# The Dialogues of Plato (Jowett)/Euthydemus Introduction

EUTHYDEMUS.
INTRODUCTION.
Euthydemus. Introduction The Euthydemus, though apt to be regarded by us only as an elaborate jest, has also a very serious purpose. It may fairly claim to be the oldest treatise on logic ; for that science originates in the misunderstandings which necessarily accompany the first efforts of speculation. Several of the fallacies which are satirized in it reappear in the Sophistic! Elenchi of Aristotle and are re- tained at the end of our manuals of logic. But if the order of history were followed, they should be placed not at the end but at the beginning of them ; for they belong to the age in which the human mind was first making the attempt to distinguish thought from sense, and to separate the universal from the particular or individual. How to put together words or ideas, how to escape ambiguities in the meaning of terms or in the structure of proposi- tions, how to resist the fixed impression of an 'eternal being' or 'perpetual flux,' how to distinguish between words and things— these were problems not easy of solution in the infancy of philosophy. They presented the same kind of difficulty to the half-educated man which spelling or arithmetic do to the mind of a child. It was long before the new world of ideas which had been sought after with such passionate yearning was set in order and made ready for use. To us the fallacies which arise in the pre-Socratic philosophy are trivial and obsolete because we are no longer liable to fall into the errors which are expressed by them. The intellectual world has become better assured to us, and we are less likely to be imposed upon by illusions of words.
The logic of Aristotle is for the most part latent in the dialogues of Plato. The nature of definition is explained not by rules but by examples in the Charmides, Lysis, Laches, Protagoras, Meno, Euthyphro, Theaetetus, Gorgias, Republic ; the nature of division is likewise illustrated by examples in the Sophist (p. 219 ff.) and ​
Euthydemus. Introduction. Statesman (283 ff.) ; a scheme of categories is found in tlie Pliilebus (p. 66) ; the true doctrine of contradiction (436 fT.) is taught, and the fallacy of arguing in a circle (p. 505) is exposed in the Republic ; the nature of synthesis and analysis is graphically described in the Phaedrus (p. 265) ; the nature of words is analysed in the Cratylus ; the form of the syllogism is indicated in the genea- logical trees of the Sophist and Statesman ; a true doctrine of predication and an analysis of the sentence are given in the Sophist (p. 262) ; the diiferent meanings of one and being are worked out in the Parmenides. Here we have most of the important elements of logic, not yet systematized or reduced to an art or science, but scattered up and down as they would naturally occur in ordinary discourse. They are of little or no use or significance to us ; but because we have grown out of the need of them we should not therefore despise them. They are still interesting and instructive for the light which they shed on the history of the human mind.
There are indeed many old fallacies which linger among us, and new ones are constantly springing up. But they are not of the kind to which ancient logic can be usefully applied. The weapons of common sense, not the analytics of Aristotle, are needed for their overthrow. Nor is the use of the Aristotelian logic any longer natural to us. We no longer put arguments into the form of syllogisms like the schoolmen ; the simple use of language has been, happily, restored to us. Neither do we discuss the nature of the proposition, nor extract hidden truths from the copula, nor dispute any longer about nominalism and realism. We do not confuse the form with the matter of knowledge, or invent laws of thought, or imagine that any single science furnishes a principle of reasoning to all the rest. Neither do we require categories or heads of argument to be invented for our use. Those who have no knowledge of logic, like some of our great physical philosophers, seem to be quite as good reasoners as those who have. Most of the ancient puzzles have been settled on the basis of usage and common sense ; there is no need to reopen them. No science should raise problems or invent forms of thought which add nothing to knowledge and are of no use in assisting the acquisition of it. This seems to be the natural limit of logic and metaphysics ; if they give us a more comprehensive or a more definite view of ​
Euthydemus. Introduction the different spheres of knowledge they are to be studied ; if not, not. The better part of ancient logic appears hardly in our own day to have a separate existence ; it is absorbed in two other sciences : (i) rhetoric, if indeed this ancient art be not also fading away into literary criticism ; (2) the science of language, under which all questions relating to words and propositions and the combinations of them may properly be included.
To continue dead or imaginary sciences, which make no signs of progress and have no definite sphere, tends to interfere with the prosecution of living ones. The study of them is apt to blind the judgment and to render men incapable of seeing the value of evidence, and even of appreciating the nature of truth. Nor should we allow the living science to become confused with the dead by an ambiguity of language. The term logic has two different meanings, an ancient and a modern one, and we vainly try to bridge the gulf between them. Many perplexities are avoided by keeping them apart. There might certainly be a new science of logic ; it would not however be built up out of the fragments of the old, but would be distinct from them — relative to the state of knowledge which exists at the present time, and based chiefly on the methods of Modern Inductive philosophy. Such a science might have two legitimate fields : first, the refutation and explanation of false philosophies still hovering in the air as they appear from the point of view of later experience or are comprehended in the history of the human mind, as in a larger horizon : secondly, it might furnish new forms of thought more adequate to the expression of all the diversities and oppositions of knowledge which have grown up in these latter days ; it might also suggest new methods of enquiry derived from the comparison of the sciences. Few will deny that the introduction of the words 'subject' and 'object' and the Hegelian reconciliation of opposites have been ' most gracious aids ' to psychology, or that the methods of Bacon and Mill have shed a light far and wide on the realms of knowledge. These two great studies, the one destructive and corrective of error, the other conservative and constructive of trutli, might be a first and second part of logic. Ancient logic would be the propaedeutic or gate of approach to logical science, — nothing more. But to pursue such speculations further, though not irrelevant, might lead us too far away from the argument of the dialogue.
EUTHYDEMUS.
PERSONS OF THE DIALOGUE.
| Socrates, who is the narrator of the Dialogue. Crito. Cleinias. | Euthydemus Dionysodorus Cresippus. |
Scene:—The Lyceum.
Euthydemus. Crito, Socrates. CRITO. Who was the person, Socrates, with whom you were talkuig yesterday at the Lyceum? There was such a crowd around you that I could not get within hearing, but I caught a sight of him over their heads, and I made out, as I thought, that he was a stranger with whom you were talking: who was he?
Socrates. There were two, Crito; which of them do you mean?
Cri. The one whom I mean was seated second from you on the right-hand side. In the middle was Cleinias the young son of Axiochus, who has wonderfully grown ; he is only about the age of my own Critobulus, but he is much forwarder and very good-looking : the other is thin and looks younger than he is.
Soc. He whom you mean, Crito, is Euthydemus; and on my left hand there was his brother Dionysodorus, who also took part in the conversation.
Cri. Neither of them are known to me, Socrates; they are a new importation of Sophists, as I should imagine. Of what country are they, and what is their line of wisdom? ​
Soc. As to their origin, I believe that they are natives of this part of the world, and have migrated from Chios to Thurii ; they were driven out of Thurii, and have been living for many years past in these regions. As to their wisdom, about which you ask, Crito, they are wonderful — consummate ! I never knew what the true pancratiast was before ; they are simply made up of fighting, not like the two Acarnanian brothers who fight with their bodies only, but this pair of heroes, besides being perfect in the use of their bodies, are invincible in every sort of warfare; for they $^{272}$ are capital at fighting in armour, and will teach the art to any one who pays them; and also they are most skilful in legal warfare ; they will plead themselves and teach others to speak and to compose speeches which will have an effect upon the courts. And this was only the beginning of their wisdom, but they have at last carried out the pancratiastic art to the very end, and have mastered the only mode of fighting which had been hitherto neglected by them ; and now no one dares even to stand up against them : such is their skill in the war of words, that they can refute any proposition whether true or false. Now I am thinking, Crito, of placing myself in their hands ; for they say that in a short time they can impart their skill to any one.
Cri. But, Socrates, are you not too old ? there may be reason to fear that.
Socrates thinks that he is not too old to become their pupil. Soc. Certainly not, Crito ; as I will prove to you, for I have the consolation of knowing that they began this art of disputation which I covet, quite, as I may say, in old age ; last year, or the year before, they had none of their new wisdom. I am only apprehensive that I may bring the two strangers into disrepute, as I have done Connus the son of Metrobius, the harp-player, who is still my music-master ; for when the boys who go to him see me going with them, they laugh at me and call him grandpapa's master. Now I should not like the strangers to experience similar treatment ; the fear of ridicule may make them unwilling to receive me; and therefore, Crito, I shall try and persuade some old men to accompany me to them, as I persuaded them to go with me to Connus, and 1 hope that you will make one : and perhaps we had better take your sons as a bait; they will want to ​Page:The Dialogues of Plato v. 1.djvu/246 ​Page:The Dialogues of Plato v. 1.djvu/247 ​Page:The Dialogues of Plato v. 1.djvu/248 ​Page:The Dialogues of Plato v. 1.djvu/249 ​Page:The Dialogues of Plato v. 1.djvu/250 ​Page:The Dialogues of Plato v. 1.djvu/251 ​Page:The Dialogues of Plato v. 1.djvu/252 ​Page:The Dialogues of Plato v. 1.djvu/253 ​Page:The Dialogues of Plato v. 1.djvu/254 ​Page:The Dialogues of Plato v. 1.djvu/255 ​Page:The Dialogues of Plato v. 1.djvu/256 ​Page:The Dialogues of Plato v. 1.djvu/257 ​Page:The Dialogues of Plato v. 1.djvu/258 ​Page:The Dialogues of Plato v. 1.djvu/259 ​Page:The Dialogues of Plato v. 1.djvu/260 ​Page:The Dialogues of Plato v. 1.djvu/261 ​Page:The Dialogues of Plato v. 1.djvu/262 ​Page:The Dialogues of Plato v. 1.djvu/263 ​Page:The Dialogues of Plato v. 1.djvu/264 ​Page:The Dialogues of Plato v. 1.djvu/265 ​Page:The Dialogues of Plato v. 1.djvu/266 ​Page:The Dialogues of Plato v. 1.djvu/267 ​Page:The Dialogues of Plato v. 1.djvu/268 ​Page:The Dialogues of Plato v. 1.djvu/269 ​Page:The Dialogues of Plato v. 1.djvu/270 ​Page:The Dialogues of Plato v. 1.djvu/271 ​Page:The Dialogues of Plato v. 1.djvu/272 ​Page:The Dialogues of Plato v. 1.djvu/273 ​Page:The Dialogues of Plato v. 1.djvu/274 ​Page:The Dialogues of Plato v. 1.djvu/275 ​Page:The Dialogues of Plato v. 1.djvu/276 ​Page:The Dialogues of Plato v. 1.djvu/277 ​Page:The Dialogues of Plato v. 1.djvu/278 ​Page:The Dialogues of Plato v. 1.djvu/279 ​Page:The Dialogues of Plato v. 1.djvu/280 ​Page:The Dialogues of Plato v. 1.djvu/281 ​Page:The Dialogues of Plato v. 1.djvu/282 ​Page:The Dialogues of Plato v. 1.djvu/283 ​Page:The Dialogues of Plato v. 1.djvu/284 ​Page:The Dialogues of Plato v. 1.djvu/285