Sophist

…in the Parmenides and the Sophist he became the first philosopher to demonstrate these problems.

…of the discussion in the Sophist is an “Eleatic stranger.” Sophistry seems to involve trafficking in falsity, illusion, and not-being. Yet these are puzzling in light of the brilliant use by the historical Parmenides (also an Eleatic) of the slogan that one cannot think or speak of what is not.…

…the Parmenides but in the Sophist of Plato. There Plato argued that the antinomy between on and mē-on (Being and Not-Being) does not really exist, the only real antinomy being that of tauton and heteron—i.e., only that of a single object of consciousness in its present determination and all other…

…the work begun by the Sophists and by Socrates. In the Sophist, he distinguished affirmation from negation and made the important distinction between verbs and names (including both nouns and adjectives). He remarked that a complete statement (logos) cannot consist of either a name or a verb alone but requires…