College students today face an ideological onslaught from educators who are more concerned with creating “good citizens” than teaching them real knowledge. And it’s time for a new approach. I’m running a program for high school and college students this summer because of a first grade perplexity — and Ayn Rand. When I was kid … Continue reading "Students Need Mental Ammunition"| Marsha Familaro Enright
For all $a, m, n \in \mathbb{Z}^+$, $$\gcd(a^n - 1, a^m - 1) = a^{\gcd(n, m)} - 1$$| Mathematics Stack Exchange