They spent their energy in attacking Plato and Aristotle, and hence earned the opprobrious epithet of Eristic. They used their dialectic subtlety to disprove the possibility of motion and decay; unity is the negation of change, increase and decrease, birth and death.
ZocearLKoL g XEyXoL: Sophistici Elenchi: On sophistic (roccaTLKOS) or eristic syllogism (EpLaTLKOS avXAoytapos), so called from the fallacies used by sophists in refutation (€AEy X os) of their opponents.
Each of these predominated in its turn, though not to the exclusion of others, the sophistry of culture beginning about 447, and leading to the sophistry of eristic, and the sophistry of rhetoric taking root in central Greece about 427, and merging in the sophistry of politics.
Finally, the practice of rhetoric and eristic, which presently became prominent in sophistical teaching, had, or at any rate seemed to have, a mischievous effect upon conduct; and the charge of seeking, whether in exposition or in debate, not truth but victory - which charge was impressively urged against the sophists by Plato - grew into an accusation of holding and teaching immoral and unsocial doctrines, and in our own day has been the subject of eager controversy.
Finding in the cultivation of " virtue " or " excellence " a substitute for the pursuit of scientific truth, and in disputation the sole means by which " virtue " or " excellence " could be attained, he resembled at once the sophists of culture and the sophists of eristic. But, inasmuch as the " virtue " or " excellence " which he sought was that of the man rather than that of the official, while the disputation which he practised had for its aim, not victory, but the elimination of error, the differences which separated him from the sophists of culture and the sophists of eristic were only less considerable than the resemblances which he bore to both; and further, though his whole time and attention were bestowed upon the education of young Athenians, his theory of the relations of teacher and pupil differed from that of the recognized professors of education, inasmuch as the taking of fees seemed to him to entail a base surrender of the teacher's independence.
Again, as the Socratics - Plato himself, when he established himself at the Academy, being no exception - were, like their master, educators rather than philosophers, and in their teaching laid especial stress upon discussion, they, too, were doubtless regarded as sophists, not by Isocrates only, but by their contemporaries in general; and it may be conjectured that the disputatious tendencies of the Megarian school made it all the more difficult for Plato and others to secure a proper appreciation of the difference between dialectic, or discussion with a view to the discovery of truth, and eristic, or discussion with a view to victory.
It would seem then, (1) that popular nomenclature included under the term " sophist " all teachers - whether professors, or like Socrates, amateurs - who communicated, not artistic skill, nor philosophical theory, but a general or liberal education; (2) that, of those who were commonly accounted sophists, some professed culture, some forensic rhetoric, some political rhetoric, some eristic, some (i.e.
There is less to be said for the teachers of rhetoric, politics and eristic, who, in limiting themselves each to a single subject - the rhetoricians proper or forensic rhetoricians to one branch of oratory, the politicians or political rhetoricians to another, and the eristics to disputation - ceased to be educators and became instructors.
Nevertheless, rhetoric and disputation, though at the present day strangely neglected in English schools and universities, are, within their limits, valuable instruments; and, as specialization in teaching does not necessarily imply specialization in learning, many of those who attended the lectures and the classes of a rhetorician or an eristic sought and found other instruction elsewhere.
1, 1), swordsmanship, and forensic argumentation, implies that they came to eristic not from the sophistry of Socrates, but from that of the later humanists, polymaths of the type of Hippias; (2) that the fifth and sixth definitions of the Sophist, in which " that branch of eristic which brings pecuniary gain to the practitioner " is opposed to the " patience-trying, purgative elenchus " of Socrates, indicate that contemporary with Socrates there were eristics whose aims were not his; (3) that, whereas the sophist of the final definition " disputes, and teaches others to dispute, about things divine, cosmical, metaphysical, legal, political, technical, in fact, about all things," we have no ground for supposing that the Megarians and the Cynics used their eristic for any purpose except the defence of their logical heresies.
In this way he is led to regard the sophist successively - (t) as a practitioner of that branch of mercenary persuasion in private which professes to impart " virtue " and exacts payment in the shape of a fee, in opposition to the flatterer who offers pleasure, asking for sustenance in return; (2) as a practitioner of that branch of mental trading which purveys from city to city discourses and lessons about " virtue," in opposition to the artist who similarly purveys discourses and lessons about the arts; (3) and (4) as a practitioner of those branches of mental trading, retail and wholesale, which purvey discourses and lessons about " virtue " within a city, in opposition to the artists who similarly purvey discourses and lessons about the arts; (5) as a practitioner of that branch of eristic which brings to the professor pecuniary emolument, eristic being the systematic form of antilogic, and dealing with justice, injustice and other abstractions, and antilogic being that form of disputation which uses question and answer in private, in opposition to forensic, which uses continuous discourse in the law-courts; (6) as a practitioner of that branch of education which purges away the vain conceit of wisdom by means of crossexamination, in opposition to the traditional method of reproof or admonition.
Regarding Protagoras, Gorgias and Isocrates as types of one and the same sophistry (pp. 4 8 7, 493, 495, 499, 544, 2nd ed.), and neglecting as slander or exaggeration all the evidence in regard to the sophistry of eristic (p. 540), he conceives that the sophists undertook " to educate young men so as to make them better qualified for statesmen or ministers," and that " that which stood most prominent in the teaching of Gorgias and the other sophists was, that they cultivated and improved the powers of public speaking in their pupils."
EUCLID [EUCLEIDES], of Megara, founder of the Megarian (also called the eristic or dialectic) school of philosophy, was born c. 450 B.C., probably at Megara, though Gela in Sicily has also been named as his birthplace (Diogenes Lacrtius ii.
of politics, and of " eristic," i.e.
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