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Plato On Episteme And Propositional Knowledge, Denis Vlahovic

The Society for Ancient Greek Philosophy Newsletter

Epistêmê cannot just be a matter of knowing a logos. Knowledge, it appears, is demonstrated not in the knowledge of any particular logos, but in the ability to defend a logos against refutation. It is precisely the latter ability that is characteristic of epistêmê. This ability, furthermore, cannot be imparted by means of a logos. For, no logos suffices to endow its possessor with the ability to defend it (i.e., the logos) against refutation.

Given that Plato appears to have believed that no knowledge of a logos—no matter how elaborate the logos—is sufficient for epistêmê, one can see why he …