RT @wtgowers: Here's an attempt at an answer to the question "How would anyone think of algebra?" (a genre of question that I very much like).
Suppose I'm a certain number of miles away, and I come back at a certain number of miles per hour. 1/
RT @wtgowers: Here's an attempt at an answer to the question "How would anyone think of algebra?" (a genre of question that I very much like).
Suppose I'm a certain number of miles away, and I come back at a certain number of miles per hour. 1/