Elements of Geometry: Being Chiefly a Selection From Playfair's Geometry, With Additions and Improvements (Classic Reprint) - Tapa blanda

Excerpt from Elements of Geometry: Being Chiefly a Selection From Playfair's Geometry, With Additions and Improvements

Playfair's Geometry, and have been taken chiefly from other books. They were collected at difl'erent times, but the editor does not recollect the names of the authors of many of them. In the latter part of the volume many references have been designedly omit ted; for it appeared useless to repeat the references to preceding articles, which must have become familiar to the reader by their frequent recurrence. But the teacher should require his pupils to supply such omis sions when they are reciting a demonstration.

Toward the ends of the first, third, and sixth Books there is a number of elementary propositions, which are not necessary in a course of mathematics, and may be either read or omitted. They will serve as exer cises for students.

On revising the printed sheets I have observed that some changes might be made with advantage to the work. In its present form however I am confi dent that it will be found plainer and more convenient to students than any book of geometry which is now used in the higher places of education.

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