Publisher's Synopsis
Excerpt from Solid Geometry, With Problems and Applications
IN te-writing the Solid Geometry the authors have consist ently carried out the distinctive features described in the preface of the Plane Geometry. Mention is here made only of certain matters which are particularly emphasized in the Solid Geometry.
Owing to the greater maturity of the pupils it has been pos sible to make the logical structure of the Solid Geometry more prominent than in the Plane Geometry. The axioms are stated and applied at the precise points where they are to be used. Theorems are no longer quoted in the proofs but are only referred to by paragraph numbers while with increasing frequency the student is left to his own devices in supplying the reasons and even in filling in the logical steps of the argu ment. For convenience of reference the axioms and theorems of plane geometry which are used in the Solid Geometry are collected in the Introduction.
In order to put the essential principles of solid geometry, together with a reasonable number of applications, within limited bounds (156 pages), certain topics have been placed in an Appendix. This was done in order to provide a. Minimum course in convenient form for class use and not because these topics, Similarity of Solids and Applications of Proj eetion, are regarded as of minor importance. In fact, some of the exam ples under these topics are among the most interesting and concrete in the text. For example, see pages 17 0 - 17 2, 177, 183 - 184.
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