Question: 1. Suppose two field biologists come in, each with infinitely many samples. Devise a simple way to store them all. (Be sure to use a clearly defined map.)
2. Is the map described in Problem a bijection?
Problem: Lab Assistant and LA2 each want to have two cups of coffee. LA2 turns to the left and asks, "Could you please give me your coffee? And the coffee given to the person on your left?" Lab Assistant explains that ". . . the people to our left will get coffee from the people on their left."
(a) The stools in the caf´e stretch all the way across the room, left and right. What set would be convenient to use in numbering the stools?
(b) What map on coffee cups is described (that will give Lab Assistant and LA2 two cups of coffee each)?