Vol. 4 Num. 1 (1984) Peter Hilton Current trends in mathematics and future trends in mathematics education2 Stephen Brown The logic of problem generation: from morality and solving to de-posing and rebellion9 David Wheeler Editorial21 Mario Lavoie , Ernestine Lepage , Yvan Roux Un outil d'analyse cognitive de l'apprentissage de concepts complexes intégrés du calcul infinitésimal22 Zbigniew Semadeni Action proofs in primary mathematics teaching and in teacher training32 Bill Byers Dilemmas in teaching and learning mathematics35 David Wheeler Communication: Research problems in mathematics education - I a40 Geoffrey Howson Communication: Research problems in mathematics education - I b41 Thomas Kieren Communication: Research problems in mathematics education - I c42 Nicholas Balacheff Communication: Research problems in mathematics education - I d44 Jeremy Kilpatrick Communication: Research problems in mathematics education - I e45 Dick Tahta Communication: Research problems in mathematics education - I f46