CSC240 Winter 2021 Midterm Assessment Question 6
YOUR NAME and STUDENT NUMBER
6. (5 marks) Suppose that, for all i ¡Ê N, Ai is a nonempty countable set. Prove that ¡È{Ai | i ¡Ê N} is countable.
Solution:
1
CSC240 Winter 2021 Midterm Assessment Question 6
YOUR NAME and STUDENT NUMBER
6. (5 marks) Suppose that, for all i ¡Ê N, Ai is a nonempty countable set. Prove that ¡È{Ai | i ¡Ê N} is countable.
Solution:
1