Text Under Preparation

Preface / The Fountainhead / Part I: The Fundamentals of Modern Elementary Geometry: Modern Elementary Geometry/ Elementary Transformations / Euclidean Constructions / Appendix A: Perspectivity Transformation (optional) Part II: The Non-Euclidean Revolution: Non-Euclidean Geometry / The Foundations of Geometry / Appendix B: Euclid’s First Principles and the Statements of the Propositions of Book I / Appendix C: Hilbert’s Postulates for Plane Euclidean Geometry / Appendix D: The Birkhoff - Beatley Postulates for Plane Euclidean Geometry / Suggestions for Solutions of Selected Problems / Index

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