Certainly.

And he who says that thing says that which is?

Yes.

And he who says that which is, says the truth. And therefore Dionysodorus,
if he says that which is, says the truth of you and no lie.

Yes, Euthydemus, said Ctesippus; but in saying this, he says what is not.

Euthydemus answered: And that which is not is not?

True.

And that which is not is nowhere?

Nowhere.

And can any one do anything about that which has no existence, or do to
Cleinias that which is not and is nowhere?

I think not, said Ctesippus.

Well, but do rhetoricians, when they speak in the assembly, do nothing?

Nay, he said, they do something.

And doing is making?