To the public Boole was known only as the author of numerous abstruse papers on mathematical topics, and of three or four distinct publications which have become standard works.
Tetzel's efforts irretrievably damaged the complicated and abstruse Catholic doctrine on the subject of indulgences; as soon as the coin clinks in the chest, he cried, the soul is freed from purgatory.
The abstruse nature of his studies, the mystical character of his writings, and the general indifference of the Romans to such subjects, caused his works to be soon forgotten.
Mercury calx was LJ .3 Bergman's symbolism was obviously cumbrous, and the system used in 1782 by Lavoisier was equally abstruse, since the forms gave no clue as to composition; for instance water, oxygen, and nitric acid werev 4), and e-f.
Its harmonic style is, except in the Grail music, even more abstruse than in Tristan; and the intense quiet of the action is far removed from the forces which in that tumultuous tragedy carry the listener through every difficulty.