Question 1
What must be shown to prove that a sequence $a_n$ converges to $L$?
Question 2
In a proof by contradiction, what is assumed at the start?
Question 3
What condition must be proved to show that $f$ is continuous at $c$?
Question 4
Which theorem says that every bounded monotone sequence in $\mathbb R$ converges?
Question 5
What does it mean for a set $E\subset\mathbb R$ to be sequentially closed?
