Note 562 — Chapter LXVII · THE DRAMA. — RHETORIC AND DIALECTICS. — THE SOPHISTS.
Reading edition
Diogen. Laërt. ix, 65. Ἔσπετε νῦν μοι, ὅσοι πολυπράγμονές ἐστε σοφισταί (Diogen. Laërt. viii, 74).
Demetrius of Trœzen numbered Empedoklês as a sophist. Isokratês speaks of Empedoklês, Ion, Alkmæon, Parmenidês, Melissus, Gorgias, all as οἱ παλαιοὶ σοφισταί; all as having taught different περιττολογίας about the elements of the physical world (Isok. de Permut. sect. 288).