Superphysics Superphysics
Part 1

The Foreigner

by Plato Icon
10 minutes  • 2024 words

STRANGER: Since, then, we are agreed that some classes have a communion with one another, and others not, and some have communion with a few and others with many, and that there is no reason why some should not have universal communion with all, let us now pursue the enquiry, as the argument suggests, not in relation to all ideas, lest the multitude of them should confuse us, but let us select a few of those which are reckoned to be the principal ones, and consider their several natures and their capacity of communion with one another, in order that if we are not able to apprehend with perfect clearness the notions of being and not-being, we may at least not fall short in the consideration of them, so far as they come within the scope of the present enquiry, if peradventure we may be allowed to assert the reality of not-being, and yet escape unscathed.

THEAETETUS: We must do so.

STRANGER: The most important of all the genera are those which we were just now mentioning—being and rest and motion.

THEAETETUS: Yes, by far.

STRANGER: And two of these are, as we affirm, incapable of communion with one another.

THEAETETUS: Quite incapable.

STRANGER: Whereas being surely has communion with both of them, for both of them are?

THEAETETUS: Of course.

STRANGER: That makes up three of them.

THEAETETUS: To be sure.

STRANGER: And each of them is other than the remaining two, but the same with itself.

THEAETETUS: True.

STRANGER: But then, what is the meaning of these two words, ‘same’ and ‘other’? Are they two new kinds other than the three, and yet always of necessity intermingling with them, and are we to have five kinds instead of three; or when we speak of the same and other, are we unconsciously speaking of one of the three first kinds?

THEAETETUS: Very likely we are.

STRANGER: But, surely, motion and rest are neither the other nor the same.

THEAETETUS: How is that?

STRANGER: Whatever we attribute to motion and rest in common, cannot be either of them.

THEAETETUS: Why not?

STRANGER: Because motion would be at rest and rest in motion, for either of them, being predicated of both, will compel the other to change into the opposite of its own nature, because partaking of its opposite.

THEAETETUS: Quite true.

STRANGER: Yet they surely both partake of the same and of the other?

THEAETETUS: Yes.

STRANGER: Then we must not assert that motion, any more than rest, is either the same or the other.

THEAETETUS: No; we must not.

STRANGER: But are we to conceive that being and the same are identical?

THEAETETUS: Possibly.

STRANGER: But if they are identical, then again in saying that motion and rest have being, we should also be saying that they are the same.

THEAETETUS: Which surely cannot be.

STRANGER: Then being and the same cannot be one.

THEAETETUS: Scarcely.

STRANGER: Then we may suppose the same to be a fourth class, which is now to be added to the three others.

THEAETETUS: Quite true.

STRANGER: And shall we call the other a fifth class? Or should we consider being and other to be two names of the same class?

THEAETETUS: Very likely.

STRANGER: But you would agree, if I am not mistaken, that existences are relative as well as absolute?

THEAETETUS: Certainly.

STRANGER: And the other is always relative to other?

THEAETETUS: True.

STRANGER: But this would not be the case unless being and the other entirely differed; for, if the other, like being, were absolute as well as relative, then there would have been a kind of other which was not other than other. And now we find that what is other must of necessity be what it is in relation to some other.

THEAETETUS: That is the true state of the case.

STRANGER: Then we must admit the other as the fifth of our selected classes.

THEAETETUS: Yes.

STRANGER: And the fifth class pervades all classes, for they all differ from one another, not by reason of their own nature, but because they partake of the idea of the other.

THEAETETUS: Quite true.

STRANGER: Then let us now put the case with reference to each of the five.

THEAETETUS: How?

STRANGER: First there is motion, which we affirm to be absolutely ‘other’ than rest: what else can we say?

THEAETETUS: It is so.

STRANGER: And therefore is not rest.

THEAETETUS: Certainly not.

STRANGER: And yet is, because partaking of being.

THEAETETUS: True.

STRANGER: Again, motion is other than the same?

THEAETETUS: Just so.

STRANGER: And is therefore not the same.

THEAETETUS: It is not.

STRANGER: Yet, surely, motion is the same, because all things partake of the same.

THEAETETUS: Very true.

STRANGER: Then we must admit, and not object to say, that motion is the same and is not the same, for we do not apply the terms ‘same’ and ’not the same,’ in the same sense; but we call it the ‘same,’ in relation to itself, because partaking of the same; and not the same, because having communion with the other, it is thereby severed from the same, and has become not that but other, and is therefore rightly spoken of as ’not the same.’

THEAETETUS: To be sure.

STRANGER: And if absolute motion in any point of view partook of rest, there would be no absurdity in calling motion stationary.

THEAETETUS: Quite right,—that is, on the supposition that some classes mingle with one another, and others not.

STRANGER: That such a communion of kinds is according to nature, we had already proved before we arrived at this part of our discussion.

THEAETETUS: Certainly.

STRANGER: Let us proceed, then. May we not say that motion is other than the other, having been also proved by us to be other than the same and other than rest?

THEAETETUS: That is certain.

STRANGER: Then, according to this view, motion is other and also not other?

THEAETETUS: True.

STRANGER: What is the next step? Shall we say that motion is other than the three and not other than the fourth,—for we agreed that there are five classes about and in the sphere of which we proposed to make enquiry?

THEAETETUS: Surely we cannot admit that the number is less than it appeared to be just now.

STRANGER: Then we may without fear contend that motion is other than being?

THEAETETUS: Without the least fear.

STRANGER: The plain result is that motion, since it partakes of being, really is and also is not?

THEAETETUS: Nothing can be plainer.

STRANGER: Then not-being necessarily exists in the case of motion and of every class; for the nature of the other entering into them all, makes each of them other than being, and so non-existent; and therefore of all of them, in like manner, we may truly say that they are not; and again, inasmuch as they partake of being, that they are and are existent.

THEAETETUS: So we may assume.

STRANGER: Every class, then, has plurality of being and infinity of not-being.

THEAETETUS: So we must infer.

STRANGER: And being itself may be said to be other than the other kinds.

THEAETETUS: Certainly.

STRANGER: Then we may infer that being is not, in respect of as many other things as there are; for not-being these it is itself one, and is not the other things, which are infinite in number.

THEAETETUS: That is not far from the truth.

STRANGER: And we must not quarrel with this result, since it is of the nature of classes to have communion with one another; and if any one denies our present statement [viz., that being is not, etc.], let him first argue with our former conclusion [i.e., respecting the communion of ideas], and then he may proceed to argue with what follows.

THEAETETUS: Nothing can be fairer.

STRANGER: Let me ask you to consider a further question.

THEAETETUS: What question?

STRANGER: When we speak of not-being, we speak, I suppose, not of something opposed to being, but only different.

THEAETETUS: What do you mean?

STRANGER: When we speak of something as not great, does the expression seem to you to imply what is little any more than what is equal?

THEAETETUS: Certainly not.

STRANGER: The negative particles, ou and me, when prefixed to words, do not imply opposition, but only difference from the words, or more correctly from the things represented by the words, which follow them.

THEAETETUS: Quite true.

STRANGER: There is another point to be considered, if you do not object.

THEAETETUS: What is it?

STRANGER: The nature of the other appears to me to be divided into fractions like knowledge.

THEAETETUS: How so?

STRANGER: Knowledge, like the other, is one; and yet the various parts of knowledge have each of them their own particular name, and hence there are many arts and kinds of knowledge.

THEAETETUS: Quite true.

STRANGER: And is not the case the same with the parts of the other, which is also one?

THEAETETUS: Very likely; but will you tell me how?

STRANGER: There is some part of the other which is opposed to the beautiful?

THEAETETUS: There is.

STRANGER: Shall we say that this has or has not a name?

THEAETETUS: It has; for whatever we call not-beautiful is other than the beautiful, not than something else.

STRANGER: And now tell me another thing.

THEAETETUS: What?

STRANGER: Is the not-beautiful anything but this—an existence parted off from a certain kind of existence, and again from another point of view opposed to an existing something?

THEAETETUS: True.

STRANGER: Then the not-beautiful turns out to be the opposition of being to being?

THEAETETUS: Very true.

STRANGER: But upon this view, is the beautiful a more real and the not-beautiful a less real existence?

THEAETETUS: Not at all.

STRANGER: And the not-great may be said to exist, equally with the great?

THEAETETUS: Yes.

STRANGER: And, in the same way, the just must be placed in the same category with the not-just—the one cannot be said to have any more existence than the other.

THEAETETUS: True.

STRANGER: The same may be said of other things; seeing that the nature of the other has a real existence, the parts of this nature must equally be supposed to exist.

THEAETETUS: Of course.

STRANGER: Then, as would appear, the opposition of a part of the other, and of a part of being, to one another, is, if I may venture to say so, as truly essence as being itself, and implies not the opposite of being, but only what is other than being.

THEAETETUS: Beyond question.

STRANGER: What then shall we call it?

THEAETETUS: Clearly, not-being; and this is the very nature for which the Sophist compelled us to search.

STRANGER: And has not this, as you were saying, as real an existence as any other class? May I not say with confidence that not-being has an assured existence, and a nature of its own? Just as the great was found to be great and the beautiful beautiful, and the not-great not-great, and the not-beautiful not-beautiful, in the same manner not-being has been found to be and is not-being, and is to be reckoned one among the many classes of being. Do you, Theaetetus, still feel any doubt of this?

THEAETETUS: None whatever.

STRANGER: Do you observe that our scepticism has carried us beyond the range of Parmenides’ prohibition?

THEAETETUS: In what?

STRANGER: We have advanced to a further point, and shown him more than he forbad us to investigate.

THEAETETUS: How is that?

STRANGER: Why, because he says—

‘Not-being never is, and do thou keep thy thoughts from this way of enquiry.’

THEAETETUS: Yes, he says so.

STRANGER: Whereas, we have not only proved that things which are not are, but we have shown what form of being not-being is; for we have shown that the nature of the other is, and is distributed over all things in their relations to one another, and whatever part of the other is contrasted with being, this is precisely what we have ventured to call not-being.

THEAETETUS: And surely, Stranger, we were quite right.

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