- Calculus and Analysis
- Real Analysis
This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!
1- if A1,A2,A3,...,Am are each countable sets, then the union A1 U A2 U A3...U Am is countable
2- if An is a countable set for each n belong to N,then Un=1(to infinity) An is countable
© BrainMass Inc. brainmass.com May 24, 2023, 1:32 pm ad1c9bdddf
This is a proof regarding countability of sets.
Related BrainMass Content