Let tauE denote the euclidean topology on R. Which of the following statements are necessarily true?

Q90Section C (Part C)90 of 120

Topology — comparing topologies on the real line

Let $\tau_{\mathrm{E}}$ denote the euclidean topology on $\mathbb{R}$ . Which of the following statements are necessarily true?

Multiple select: one or more options are correct. Select all of them, then submit — marks need the exact set.

Select every correct option, then submit.

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