several (...) popular and long-standing interpretations, namely, that sunaitia correspond to Aristotle’s idea of hypothetical necessity, that sunaitia are the ‘how’ in an explanation (whereas the true cause is the ‘why’), and that Plato’s causal views should be read through Aristotle’s fourfold schema. I conclude the article by surveying the history of sunaitia after Plato’s usage. (shrink)

Plato's moral realism rests on the Idea of the Good, the unhypothetical first principle of all. It is this, as Plato says, that makes just things useful and beneficial. That Plato makes the first principle of all the Idea of the Good sets his approach apart from that of virtually every other philosopher. This fact has been occluded by later Christian Platonists who tried to identify the Good with the God of scripture. But for Plato, theology, though important, is subordinate (...) to metaphysics. For this reason, ethics is independent of theology and attached to metaphysics. This book challenges many contemporary accounts of Plato's ethics that start with the so-called Socratic paradoxes and attempt to construct a psychology of action or moral psychology that makes these paradoxes defensible. Rather, Lloyd Gerson argues that Plato at least never thought that moral realism was defensible outside of a metaphysical framework. (shrink)

This paper re-constructs Plato's ‘philosophy of geometry’ by arguing that he uses a geometrical method of hypothesis in his account of the cosmos’ generation in the Timaeus. Commentators on Plato's philosophy of mathematics often start from Aristotle's report in the Metaphysics that Plato admitted the existence of mathematical objects in-between ( metaxu) Forms and sensible particulars ( Meta. 1.6, 987b14–18). I argue, however, that Plato's interest in mathematics was centred on its methodological usefulness for philosophical inquiry, rather than on questions (...) of mathematical ontology. My key passage of interest is Timaeus’ account of the generation of the primary bodies in the cosmos, i.e. fire, air, water and earth ( Tim. 48b–c, 53b–56c). Timaeus explains the primary bodies’ origin by hypothesising two right-angled triangles as their starting-point ( arkhê) and describing their individual geometrical constitution. This hypothetical operation recalls the hypothetical method which Socrates introduces in the Meno (86e–87b), as well as the use of hypotheses by mathematicians which is described in the Republic (510b–c). Throughout the passage, Timaeus is focussed on explicating the bodies in terms of their formal structure, without however considering the ontological status of the triangles in relation to the physical world. (shrink)

This paper approaches the Critias straightforwardly as a work of political philosophy but gives greater attention to Athens’ opponent, Atlantis, whose founding, political organization, and eventual decline each offer important lessons about the aims of legislation and political life. I begin by comparing the foundation of the two cities as presented in Critias’ myth, with a special focus on the role of divine persuasion (I). I then describe the political organization of Athens and Atlantis, showing how they reflect the different (...) ways in which their founding gods exercised divine persuasion (II). Next, I focus on the decline of Atlantis and the causes behind it (III). Finally (IV), I discuss the lessons that I think can be gathered from the foregoing sections and show how the themes that emerge from the comparison of the two cities anticipate their more extensive exploration in the Laws. (shrink)

This is an essay on perception and its objects in the Timaeus. Two features of this work are noteworthy. First, the emphasis throughout is on Timaeus' views and not Plato's. Second, I show how broader aspects of Timaeus' cosmology are directly relevant to his philosophy of perception.

The relationship between mind and necessity is one of the major points of difficulty for the interpretation of Plato’s Timaeus. At times Timaeus seems to say the demiurge is omnipotent in his creation, and at other times seems to say he is limited by pre-existing matter. Most interpretations take one of the two sides, but this paper proposes a novel approach to interpreting this issue which resolves the difficulty. This paper suggests that in his speech Timaeus presents two hypothetical models (...) of creation, one with an omnipotent demiurge and one where he is limited by matter, so as to investigate their theoretical and empirical validity. Further, he shows that each model is ultimately an inadequate explanation of the first principles of the cosmos. Timaeus’ speech is therefore properly understood to be aporetic: it leaves its listeners aware of the difficulties inherent in the two models of creation, but without a more viable alternative. (shrink)

In this paper I focus on Proclus’ concept of the instrumental cause in his commentary on the Timaeus (In Tim.). Unlike earlier Neoplatonists who do not make much use of this type of causality, Proclus relates the instrumental cause to the hypostasis of nature (φύσις). The Demiurge uses nature as an instrument in his ordering and creation of the cosmos. How does Proclus arrive at this understanding of nature? I argue that the definition of nature as an instrumental cause is (...) in part based on his critical reception of Aristotle who identifies nature with the formal, efficient, and/or final cause. That is, Proclus did not develop his views on the causality of nature only by looking at the Timaeus (and other Platonic sources), but also by engaging with Aristotle’s rich – and, to a certain extent, authoritative – reflections on this issue. (shrink)

The aim of this paper is to provide a new reading of Plato’s precosmos (Ti. 52d2–53c3). More specifically, I shall argue that the precosmos is populated by bodies deriving from random complexes of properties, and that this is the effect of the Receptacle’s full precosmic participation in the Paradigm. This will turn out to be consistent with a robust notion of ‘precosmic generation’ and will reveal why Plato may have sought to refer to this otherwise puzzling scenario: representing the precosmos (...) in this way allows Plato to effectively justify why the Demiurge is responsible only for the goodness and perfection of the universe, and why it is properly the best possible cause. (shrink)

In this paper I first address what I consider a central issue in the account of perception in Plato’s Timaeus, namely, how the pathemata pass through the body to reach the soul, and thus become aistheseis. My point in Section 1 is that in tackling this issue Plato aims to provide a firm physiological basis to the notion of perception that starts to emerge in the Theaetetus and the Philebus and is crucial to the late development of his theory of (...) cognition. In the ensuing section I try to put the account of perception in the Timaeus into a historical perspective, aiming to highlight two points: a) Plato’s description of the way in which sensible impressions “travel” inside the body and interact with its parts and other constituents is largely indebted to previous theories, such as those we find, for example, in Empedocles and a few Hippocratic writers; b) The leading role in this story (where internal air plays a significant supporting role) is played by blood flowing through the vascular system and thus performing a crucial cognitive function. Moreover, emphasizing the role of blood as well as analyzing the elaborate way in which perceptions are transmitted through the body to the soul proves vital to appreciate (in Section 3) the cognitive status of the lower parts of the soul (which are more involved in perception) and their relation to reason. Overall, the paper adds further elements to our understanding of Plato’s embodied approach to cognition. I had already written (and submitted) this article when Johansen (2021) was published. The latter’s approach to the role of blood in Plato’s physiology of knowledge in the Timaeus converges in part with mine (as I was pleased to find out), partly due to our overlapping sources and bibliography. (shrink)

The principles governing elemental composition, variation, and change in Plato’s Timaeus appear to be incompatible, which has led commentators to prioritize some of the principles to the exclusion of others. Call this seeming incompatibility the problem of isomorphic variants. In this paper, I develop the theory of proportionate atomism as a solution to this problem. Proportionate atomism retains the advantages of rival interpretations but allows the principles of material composition, variation, and change to combine into an internally coherent and explanatorily (...) powerful atomic physics. (shrink)

Plato's Timaeus is unique in Greek Antiquity for presenting the creation of the world as the work of a divine demiurge. The maker bestows order on sensible things and imitates the world of the intellect by using the Forms as models. While the creation-myth of the Timaeus seems unparalleled, this book argues that it is not the first of Plato's dialogues to use artistic language to articulate the relationship of the objects of the material world to the world of the (...) intellect. The book adopts an interpretative angle that is sensitive to the visual and art-historical developments of Classical Athens to argue that sculpture, revolutionized by the advent of the lost-wax technique for the production of bronze statues, lies at the heart of Plato's conception of the relation of the human soul and body to the Forms. It shows that, despite the severe criticism of mimēsis in the Republic, Plato's use of artistic language rests on a positive model of mimēsis. Plato was in fact engaged in a constructive dialogue with material culture and he found in the technical processes and the cultural semantics of sculpture and of the art of weaving a valuable way to conceptualise and communicate complex ideas about humans' relation to the Forms. (shrink)

In our article, we will focus on an analysis of the relationship between man and the cosmos, set against the backdrop of ancient Greek ideas about the origin of the world. On the one hand, we will deal with the images of the creation of the world provided in Greek mythology and the religious tradition associated with it (in particular Hesiod); on the other hand, we will approach the anthropomorphic elements within the framework of philosophical cosmogonies (Plato’s dialogue, the Timaeus). (...) Our aim is to show that Greek philosophical thought was never able to fully relinquish this anthropomorphism but nonetheless it did move away from a purely mythological tradition (as found in Hesiod and the pre-Socratics) and, in some measure towards a more scientific interpretation of the cosmos (as found in Plato). (shrink)

That philosophy and medicine provide complementary forms of knowledge of the same subject is attested several times, by many authors, in various ways. For examp.

This chapter is about the movement of sunlight and the concept of time in Timaeus’ cosmology in Plato’s Timaeus. It argues for three connected theses: (i) that light is a grounding principle of his account; (ii) that Timaeus puts forward a proposal for the calculation of a cosmic calendar, i.e., the counting of time according to the movement of sunlight throughout the whole world; and (iii) that he understands time (chronos) as the movement of all heavenly bodies relative to the (...) motion of light streaming from the sun. (shrink)

In Plato’s eponymous dialogue, Timaeus, the main character presents the universe as an (almost) perfect sphere filled by tiny, invisible particles having the form of four regular polyhedrons. At first glance, such a construction may seem close to an atomistic theory. However, one does not find any text in Antiquity that links Timaeus’ cosmology to the atomists, while Aristotle opposes clearly Plato to the latter. Nevertheless, Plato is commonly presented in contemporary literature as some sort of atomist, sometimes as supporting (...) a form of so-called ‘mathematical atomism’. However, the term ‘atomism’ is rarely defined when applied to Plato. Since it covers many different theories, it seems that this term has almost as different meanings as different authors. The purpose of this article is to consider whether it is correct to connect Timaeus’ cosmology to some kind of ‘atomism’, however this term may be understood. Its purpose is double: to obtain a better understanding of the cosmology of the Timaeus, and to consider the different modern ‘atomistic’ interpretations of this cosmology. In short, we would like to show that such a claim, in any form whatsoever, is misleading, an impediment to the understanding of the dialogue, and more generally of Plato’s philosophy. (shrink)

Cicero’sTimaeuslegitimately stands as the first Latin exegesis of the Platonic dialogue. I shall deal with the interpretation of §§19–21, a passage that departs significantly from the Greek text in several respects. The aim of this paper is to explore the role Aristotelianism might have played in Cicero’sTimaeus. Among the points that support such an analysis is the mention of the Peripatetic Cratippus in the prologue. The interpretative scenario I suggest considers both Cratippus’ role and Antiochus’s philosophical system with its agreement (...) between Platonism and Aristotelianism. (shrink)

This article concerns the place of Plato’s eschatology in his philosophy. I argue that the theory of reincarnation appeals to Plato due to its power to explain how non-human animals came to be. Further, the outlines of this theory are entailed by other commitments, such as that embodiment disrupts psychic functioning, that virtue is always rewarded and vice punished, and that the soul is immortal. I conclude by arguing that Plato develops a view of reincarnation as the chief tool that (...) the gods have to ensure that virtue is victorious over vice throughout the whole cosmos. (shrink)

I argue that, according to Plato, the body is the sole cause of psychic disorders. This view is expressed at Timaeus 86b in an ambiguous sentence that has been widely misunderstood by translators and commentators. The goal of this article is to offer a new understanding of Plato’s text and view. In the first section, I argue that although the body is the result of the gods’ best efforts, their sub-optimal materials meant that the soul is constantly vulnerable to the (...) body’s influences. In the second section, I argue that every psychic disorder is a disruption of the motions of the inner psychic circles by the body; moreover, I defend my translation of 86b. In the final section, I argue that the goal of education is to restore the circles to their original orbits, and I disarm a possible objection that bad education is also a cause of psychic disorder. (shrink)

This paper concerns Plato’s characterization of the body as the soul’s tool. I take perception as an example of the body’s usefulness. I explore the Timaeus’ view that perception provides us with models of orderliness. Then, I argue that perception of confusing sensible objects is necessary for our cognitive development too. Lastly, I consider the instrumentality relationship more generally and its place in Plato’s teleological worldview.

I argue that Plato thinks that the soul has location, surface, depth, and extension, and that the Timaeus’ composition of the soul out of eight circles is intended literally. A novel contribution is the development of an account of corporeality that denies the entailment that the soul is corporeal. I conclude by examining Aristotle’s objection to the Timaeus’ psychology and then the intellectual history of this reading of Plato.

Analogies between the human and the cosmos run throughout Plato’s Timaeus. Timaeus claims that the cosmos came to be as mind’s “persuasion of necessity.” This paper argues that an anthropological equivalent to this “persuasion” can be found in Timaeus’ suggestive account of the human liver. Mediating between intellect and desire, the organ shows the problem of mind and necessity reflected in the human soul.

My dissertation is a reading of Plato’s Timaeus that centers sexual difference and in particular femininity. I analyze the role of sexual difference in the framing of the dialogue as well as its accounts of body in the first and second discourse and its account of health in the third discourse. I argue that sexual difference, and, in particular, sexual reproduction, serves as a guiding paradigm of Timaeus’ entire project. I argue in each part of my dissertation that various aspects (...) of the Timaeus depend on a certain notion of sexual difference—even aspects which are seemingly causally prior to the issue of sexual difference (e.g., the nature of cause itself, structure). The dissertation consists of three parts. In the first part of my dissertation, I give a new reading of the myth of the origin of women at the end of the Timaeus and bring it into conversation with the dialogue’s opening in order to give an interpretation of the dialogue’s framing. I analyze the concept of sexual difference presented in this myth and argue that its philosophical richness has been overlooked, with many considering it to be either a joke or a sexist account. Focusing on Timaeus’s account of the woman’s relationship with her womb, I argue that womanhood in this myth is constituted by features that are elsewhere characterized as essentially philosophical (e.g., collaboration, making room, recognizing the complex structure of things, and nurture). In the second part of my dissertation, I introduce the two paradigms for the origin and composition of the cosmos in the Timaeus: the first discourse’s craft paradigm that construes the cosmos as a crafted artifact, and the second discourse’s genetic paradigm that construes the cosmos as a birthed organism. I am especially concerned with each discourse’s account of body. Here, I argue that the second discourse’s genetic paradigm is a significant revision of the first discourse’s craft paradigm. While some scholars have found that Timaeus’s insights in the second discourse are a further development of the groundwork he lays in the first discourse, I argue that the genetic paradigm’s focus on femininity and the mutual collaboration of masculine and feminine capacities is incompatible with the craft paradigm’s androcentrism. Finally, in the third part of my dissertation, I analyze the way that the Timaeus centers women’s bodies in its account of health in body and soul. Here, I argue that the Timaeus characterizes health by drawing on ideas about women’s bodies that are framed as symptoms of feminine disease in the Hippocratic texts (e.g., disequilibrium, flux, and porosity). Taken together, the three articles of my dissertation constitute a reading of the role of sexual difference in each part of the Timaeus. (shrink)

This paper aims to consider the specific excerpts in which Plato’s Timaeus was interpreted by the philosopher and Kabbalist Judah Abravanel, also known as Leo the Hebrew in his major work, the Dialogues of Love. From his experience of solitude lived while in exile in Italy, the Portuguese Jew composes a work written in a structure of double meanings, esoteric and exoteric, through which he interacts with the Neoplatonic Renaissance community of his time while communicating with the Kabbalistic tradition from (...) which he descended as a Sephardic. Interpreting Timaeus in the light of his ancestral cosmogony, Leo the Hebrew wants to prove that Plato was initiated into the teachings of Moses and, therefore, must be included as a Kabbalist. (shrink)

Following the traces of some references to pre-existing matter in the Septuagint, the article analyses the interpretation of Gen 1, 2a in Philo of Alexandria’s De opificio mundi with a focus on his omission of the ἀκατασκεύαστος character of the earth. Philo’s interpretation is closely linked to his conception of emptiness and to his pioneering defence of a creation ex nihilo. In his cosmology, which is articulated as a dual interpretation of the Genesis and Plato’s Timaeus, the matter plays an (...) essential role. Philo justifies its existence on Aristotelian-Stoic grounds, highlighting the process of gradual refinement whereby matter passes from being a rough ὕλη to being an elaborate type of οὐσία. (shrink)

Parmi les difficultés bien connues du Timée compte celle touchant au rôle problématique d’éros dans la cosmologie que Platon met dans la bouche de Timée. Dans son exposé cosmologique, Timée rend compte de deux inflexions différentes d’éros – sexuelle et philosophique –, mais il n’explique pas comment ces deux inflexions sont censées coopérer pour rendre possible la vie la meilleure qui soit : la vie philosophique. Il se trouve que l’imprécision du « discours érotique » de Timée ainsi que son (...) incapacité à rendre compte des conditions de possibilité de l’activité philosophique dans le cosmos qu’il dépeint font surgir la question de l’interprétation du dialogue dans son ensemble. Sans réaliser lui-même cette interprétation, notre article vise à lui en fournir l’éventuelle matière. (shrink)

Plato used mathematics extensively in his account of the cosmos in the Timaeus, but as he did not use equations, but did use geometry, harmony and according to some, numerology, it has not been clear how or to what effect he used mathematics. This paper argues that the relationship between mathematics and cosmology is not atemporally evident and that Plato’s use of mathematics was an open and rational possibility in his context, though that sort of use of mathematics has subsequently (...) been superseded as science has progressed. I argue that there is a philosophically and historically meaningful space between ‘primitive’ or unreflective uses of mathematics and the modern conception of how mathematics relates to cosmology. Plato’s use of mathematics in the Timaeus enabled the cosmos to be as good as it could be, allowed the demiurge a rational choice and allowed Timaeus to give an account of the cosmos. I also argue that within this space it is both meaningful and important to differentiate between Pythagorean and Platonic uses of number and that we need to reject the idea of ‘Pythagorean/platonic number mysticism’. Plato’s use of number in the Timaeus was not mystical even though it does not match modern usage. (shrink)

Plato’s Timaeus reveals a cosmos governed by Necessity and Intellect; commentators have debated the relationship between them. Non-literalists hold that the demiurge, having carte blanche in taming Necessity, is omnipotent. But this omnipotence, alongside the attributes of benevolence and omniscience, creates problems when non-literalists address the problem of evil. We take the demiurge rather as limited by Necessity. This position is supported by episodes within the text, and by its larger consonance with Plato’s philosophy of evil and responsibility. By recognizing (...) the analogy between man and demiurge, the literal reading provides a moral component that its non-literal counterpart lacks. (shrink)

Two of Plato’s dialogues, the Parmenides and the Timaeus, deal explicitly with the relationship between being and time. The former builds on the assumption that whatever is must be temporal, while the latter makes being and time mutually exclusive. This paper begins by examining how the argument develops in the Parmenides, specifically in the corresponding sections 140e1-142a1 and 151e3-155e3 of the first and the second deductions of the dialectical exercise, as well as in the corollary to the second deduction at (...) 155e4-157b5. It then compares this argument with the account of time given in Timaeus 37e6-39e2, which alludes to the account given in the Parmenides. In stressing the incompatibility of these two accounts, it highlights a remarkable feature they both share. Parmenides’ argument starts from the assumption that whatever is in time must be present, past or future, whether a process or a state resulting from a process. As he advances further in the game of Zenonian antilogies, however, he reduces the dimension of the present to a mere ‘now’, conceived of as a ‘stop’ in the process of becoming. In the corollary, he eventually removes the present from time the ‘instant’ in which a change between two mutually exclusive processes or states occurs. Timaeus, for his part, immediately rules out that the present is a temporal dimension, by restricting temporality to the past and the future. Thus, in both accounts, the present vanishes from time and temporal processes are made dependent on extratemporal conditions. However, Parmenides’ argument points to an extratemporal principle of indeterminacy allowing for change, while, for Timaeus, there are two extratemporal conditions for temporal processes, namely the being of the intelligible Forms, on the one hand, and a pre-cosmic, disorderly becoming in space, on the other. (shrink)

How does Plotinus interpret the chora in Plato’s Timaeus? For him, Timaeus 48e‑52d deals with matter (hyle). The identification of chora with hyle goes back to Aristotle’s Physics IV.2. Aristotle’s interpretation of Plato’s chora as matter was echoed by Theophrastus and the Stoics and prevailed in Middle‑Platonist, neo‑Pythagorean and early Christian authors. In addition to the identification of chora with hyle, the ancient interpreters of the Timaeus conflated hyle with Plato’s ananke (Tim. 47e‑48a). Plato himself distinguishes between chora and ananke. (...) The latter denotes everything that appears in the “receptacle” prior to the ordering of the world by the demiurge, while chora is another name for the receptacle itself. In Plato, the receptacle accounts for the fact both that there are transient images of intelligible beings and that these images appear to occupy a place, i.e. that they are spatially extended. This is why the receptacle is given its alternative name “ground” (chora) and why it is also called “place” (topos) and “seat” (hedra). Although the receptacle itself cannot be spatially extended in the same way as that which appears “in it”, it is the cause of spatial extension. For Plotinus, two characteristics of matter are of primary importance : lack of size and impassibility. In the treatise II.4.[12].2‑5, he highlights the former, and in III.6[26].7‑19 he elaborates on the latter, while commenting once again on the former. In III.6[26].7‑19, he argues that this conception of matter is in line with how Plato conceives of it in the Timaeus. The “receptacle” cannot be acted upon (paschein) nor can it possess any size (megethos). Only the images of true beings “in” it can. In doing so, however, they make matter appear to “stretch out” alongside themselves. But this is not actually the case, because matter itself has no extension. On one point, however, Plotinus’ account differs from Plato’s. According to Plotinus, not only does matter not possess size, but it is not the cause of size either. The size of the appearances derives from the formulas (logoi) of which these appearances are images. Each formula encompasses within itself the measure of the size that its image will assume : the formula of horse encompasses the size of a particular horse, the formula of human being the size of a particular human being. Plotinus describes in more detail how a formula, in unfolding out of the soul, “stretches out”, thus acquiring size. He also makes a comparison between this process and the way in which formulas in the human soul display images of themselves in our image‑making faculty. He characterises this process as a motion starting from the formula and resulting in its “division” (merismos). This is what makes the image of the formula extended, i.e. divided partes extra partes, when it appears against the invisible background of matter. Since matter neither possesses size nor is the cause of it, it can be called “ground” (chora), “place” (topos) or “seat” (hedra) only in an improper way. (shrink)

The Timaeus is perhaps the most unusual of Plato’s dialogues. In this paper, I attempt to interpret Timaeus’s strange speech, which makes up most of the dialogue. I argue that Timaeus has grasped the grave challenge posed to philosophic reason by men like Hesiod who claim that mysterious gods are the first causes of the world, and therefore one cannot say that there are any true necessities governing this world. If this is true, then philosophy, as the study of nature, (...) which depends on the existence of necessity, would be impossible. Timaeus articulates two serious attempts to meet this challenge by demonstrating the stability and rational comprehensibility of the world from solid first principles: one according to which mind is the cause of all things; another according to which everything comes to be through mindless necessity. But he ultimately suggests that neither of these attempts have been successful, thereby demonstrating the limits of natural science’s ability to meet the religious challenge. Timaeus’s speech also has a rhetorical purpose related to this failure: insofar as he finds himself unable adequately to meet the religious challenge, and yet is still attracted to and finds worthwhile the pursuit of philosophy, he thinks a rhetorical account of the cosmos is necessary to shore up faith in reason for elite and educated young men who find themselves inclined to natural science. The more rhetorical aspects of Timaeus’s speech, and above all his account of the triangles, serve this purpose. (shrink)

In the Timaeus, Plato’s Timaeus offers an account of the sensible world in terms of “images” of forms. Often, images are taken to be particulars: either objects or particular property instances (tropes). Contrary to this trend, I argue that images are general characteristics which are immanent in the receptacle, or bundles of such characteristics. Thus, the entire sensible world can be analysed in terms of immanent general characteristics, the receptacle, and forms. Hence, for Timaeus, fundamentally, there are no sensible particulars. (...) I end by arguing that my interpretation is compatible with Timaeus’ construction of sensible entities from triangles. (shrink)

The Timaeus is a muthos that attempts to imagine a logos of the cosmos. Like the demiurge, readers are to be mimetic artists, poets, who move constantly between the intelligible essences and their likenesses in the world of appearance, experience, and becoming, occupying a third register that is neither and both. The cosmology of the Timaeus is both a likely story and an allegory of its own failure. It takes place within the nonspace of the khōra, a realm accessible only (...) through bastard reasoning that we can perceive only as if in a dream. The Timaeus is an unfinalizable logos in which each moment of positing is also a moment of irony and interrogation, of simultaneous acceptance and active separation, of choric space. (shrink)

One short passage on what is called the Receptacle in Plato’s Timaeus has been the subject of much controversy since Cherniss presented an alternative reading of it in 1954. In this paper, I criticize an influential argument presented by Zeyl for a traditional reading, and propose a new interpretation which adopts the alternative reading on important sentences of the passage, but is not accompanied by the defects of Cherniss’ interpretation.

In Plato’s Timaeus, two different theories – the Receptacle theory and the geometrical particle theory – are presented to explain change in the natural world. In this paper, I argue that there is tension between the two theories. After examining several possible solutions for this tension, I conclude that Plato does not present it as something ready to be solved within the dialogue but, rather, as something to be understood in a way that maintains both theories. Finally, I also argue (...) that the contrast between the two theories in the Timaeus derives from a similar contrast in the Phaedo. (shrink)