Alcuin (q.v.) does nothing more in his Dialectic than abridge Boetius and the other commentators.
Later he was diverted to philosophy by the works of Democritus, and became acquainted with the Megarian dialectic through Bryson, pupil of Stilpo.
Eureni, firent), may be regarded as truly etymological, or rather as a result of the assimilation of these perfects to the perfects known as weak (amiron), for there are dialectic forms having the accent on the radical, such as dixon, hizon.
Abelard's application of dialectic to theology betrayed the Nominalistic basis of his doctrine.
He gradually became a logician out of his previous studies: out of metaphysics, for with him being is always the basis of thinking, and common principles, such as that of contradiction, are axioms of things before axioms of thought, while categories are primarily things signified by names; out of the mathematics of the Pythagoreans and the Platonists, which taught him the nature of demonstration; out of the physics, of which he imbibed the first draughts from his father, which taught him induction from sense and the modification of strict demonstration to suit facts; out of the dialectic between man and man which provided him with beautiful examples of inference in the Socratic dialogues of Xenophon and Plato; out of the rhetoric addressed to large audiences, which with dialectic called his attention to probable inferences; out of the grammar taught with rhetoric and poetics which led him to the logic of the proposition.
The perils of dialectic are distinguish the genuine Aristotle from the questionable accompaniments with which he had made his first appearance in Western Europe.
Appointed superintendent of the cathedral school of his native city, he taught with such success as to attract pupils from all parts of France, and powerfully contributed to diffuse an interest in the study of logic and metaphysics, and to introduce that dialectic development of theology which is designated the scholastic. The earliest of his writings of which we have any record is an Exhortatory Discourse to the hermits of his district, written at their own request and for their spiritual edification.
And it sets forth a dialectic with a twofold movement, towards differentiation and integration severally, which amounts to a formulation of inference.
To Bernard of Clairvaux and many other churchmen the application of dialectic to the things of faith appears as dangerous as it is impious.
At the first synod of Sirmium he won a dialectic victory over the homoiousian bishops, Basilius and Eustathius, who sought in consequence to stir up against him the enmity of Caesar Gallus.