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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 …

Aristotle's Formal Language, Mary Mulhern

The Society for Ancient Greek Philosophy Newsletter

A formal language was invented by Aristotle and used by him in his lectures. This formal language consisted of Greek capital letters used as placeholders, arrayed in the schemata of the three figures recognized as authentically Aristotle’s. In these arrays, arcs under the placeholder letters indicate how the terms are linked in the premisses and conclusion and are read as some inflection of ΰπάρχειν, used by Aristotle as a second- order expression to convey the relation that the terms—not the designata of the terms-of a syllogism have to one another. It is further possible that Aristotle elaborated the three- term …