Let A be an infinite subset of R that is bounded above and let u := sup A. Show there
Chapter 3, Problem 9(choose chapter or problem)
Let A be an infinite subset of R that is bounded above and let u := sup A. Show there exists an increasing sequence (xn ) with Xn E A for all n EN such that u = lim(xn ).
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer