Excerpt from Plane and Solid Geometry
Greek Geometry, the finest product of deductive thinking which high school pupils encounter, has come down to us through twenty-two centuries practically unchanged in essential content or form. It has been presented in texts, each built upon a preceding one and each good in its day, which have sought to present the great science in accord with the ideals of their time.
This text is a thorough revision of Wells's Essentials of Geometry in accord with current scientific and pedagogical thought. The scientific ideal is represented the world over by Hilbert's Foundations of Geometry. (Translated by Townsend, Open Court Pub. Co., Chicago.) The pedagogical ideals are represented in this country by the Report of the National Committee of Fifteen. (See Mathematics Teacher, Dec., 1912; School Science and Mathematics, 1911; Proceedings of N. E. A., 1911.) These ideals and the personal experience of one of the authors in teaching high school geometry in recent years have been the determining factors in the making of this text. Permit us to direct attention to some of its features.
In each Book, the fundamentally important theorems are given first. These theorems present a safe and sane minimum course. These are followed in each Book by one or more groups of theorems or applications which are strictly supplementary, - material which either has long appeared in geometries in some form or has been introduced in recent years to add to the pupils' interest.
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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. Это и многое другое вы найдете в книге Plane and Solid Geometry (Classic Reprint) (Webster Wells)