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ἐκείνης τῆς οὐσίας. For the genitive cf. IV 445 E note

γενέσεως καὶ φθορᾶς have not yet been employed in this half-technical sense (Krohn Pl. St. p. 112). The substance of the Ideas always ‘is’: that of phenomena ‘is driven to and fro by generation and destruction’—by generation when it becomes determined in one particular direction (e.g. καλόν, ἵππος, ἄνθρωπος), by destruction when it loses that particular determination and puts on another. Cf. V 479 A, B. Plato's form of expression seems to imply that there is a sort of οὐσία or substratum in phenomena. At a later stage he seems to have identified this with space—the ἐκμαγεῖονκινούμενόν τε καὶ διασχηματιζόμενον ὑπὸ τῶν εἰσιόντων, φαίνεται δὲ δἰ ἐκεῖνα ἄλλοτε ἀλλοῖον (Tim. 50 C): but of this there is no hint here. Cf. Zeller^{4} II 1. p. 725.

πάσης αὐτῆς: i.e. οὐσίας τῆς ἀεὶ οὔσης, not (as Ast) ἐπιστήμης or μαθήσεως.

οὔτε τιμιωτέρου κτλ. Cf. Parm. 130 C—E.

πρόσθεν. V 474 D—475 B.

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  • Commentary references from this page (2):
    • Plato, Parmenides, 130c
    • Plato, Timaeus, 50c
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