Ononot — A sequence (an) in \mathbb{R} is Cauchy if: for every \varep

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Limits & Continuityhard

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A sequence $(a_n)$ in $\mathbb{R}$ is Cauchy if: for every $\varepsilon > 0$ , $\exists\, N$ such that $|a_m - a_n| < \varepsilon$ for all $m, n > N$ . Which of the following statements are TRUE?