Max Tegmark argues that it is, delighting neo-Pythagoreans everywhere. Continue reading Is Everything Mathematical?
I’ve returned from my conference equipped with a few new ideas, and three interesting mathematical puzzles: Show that, in any community of finitely many people, at least two people have the same number of friends. (Assume that no one is friend of himself.) In a certain park, there are some trees, and in those trees are some birds. Each tree has the same number of … Continue reading Math Puzzles