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Str. You have caught my meaning at once, Theaetetus. For I certainly do mean that this is the best method for us to use, by questioning them directly, as if they were present in person; so here goes: Come now, all you who say that hot and cold or any two such principles are the universe, what is this that you attribute to both of them when you say that both and each are? What are we to understand by this being (or are) of yours? Is this a third principle besides those two others, and shall we suppose that the universe is three, and not two any longer, according to your doctrine? For surely when you call one only of the two being you do not mean that both of them equally are; for in both cases In both cases, i.e. whether you say that one only is or that both are, they would both be one, namely being. they would pretty certainly be one and not two.
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Theaet. True.
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Str. Well, then, do you wish to call both of them together being?
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Theaet. Perhaps.
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Str. But, friends, we will say, even in that way you would very clearly be saying that the two are one.
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Theaet. You are perfectly right.
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Str. Then since we are in perplexity, do you tell us plainly what you wish to designate when you say being. For it is clear that you have known this all along, whereas we formerly thought we knew, but are now perplexed. So first give us this information, that we may not think we understand what you say, when the exact opposite is the case.— If we speak in this way and make this request of them and of all who say that the universe is more than one, shall we, my boy, be doing anything improper?
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Theaet. Not in the least.
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Str. Well then, must we not, so far as we can, try to learn from those who say that the universe is one The Eleatic Zeno and his school. what they mean when they say being?
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Theaet. Of course we must.
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Str. Then let them answer this question: Do you say that one only is? We do, they will say; will they not?
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Theaet. Yes.
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Str. Well then, do you give the name of being to anything?
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Theaet. Yes.