Arithmetic and Geometry:
Uncomfortable Allies?
Descartes
Descartes
Descartes
A Powerful Method
A Powerful Method
A Powerful Method
Modern Geometries
Modern Geometries
Modern Geometries
Modern Geometries
Pappus' Theorem
Pappus' Theorem
Angle Trisection
Desargues
Desargues' Theorem
Desargues' Theorem
Desargues' Theorem
Desargues' Theorem
Pappus implies Desargues
Pappus implies Desargues
Pappus implies Desargues
Finite Geometries
Finite Geometries
Finite Geometries
Conclusion