Note 91 — Chapter VIII · PLATONIC COMPOSITIONS GENERALLY.
Reading edition
Aristotel. Topica, i. p. 101, a. 29, with the Scholion of Alexander of Aphrodisias, who remarks that the habit of colloquial debate had been very frequent in the days of Aristotle, and afterwards; but had comparatively ceased in his own time, haying been exchanged for written treatises. P. 254, b. Schol. Brandis, also Plato, Parmenid. pp. 135, 136, and the Commentary of Proklus thereupon, p. 776 seqq., and p. 917, ed. Stallbaum.