DA gre, ed. W.D.Ross,ἔχει δʼἀπορίαν· εἰ γὰρ τὸ τῇ ὄψει αἰσθάνεσθαί ἐστιν ὁρᾶν, ὁρᾶται δὲ χρῶμα ἢ τὸ ἔχον, εἰ ὄψεταί τις τὸ ὁρᾶν, καὶ χρῶμα ἕξει τὸ ὁρᾶν πρῶτον.
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