What's purple and commutes ? R - An abelian grape What did Euler discover in the toilet ? R - Natural log G. Moisil (on induction): Every man has the right to exactly one glass of wine; but after one glass of wine he becomes another man ... P. Erdos: A mathematician is a device for turning coffee into theorems P. Turan: Weak coffee is suitable only for lemmas
I didn't know this. Such a wealth of international info to be gained at TSD! I do know some Spanish......in fact, "Cuatro Cinco" is a not only the numbers "4 and 5" but also a punch line to a joke about 'what happened when four latinos wandered into quicksand?'
S. Weinberg - Manifolds are a bit like pornography: hard to define, but you know one when you see one.
two friends and myself went on a metal detecting trip. it was an overnight trip. we rented a room for $25. each of us put up a ten spot. the clerk said he did not have change, that he would send the bellman with the change. an hour later, he arrived with five ones for three guys. we each took a buck and tipped the bellman two. now from the ten, we were refunded a buck. 3x9=27 +2tip =29 what happened to the other dollar?