Didactical phenomenology of mathematical structures
Hans Freudenthal
Contents
The method
28-33
Sets
34-72
Natural numbers
73-132
Fractions
133-177
Ratio and proportionality
178-209
The topographical context
281-295
Figures and configurations
296-329
Geometrical mappings
330-350
Topography with geometry
407-431
The algebraic language
461-490
Functions
491-578