A set that is finite or can be placed in a one-to-one
Chapter 2, Problem 2.1.389(choose chapter or problem)
A set that is finite or can be placed in a one-to-one correspondence with the set of counting numbers is called a(n) set.
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