Page:The Mathematical Principles of Natural Philosophy - 1729 - Volume 1.djvu/20

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THE

PREFACE

OF

Mr. Roger Cotes,

To the Second Edition of this Work, ſo far as it relates to the Inventions and Diſcoveries herein contained.

THOSE who have treated of natural piloſophy, may be nearly reduced to three claſſes. Of theſe ſome have been attributed to the ſeveral ſpecies of things, ſpecific and occult qualities; on which, in a manner unknown, they make the operations of the ſeveral bodies to depend. The ſum of the doctrine of the Schools derived from Ariſtotle and the Peripatetics is herein contained. They affirm that the ſeveral effects of the bodies ariſe from the particular natures of thoſe bodies