ὡσαύτως οὐχὶ πρὸς τῇ περιφερείᾳ, ἀλλʼ ὑποκάτω τοῦ ∠ καὶ οὕτως ὡς καὶ εὐθείας ἀπὸ τοῦ Β πρὸς ὀρθὰς κατηγμένης διὰ τῶν ∠, Ε διῆχθαι. ἀλλὰ δὴ καὶ τοῦ Ζ· καὶ τὸ Ν γὰρ ὑποκάτω τοῦ Ε ὀφθήσεται καὶ οὐ πρὸς τῇ περιφερείᾳ. τὸν αὐτὸν δὲ τρόπον καὶ ἀπὸ τοῦ Γ,
ὡς φαίνεσθαι ἐπὶ μιᾶς εὐθείας τῆς ΒΓ τὰ Β, ∠, Ε, Ζ, Η, Θ, Γ στοιχεῖα.
Scholia in Euclidis optica (scholia vetera). Scholia in Euclidem. ed. Johan Ludvig Heiberg, ed. H. Menge. United States. 2018.
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