Apart from the Churches, men like Carlyle and Matthew Arnold - with whom he had much in common - influenced him; while Herbert Spencer in England and Comte in France afforded the antithesis needful to the dialectical development of his own views.
During a prolonged audience he had received from the pope assurances of private esteem and personal protection; and he trusted to his dialectical ingenuity to find the means of presenting his scientific convictions under the transparent veil of an hypothesis.
One, however, the Categories, may be regarded with an ancient commentator, 10 as preliminary to the dialectical inquiry in the Topics.
The dialectical doctrine of judgment as the declaration of one member of a disjunction by contradiction, which is later so important, is struggling with one of its initial difficulties, 2 viz.
In its metaphysic it showed no failure in dialectical constructiveness.
All were noted for the doctrinal coherence of their principles and the dialectical rigidity of their arguments.
The freedom of his speculation, and the boldness with which he works out his logical or dialectical system of the universe, altogether prevent us from classing him along with the scholastics properly so called.
The emperor, to whom Gerbert was well known, appointed a time for the two philosophers to argue before him; and Richer has left a long account of this dialectical tournament at Ravenna, which lasted out a whole day and was only terminated at the imperial bidding.
Hegel's logic as a whole, however, stands and falls not with his thoughts on syllogism, but with the claim made for the dialectical method that it exhibits logic in its integral unity with metaphysic, the thought-process as the self-revelation of the Idea.
His chief work, Al-Teysir (facilitatio), is thought to show more practical experience than the writings of Avicenna, and to be less based upon dialectical subtleties.