Learners should be allowed to find their own levels and explore the paths leading there with as much and as little guidance as each particular case requires.
p. 47 - Didactical Phenomenology of Mathematical Structures (1983)
Learners should be allowed to find their own levels and explore the paths leading there with as much and as little guidance as each particular case requires.
p. 47 - Didactical Phenomenology of Mathematical Structures (1983)