Note 20 — Chapter IV · DE INTERPRETATIONE.
Reading edition
Ibid. p. 18, b. 29. Ammonius (Scholia ad De Interpret. p. 119, bb. 18, 28, seq.) expresses Aristotle’s meaning in terms more distinct than Aristotle himself: μὴ πάντως ἔχειν τὸ ἕτερον μόριον τῆς ἀντιφάσεως ἀφωρισμένως ἀληθεῦον, &c. (b. 43).