Kiki Cuyler posted an update 8 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)
Kiki Cuyler posted an update 8 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)