El avance de los estudios sobre filosofías socráticas ha permitido una vuelta renovada al examen de pasajes intertextuales en el corpus platónico. El presente trabajo explora pasaje del sueño de Teeteto, 201c ss. y sus vínculos con la filosofía antisténica. En primer lugar, analiza las características de esta obra en el contexto del diálogo socrático. En segundo lugar, traza las coordenadas exegéticas del pasaje del sueño, y finalmente, ofrece una interpretación de la filosofía antisténica que revela contactos relevantes con el (...) planteo platónico. Por esta vía, se despliega una hipótesis sobre el sentido general del diálogo y su modo de comprender el fenómeno del conocimiento. (shrink)

Section 1 contrasts the approaches to Plato of F.M.Cornford and Gilbert Ryle, two of the early twentieth century’s leading Plato interpreters. Then I trace and evaluate attempts to discern in Plato’s Theaetetus a recognition of the role of the proposition. Section 2 focuses on the hunting of the proposition in Socrates’ Dream in the Theaetetus. Ryle, inspired by Logical Atomism, argued that Plato there anticipated an insight about the difference between names and propositions that Russell credited to Wittgenstein. I rehearse (...) difficulties for understanding the logos of the Dream as a proposition, preferring a reading of logos there as something like definition: a reading Wittgenstein also adumbrated. Section 3 examines attempts by writers such as Burnyeat and Kahn to find Plato allocating a starring role to the proposition in the argument at Theaetetus 185–6: perception, since it cannot grasp being, cannot grasp truth and hence cannot be knowledge. On their reading a grasp of being is understood as a grasp of something propositional. Problems for the propositional reading include Socrates’ talk of grasping ‘the truth of something’ (alētheia tinos), and the way the dialogue develops after 186. (shrink)

One of Plato’s central tenets is that we can know forms. In Parmenides 133b4–134b5, Plato presents an argument whose sceptical conclusion is that we can’t know forms. Although he indicates that the argument doesn’t succeed, he also says it’s difficult to explain how it fails. Commentators have suggested a variety of flaws. I argue that the argument can be defended against some, though not all, of the alleged flaws. But I also argue that Plato hints at a crucial distinction that (...) hasn’t been brought to bear in this context, and that indeed he is sometimes thought not to draw: that between the content and object of knowledge. Once we are clear about this distinction, we can see that the sceptical argument doesn’t imply that we can’t know forms. (shrink)

Drawing inspiration from a well-attested historical tradition, I propose an account of cognition according to which knowledge is not only prior to belief; it is also, and crucially, not a kind of belief. Believing, in turn, is not some sort of botched knowing, but a mental state fundamentally different from knowing, with its own distinctive and complementary role in our cognitive life. I conclude that the main battle-line in the history of epistemology is drawn between the affirmation of a natural (...) mental state in which there is a contact between ‘mind’ and ‘reality’ and the rejection of such a natural mental state. For the former position, there is a mental state which is different in kind from belief, and which is constituted by the presence of the object of cognition to the cognitive subject, with no gap between them. For the latter position, all our cognition is belief, and the question becomes how and when belief is permissible. (shrink)

It is often claimed that Plato’s definition of knowledge as “true opinion with an account” is in agreement with the contemporary analysis of knowledge as “justified true belief”. Some scholars disagree with the attribution of JTB to Plato. I analyze three influential arguments against the assumption of Plato’s agreement with JTB, and refute them. Then I provide my own argument against the assumption. I argue that the contemporary interpretation of the JTB formula understands “belief” not in the sense of an (...) “opinion,” but rather of a “degree of confidence.” Accordingly, “justification” is understood not as applying to the opinion itself, but rather to the person having a certain degree of confidence. I support this claim by showing the difference between the traditional and the contemporary understanding of “evidence,” the former referring to a property of the proposition, while the latter meaning the body of reasons, which supports the person’s confidence to a certain degree. Thus, I conclude that Plato understands knowledge as “correct opinion validated by a rational explanation,” and it has very little in common with the contemporary understanding of knowledge as “sufficiently supported subjective degree of confidence in the truth of a proposition.”. (shrink)

Myles Burnyeat maintains that Aristotelian epistêmê, in so far as it deals with explanations, is properly identified as understanding rather than as knowledge. Although Burnyeat is right in thinking that the cognitive achievement Aristotle typically has in mind is not justified true belief, Aristotelian epistêmê cannot be equated with understanding. On some occasions in Aristotle's writings (e.g. Apo 71a4), the term designates a particular science such as mathematics; on others (e.g. Apo 72b18-20), it designates the grasp of a first principle; (...) on others (e.g. Apo 94a20) it is a systematic grasp of fact and explanation that is properly termed understanding; and on still others (e.g. N. Ethics 1147a22) it is that combination of factual knowledge and competency in demonstration that qualifies as expertise or disciplinary mastery. (shrink)

There is a traditional conception of knowledge but it is not the Justified True Belief analysis Gettier attacked. On the traditional view, knowledge consists in having a belief that bears a discernible mark of truth. A mark of truth is a truth-entailing property: a property that only true beliefs can have. It is discernible if one can always tell that a belief has it, that is, a sufficiently attentive subject believes that a belief has it if and only if it (...) has it. Requiring a mark of truth makes the view infallibilist. Requiring it to be discernible makes the view internalist. I call the view Classical Infallibilism. (shrink)

The paper examines Socrates' avowals and disavowals of knowledge in the standardly accepted early Platonic dialogues. All of the pertinent passages are assembled and discussed. It is shown that, in particular, alleged avowals of knowledge have been variously misinterpreted. The evidence either does not concern ethical knowledge or its interpretation has been distorted by abstraction of the passage from context or through failure adequately to appreciate the rhetorical dimensions of the context or the author's dramaturgical interests. Still, six sincere Socratic (...) avowals or assumptions of ethical knowledge occur among the early dialogues. Moreover, it is maintained that in a number of these texts Socrates is committed to the epistemological priority of definitional knowledge of excellence for pertinent non-definitional knowledge (for example, that knowledge of the definition of justice is necessary for knowledge of instances of justice). Thus, there are inconsistencies among Socrates' avowals and disavowals of ethical knowledge. It is argued that the most important recent attempts to resolve Socrates' avowals and disavowals of knowledge (for example, Vlastos's) fail. A novel interpretation is then offered that depends upon a fundamental adjustment in the interpretation of Socrates' utterances in the texts. The practice of assembling all of Socrates' topic-relevant utterances, divorced from context, and attempting to distill from these consistent philosophical principles is rejected as naïve. In contrast, it is argued that Plato uses Socrates in various ways in various texts in order to achieve certain pedagogical objectives. Accordingly, Socrates' utterances do not all have the same hermeneutic status. On this depends the correct interpretation of Socrates' occasional avowals of ethical knowledge as well as the general epistemological, specifically ethical epistemological commitments that Plato intended to advance in the early dialogues. The paper concludes with an explanation of the function of Socrates' occasional avowals of ethical knowledge as well as an account of the ethical epistemological commitments that Plato intended to advance among the early dialogues. (shrink)

In this second installment on the Theaetetus, I discuss Theaetetus' second and third definitions of knowledge, namely, ‘true judgment’ and then ‘true judgment with the addition of an account’. I offer a brief description of Socrates' intricate examination of these suggestions, concentrating especially on the discussion of false judgment and that of the so-called ‘Dream Theory’. I then proceed to map different lines of interpretation for these passages that have been offered by scholars writing in the last 40 years.

This paper argues for the presence in Plato’s work of a conception of thinking central to which is what I call the Transparency View. According to this view, in order for a subject to think of a given object, the subject must represent that object just as it is, without inaccuracy or distortion. I examine the ways in which this conception influences Plato’s epistemology and metaphysics and explore some ramifications for contemporary views about mental content.

Plato's depiction of the world soul's cognitive activity in Timaeus 37 A 2‐C 5 offers a general account of intellectual cognition. He gives this account by describing the activity of an ideal cognitive agent, involving the very same comparative mechanism that governs human intellectual activity, namely, the active production of a propositional grasp of sameness and difference that things have in relation to each other in several respects. Plato depicts the world soul's intellectual activity as entirely devoid of immediate forms (...) of cognition such as perception and/or intellectual intuition: everything the world soul cognizes is the outcome of its active comparison of things with each other. In particular, there is no direct cognitive grasp of the being of things. The paper ends with a suggestion as to how to understand Plato's account of the world soul's activity as an instance of the ‘like is known by like’ principle of cognition. (shrink)

La tercera propuesta para definir qué es la epistēmē, que se encuentra al final del Teeteto platónico, fue clásicamente insumida en el elenco de los pioneros de la tesis según la cual el conocimiento debe entenderse como creencia verdadera justificada. Sin embargo, la situación filosófica de este diálogo es más compleja. Me propongo examinar aquí la manera en que Platón presenta a través de la doctrina del sueño –una teoría que exhibe manifiestas similitudes con el atomismo lógico– una discusión acerca (...) de distintas alternativas relativas a la justificación, como estrategia interpretativa para ponderar de qué manera pueden resultar las ideas piezas indispensables de la epistēmē. Creo que ello nos conduce tanto a reexaminar seriamente la teoría del conocimiento y la metafísica tradicionalmente adscrita a Platón, a partir de conceptos como los de parte y todo, como también a valorar mejor la posición platónica acerca de cuestiones epistemológicas y semánticas. (shrink)

We examine the discussion about the definition of knowledge as true judgment accompanied by logos in Theaetetus 201c-210c, in order to ascertain which of the recent alternative interpretations is more consistent with the text. To accomplish this, we intend to analyze the text and explore in detail the secondary literature about it.

For Plato, the crucial function of human cognition is to grasp truths. Explaining how we are able to do this is fundamental to understanding our cognitive powers. Plato addresses this topic from several different angles. In the Cratylus and Theaetetus, he attempts to identify the elemental cognitions that are the foundations of language and knowledge. He considers several candidates for this role, most notably, perception and simple meaning-bearing concepts. In the first section, we will look at Plato’s worries about semantic (...) instability and its epistemic consequences. The central role of basic cognitions in Plato’s account of knowledge in the Theaetetus will be explored in the second section. In the final section, the relevance of Plato’s conception of cognition to modern discussions in the philosophy of language and epistemology will be noted. (shrink)

With the use of a particular metaphor, which appears at the end of the Cratylus and is taken up with perfect symmetry at the beginning of the Theaetetus, Plato certainly wanted to indicate the succession of Cratylus–Theaetetus as an order for reading the two dialogues, which Trasillus faithfully reproduced in structuring the second tetralogy of Platonic dialogues. The claim of the theory of ideas, with which the Cratylus ends, must therefore be considered the background in which to place not only (...) the analysis of the name carried out in the Cratylus, but also the discussion and criticism of the epistemological theories examined and refuted in the Theaetetus. The transition from the discussion of the name to that of the logos is another important theoretical element that connects the two dialogues. Another one is the theory of knowledge, already precisely elaborated in the Cratylus, and taken up and deepened in the Theaetetus. Finally, the theme of false and error is a third theoretical element common to the two dialogues, which, starting from Euthydemus, finds its solution in the Sophist. (shrink)

Plato's dialogues are set in fifth century Athens but they are performed for a fourth century audience. The context of his dialogues, then is wider perhaps than other philosophers and because of the difference in periods, it is clear that it is necessary for an audience member to possess knowledge of the events of the previous generation, viz., the fifth century BCE. When its cultural context is taken into account, the Theaetetus can not be read as an attempt by Plato (...) to establish an epistemology in the modern sense of the term. While the characters of the dialogue are searching for the 'essence' of knowledge, Plato is teaching the audience of the dialogue to consider the knowledge that different practices of paideia produce and to evaluate that knowledge in light of its implications on the individual and the polis. The answer that emerges is that philosophy is the paideia that will produce the best individual and the best polis, because it is only the practice of philosophy that teaches intellectual virtue. The Theaetetus is an account of the practice of philosophy and the practitioner of philosophy. (shrink)