The avowed purpose of Plato’s Sophist is to characterize the sophist. In the first part of his book, Plato employs the method of divisions to obtain this characterization, and eventually arrives at the conclusion that the sophist is an imitator and that “there is an art, concerned with speeches, by which it is possible to beguile the young” (234c). From here it is short shrift to arrive at the ...

Accuracy of treatment planning systems may significantly influence the efficacy of brachytherapy. The purpose of this work is a detailed, varied and independent evaluation of an in-house brachytherapy treatment planning software called STPS. Operational accuracy of STPS was investigated. Geometric tests were performed to validate entry and reconstruction of positional information from scanned o...

READERS OF PLATO’S dialogues would recognize a constantly renewed desire to define philosophy and to distinguish it from sophistry, rhetoric, poetry, etc. One suspects that this attempt to delimit philosophy as a discourse is itself what philosophizing is. In Plato, reflexivity is already inscribed into the nature of philosophical activity. The Phaedo and the Phaedrus are two of Plato’s dialogu...

Plato links pleasure with illusion, and this link explains his rejection of the view that all desires are rational desires for the good. The Protagoras and Gorgias show connections between pleasure and illusion; the Republic develops these into a psychological theory. One part of the soul is not only prone to illusions, but also incapable of the kind of reasoning that can dispel them. Pleasure ...

There are two places in Plato’s Dialogues in which he discusses his conception of scientific explanation: the passages on the ‘second best method’ in the Phaedo and the passages on noēsis in the Divided Line simile in Book VI of the Republic. I have written about the first of these in [1986] and I want to discuss the second of them here. The conception in question is of what we would call exact...