[254d]
permitted us to say that not-being really is, although not being, and yet come off unscathed.
Theaetetus
Yes; that is the proper thing for us to do.
Stranger
The most important, surely, of the classes or genera are those which we just mentioned; being itself and rest and motion.
Theaetetus
Yes, by far.
Stranger
And further, two of them, we say, cannot mingle with each other.
Theaetetus
Decidedly not.
Stranger
But being can mingle with both of them, for they both are.
Theaetetus
Of course.
Stranger
Then these prove to be three.
Theaetetus
To be sure.
Stranger
Each of them is, then, other than the remaining two, but the same as itself.
