Online research in philosophy

John Palmer presents a new and original account of Plato's uses and understanding of his most important Presocratic predecessor, Parmenides. Adopting an innovative approach to the appraisal of intellectual influence, Palmer first explores the Eleatic underpinnings of central elements in Plato's middle-period epistemology and metaphysics and then shows how in the later dialogues Plato confronts various sophistic appropriations of Parmenides.

There is a mystery at the heart of Plato’s Parmenides. In the first part, Parmenides criticizes what is widely regarded as Plato’s mature theory of Forms, and in the second, he promises to explain how the Forms can be saved from these criticisms. Ever since the dialogue was written, scholars have struggled to determine how the two parts of the work fit together. Did Plato mean us to abandon, keep, or modify the theory of Forms, on the strength of Parmenides’ criticisms? Samuel Rickless offers something that has never been done before: a careful reconstruction of every argument in the dialogue. He concludes that Plato’s main aim was to argue that the theory of Forms should be modified by allowing that forms can have contrary properties. To grasp this is to solve the mystery of the Parmenides and understand its crucial role in Plato’s philosophical development.

William F. Lynch, S. J. An Approach to the Metaphysics of Plato through the Parmenides, Georgetown University Press, 1959, 255 pp. $ 6.00 Robert S. Brumbaugh, Plato on the One. The Hypotheses in the Parmenides, Yale University Press, New Haven 1961, 365 pp. $ 6.50.

A review of Plato's Parmenides, The Conversion of the Soul, by Mitchell H. Miller Junior. The Parmenides is seen as offering readers a chance to appropriate fully by critical and conceptual inquiry what was given in the Republic in the modes of image and analogy.

v. 1. Plato's Parmenides: history and interpretation from the old academy to later platonism and gnosticism -- Section 1: Plato, from the the old academy to middle platonism -- Section 2: Middle platonic and gnostic texts -- v. 2. Plato's Parmenides: its reception in neoplatonic, Jewish, and Christian texts -- Section 1: Parmenides interpretation from Plotinus to Damascius -- Section 2: The hidden influence of the Parmenides in philo, origen, and later patristic thought.

Exemplification can be found in ontologies from the ancient world, such as those of Plato and Aristotle, and more recent ontologies, in particular those that take what exists to be determined by the empiricist’s Principle of Acquaintance. This study examines some of the ways in which exemplification takes different forms in these different ontologies. Exemplification has also been criticized as an ontological category. This paper examines a number of these criticisms, to see the extent to which they are viable.

Gilbert Ryle has argued that Plato's Theory of Forms is a "logically vicious" doctrine because it's fundamental concept of exemplification leads to a vicious infinite regress. David Armstrong and Alan Donagan have agreed with Ryle. After making Ryle's argument logically explicit, I show the exemplification regress is illusory. Exemplification is a genuine universal alongside other relations; there is nothing paradoxical in its being exemplified over and over and over ... Platonism can define logical properties of this relation but not the relation itself, however.