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from Aristotle's Metaphysics, * 1015b16-1017a6, translated by W. D. Ross, Greek Fonts
Things, then, that are continuous in any
way called one, even if they admit of being bent, and still more those
which cannot be bent; e.g. the shin or the thigh is more one than the
leg, because the movement of the leg need not be one. And the straight
line is more one than the bent; but that which is bent and has an
angle we call both one and not one, because its movement may be either
simultaneous or not simultaneous; but that of the straight line is
always simultaneous, and no part of it which has magnitude rests while
another moves, as in the bent line. (b)(i) Things are called one in another sense because their substratum does not differ in kind; it does not differ in the case of things whose kind is indivisible to sense. The substratum meant is either the nearest to, or the farthest from, the final state. For, one the one hand, wine is said to be one and water is said to be one, qua indivisible in kind; and, on the other hand, all juices, e.g. oil and wine, are said to be one, and so are all things that can be melted, because the ultimate substratum of all is the same; for all of these are water or air. |
τά τε δὴ ὅλως συνεχῆ ἓν λέγεται κἂν ἔχῃ κάμψιν͵ καὶ ἔτι μᾶλλον τὰ μὴ ἔχοντα κάμψιν͵ οἷον κνήμη ἢ μηρὸς σκέλους͵ ὅτι ἐνδέχεται μὴ μίαν εἶναι τὴν κίνησιν τοῦ σκέλους. καὶ ἡ εὐθεῖα τῆς κεκαμμένης μᾶλλον ἕν· τὴν δὲ κεκαμμένην καὶ ἔχουσαν γωνίαν καὶ μίαν καὶ οὐ μίαν λέγομεν͵ ὅτι ἐνδέχεται καὶ μὴ ἅμα τὴν κίνησιν αὐτῆς εἶναι καὶ ἅμα· τῆς δ΄ εὐθείας ἀεὶ ἅμα͵ καὶ οὐδὲν μόριον ἔχον μέγεθος τὸ μὲν ἠρεμεῖ τὸ δὲ κινεῖται͵ ὥσπερ τῆς κεκαμμένης. ἔτι ἄλλον τρόπον ἓν λέγεται τῷ τὸ ὑποκείμενον τῷ εἴδει εἶναι ἀδιάφορον· ἀδιάφορον δ΄ ὧν ἀδιαίρετον τὸ εἶδος κατὰ τὴν αἴσθησιν· τὸ δ΄ ὑποκείμενον ἢ τὸ πρῶτον ἢ τὸ τελευταῖον πρὸς τὸ τέλος· καὶ γὰρ οἶνος εἷς λέγεται καὶ ὕδωρ ἕν͵ ᾗ ἀδιαίρετον κατὰ τὸ εἶδος͵ καὶ οἱ χυμοὶ πάντες λέγονται ἕν (οἷον ἔλαιον οἶνος) καὶ τὰ τηκτά͵ ὅτι πάντων τὸ ἔσχατον ὑποκείμενον τὸ αὐτό· ὕδωρ γὰρ ἢ ἀὴρ πάντα ταῦτα. |
Reference address : https://ellopos.net/elpenor/greek-texts/ancient-Greece/aristotle_one.asp?pg=4