SOCRATES: Then the whole is not made up of parts, for it would be the all, if consisting of all the parts? THEAETETUS: That is the inference. SOCRATES: But is a part a part of anything but the whole? THEAETETUS: Yes, of the all. SOCRATES: You make a valiant defence, Theaetetus. And yet is not the all that of which nothing is wanting? THEAETETUS: Certainly. SOCRATES: And is not a whole likewise that from which nothing is absent? but that from which anything is absent is neither a whole nor all;— if wanting in anything, both equally lose their entirety of nature. THEAETETUS: I now think that
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