다음 글의 내용과 일치하지 않는 것은? The first decades of the 17th century witnessed an exponential growth in the understanding of the Earth and heavens, a process usually referred to as the Scientific Revolution. The older reliance on the philosophy of Aristotle was fast waning in universities. In the Aristotelian system of natural philosophy, the movements of bodies were explained 'causally' in terms of the amount of the four elements (earth, water, air, fire) that they possessed, and objects moved up or down to their 'natural' place depending on the preponderance of given elements of which they were composed. Natural philosophy was routinely contrasted with 'mixed mathematical' subjects such as optics, hydrostatics, and harmonics, where numbers could be applied to measurable external quantities such as length or duration.