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[478a] that opinion is a different1 thing from scientific knowledge.” “Yes, different.” “Each of them, then, since it has a different power, is related to a different object.” “Of necessity.” “Science, I presume, to that which is, to know the condition of that which is. But opinion, we say, opines.” “Yes.” “Does it opine the same thing that science knows, and will the knowable and the opinable be identical, or is that impossible?” “Impossible by our admissions,2” he said. “If different faculties are naturally related to different objects

1 Plato reaffirms this strongly Timaeus 51 E, where, however,νοῦς is used, not ἐπιστήμη. Of course where distinctions are irrelevant Plato may use many of the terms that denote mental processes as virtual synonyms. Cf. Unity of Plato's Thought pp. 47-49.

2 Cf. Symposium 200 B, 201 D.

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  • Commentary references to this page (2):
    • Sir Richard C. Jebb, Commentary on Sophocles: Electra, 370
    • J. Adam, A. M. Adam, Commentary on Plato, Protagoras, CHAPTER XXII
  • Cross-references to this page (1):
    • Basil L. Gildersleeve, Syntax of Classical Greek, Concord
  • Cross-references in general dictionaries to this page (1):
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