Note 133 — Chapter III · * OTHER COMPANIONS OF SOKRATES.
Reading edition
Plato, Parmenidês, p. 131. Compare also Philêbus, p. 15, and Stallbaum’s Proleg. to the Parmenidês, pp. 46-47. The long commentary of Proklus (v. 100-110. pp. 670-682 of the edition of Stallbaum) amply attests the δυσκολίαν of the problem.
The argument of Parmenidês (in the dialogue called Parmenidês) is applied to the Platonic εἴδη and to τὰ μετέχοντα. But the argument is just as much applicable to attributes, genera, species: to all general predicates.