1. Math
  2. Advanced Math
  3. a countable union of countable sets is also countable let...

Question: a countable union of countable sets is also countable let...

Question details

(A countable union of countable sets is also countable). Let C1,C2,- be countable sets. Show that is also countable. [Hint: Write CiUcj.l

Solution by an expert tutor
Blurred Solution
This question has been solved
Subscribe to see this solution