Basic geometry

George D. Birkhoff, Ralph Beatley9780821821015, 0821821016

A highly recommended high-school text by two eminent scholars

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Table of contents :
Title page……Page 1
Acknowledgements and date-line……Page 2
Preface……Page 3
Contents……Page 7
1. Reasoning. The Nature of Proof……Page 9
2. The Five Fundamental Principles……Page 38
3. The Seven Basic Theorems……Page 71
4. Parallel Lines and Networks……Page 105
5. The Circle and Regular Polygons……Page 133
6. Constructions with Straightedge and Compasses……Page 165
7. Area and Length……Page 198
8. Continuous Variation……Page 228
9. Loci……Page 242
10. Reasoning. Abstract Logical Systems……Page 268
Laws of Number……Page 284
Index……Page 289
Cover……Page 295