Oils are powerful fuels, but the high price of refined petroleum, the oil generally preferred, precludes its widespread use for many purposes for which it is suitable.
It precludes the explanation of any common features in the dissevered porciuns of the tropical area of vegetation by lateral communirations, and throws back their origin to the remotest geological antiquity.
This is illustrated by the difficulties inherent in the conception of Cause, Space, Time, Matter, Motion, the Infinite, and the Absolute, and by the" relativity of knowledge,"which precludes knowledge of the Unknowable, since" all thinking is relationing."Yet the Unknowable may exist, and we may even have an" indefinite knowledge "of it, positive, though vague and extralogical.
The narrowness of the country precludes the existence of any very important rivers on either coast.
It has been suggested that the form which the essays assumed was in a way accidental, and this of itself precludes the idea of a definite model, even if such a model could be found.