?

Topology

Free Version

Upgrade subject to access all content

Moderate

Dense Subsets In The Discrete Topology

TOPO-P9JXEY

Consider the real numbers $\mathbb{R}$ equipped with the discrete topology. Which of the following subsets are dense?

A

$\mathbb{Z}$

B

$\mathbb{Q}$

C

$\mathbb{R}$

D

$\mathbb{R}-\{0\}$

E

$\mathbb{Q}-\{0\}$