- #1
Willy_Will
- 15
- 0
Hi all,
Im having trouble with this problem, I don't know where to begin.
Suppose that Ä is a nested family of sets.
1. Prove that U (from k=1 to infite) A(sub k) = A(sub l)
2. Prove that ∩ (from k=1 to n) A(sub k) = A(sub n)
Thanks in advace mathematicians!
-William
Im having trouble with this problem, I don't know where to begin.
Suppose that Ä is a nested family of sets.
1. Prove that U (from k=1 to infite) A(sub k) = A(sub l)
2. Prove that ∩ (from k=1 to n) A(sub k) = A(sub n)
Thanks in advace mathematicians!
-William