Activity
-
Allie Hunt posted an update 6 years, 5 months ago
Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)
Allie Hunt posted an update 6 years, 5 months ago
Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)