Note 135 — Chapter XII · DE ANIMÂ, ETC.
Reading edition
Ibid. b. 18: διὸ καὶ τὸ ἐφεξῆς θηρεύομεν νοήσαντες ἀπὸ τοῦ νῦν ἢ ἄλλου τινός, καὶ ἀφ’ ὁμοίου ἢ ἐναντίου ἢ τοῦ σύνεγγυς.
About the associative property of Contraries see also De Somno et Vigil. i. p. 453, b. 27.