F-sigma delta set

1. steven2006

4
Let $$\{f_n\}$$ be a sequence of continuous functions defined on $$\mathbb{R}$$. Show that the set of points where this sequence converges is an $$\mathcal{F_{\sigma\delta}}$$.

Any help is appreciated.

Staff: Mentor

What are your initial thoughts on how to solve this? You need to show some work in order for us to help you.