Chapter

‘Knowledge is Perception’

David Sedley

in The Midwife of Platonism

Published in print May 2004 | ISBN: 9780199267033
Published online January 2005 | e-ISBN: 9780191601828 | DOI: http://dx.doi.org/10.1093/0199267030.003.0002
‘Knowledge is Perception’

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Does not directly advance the book’s argument, but prepares the ground by examining the ‘secret doctrine’ set up by Socrates in investigating the dialogue’s first serious definition, ‘Knowledge is perception’. Its key components are the relativist thesis of Protagoras that ‘Man is the measure of all things’, and the doctrine associated with Heraclitus and others that everything is in flux.

Keywords: flux; Heraclitus; knowledge; measure; perception; Protagoras; Protagoreanism; relativism

Chapter.  7104 words. 

Subjects: Ancient Philosophy

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