Kiki Cuyler posted an update 9 years ago
Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)
Kiki Cuyler posted an update 9 years ago
Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)