τὸ Α αὐτὸ οὐχ ὁρᾶται ἐν τῷ ἐσόπτρῳ, ἀλλὰ τὸ εἴδωλον αὐτοῦ, ὃ ἔσω που τῇ νοήσει τοῦ ἐσόπτρου ὁρώμενον κατὰ τὴν σύμπτωσιν ὁρᾶται κατὰ τὸ Ε, ἐπειδή, εἰ ἐπʼ εὐθείας εἰσὶν αἱ ὁράσεις, τὸ Β ἔσω που τοῦ ἐνόπτρου ὄψεται, εἰ δὲ ἔσω, ἀνάγκη ἀπὸ τοῦ ὁρωμένου
ἀχθεῖσαν εἰς σύμπτωσιν αὐτῆς φθάσαι, ὡς ἔσται τόπος τοῦ ἔσω δοκοῦντος ἐν τῷ ἐνόπτρῳ φαίνεσθαι.
Scholia in Euclidis catoptrica (scholia vetera). Scholia in Euclidem. ed. Johan Ludvig Heiberg, ed. H. Menge. United States. 2018.
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