Preface | |
Introduction | p. 1 |
Areas and Angles | p. 6 |
Tessellations and Symmetry | p. 14 |
The Postulate of Closest Approach | p. 28 |
The Coexistence of Rotocenters | p. 36 |
A Diophantine Equation and its Solutions | p. 46 |
Enantiomorphy | p. 57 |
Symmetry Elements in the Plane | p. 77 |
Pentagonal Tessellations | p. 89 |
Hexagonal Tessellations | p. 101 |
Dirichlet Domain | p. 106 |
Points and Regions | p. 116 |
A Look at Infinity | p. 122 |
An Irrational Number | p. 128 |
The Notation of Calculus | p. 137 |
Integrals and Logarithms | p. 142 |
Growth Functions | p. 149 |
Sigmoids and the Seventh-year Trifurcation, a Metaphor | p. 159 |
Dynamic Symmetry and Fibonacci Numbers | p. 167 |
The Golden Triangle | p. 179 |
Quasi Symmetry | p. 193 |
Appendix I: Exercise in Glide Symmetry | p. 205 |
Appendix II: Construction of Logarithmic Spiral | p. 207 |
Bibliography | p. 210 |
Index | p. 225 |
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