Dmitry Rybin on X: "There once lived a mathematician named Petrov. Petrov was working on a problem. The problem was very difficult, and so Petrov worked on it for twenty-three years. At first Petrov was young and worked on the problem quickly. Then he grew older and worked on it more slowly." / X
x.com · saved by 1 readers
There once lived a mathematician named Petrov. Petrov was working on a problem. The problem was very difficult, and so Petrov worked on it for twenty-three years. At first Petrov was young and worked on the problem quickly. Then he grew older and worked on it more slowly. Toward the end, he hard…