- #1

- 37

- 0

for the event that "infinitely many A_i's occur" is:

U(n = 1 to inf, U(m = n to inf, A_m) )

but wouldn't

U(n = 1 to inf, A_n)

also satisfy this?

You are using an out of date browser. It may not display this or other websites correctly.

You should upgrade or use an alternative browser.

You should upgrade or use an alternative browser.

- Thread starter hholzer
- Start date

- #1

- 37

- 0

for the event that "infinitely many A_i's occur" is:

U(n = 1 to inf, U(m = n to inf, A_m) )

but wouldn't

U(n = 1 to inf, A_n)

also satisfy this?

- #2

mathman

Science Advisor

- 7,932

- 484

I believe the original expression, as stated, is incorrect. It should be the intersection of unions, not the union of unions.

for the event that "infinitely many A_i's occur" is:

U(n = 1 to inf, U(m = n to inf, A_m) )

but wouldn't

U(n = 1 to inf, A_n)

also satisfy this?

Share:

- Replies
- 7

- Views
- 459