Ancient Greek
Section 28
Scholia in Euclidem, Scholia in Euclidis catoptrica (scholia vetera) 28
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28. Οὐκοῦν ἀπὸ τοῦ κυρτοῦ p. 318, ἐὰν γὰρ τὸ κέντρον λαβόντες τῆς σφαίρας ἀπʼ αὐτοῦ ἐπιζεύξωμεν ἐπὶ τὸ ὁρώμενον καὶ ἐκβάλωμεν ὡς ἐν τοῖς πρὸ αὐτοῦ, θεωρηθήσεται τὸ Ε∠ ἐν γωνίᾳ τῇ ὑπὸ ΑΒΓ, ὥσπερ καὶ ἐν τοῖς προλαβοῦσιν· τὰ γὰρ ὁρώμενα πάντα ἐν γωνίᾳ ὁρᾶται.