Sokrates was much more eristic than Protagoras, who generally manifested himself by continuous speech or lecture.
Here, then, is a double indication of the connexion of the Parmenides with the eristic school.
Lucian's references to the school are as eristic or argumentative.
According to Aristotle himself, therefore, the Dialectician is agonistic and eristic, just as much as the Sophist.
Here again we catch a glimpse rather of a Socratic or eristic than of a Sophist in the ordinary sense of the term.
He belonged to the fighting class, and was further distinguished as a hero of debate, who professed the eristic art.