[306] Alexander Aphrod. in Aristotelis Metaphys. p. 133, 33 Bon. 178, 15 Hayd. ἀλλ’ εἰ καὶ ἔστι τι καθ’ αὑτὸ αἴτιον παρὰ τὴν ὕλην, καὶ ἄλλο τί φησι δεῖν ἐπισκέψασθαι, πότερον τοῦτό ἐστι κεχωρισμένον ὕλης καὶ αὐτὸ καθ’ αὑτὸ ὑφεστὼς ἢ ἐν τῇ ὕλῃ, ὁποῖόν ἐστι τὸ ἔνυλον εἶδος καὶ ὡς τοῖς ἀπὸ τῆς Στοᾶς ἔδοξεν ὁ θεὸς καὶ τὸ ποιητικὸν αἴτιον ἐν τῇ ὕλῃ εἶναι. Cf. Asclepius in Aristot. Metaphys. p. 146, 15 Hayd.