Problem 2.34. Let EC N be the set of even natural numbers. Give N the topology Tad (see Example 2.17). Describe the subspace topology on E.

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Please solve 2.34

2.4. Subspace Topology. Sometimes we use a given topology on a set X to induce con-
veniently a topology on a subset of X.
Definition 2.33. Let X be a space with topology T and YC X. T induces a topology TY
on Y, called the subspace topology on Y, given by
Ty := {V C Y | BU E T,V = U nY}.
Problem 2.34. Let E C N be the set of even natural numbers. Give N the topology Taa
(see Example 2.17). Describe the subspace topology on E.
Transcribed Image Text:2.4. Subspace Topology. Sometimes we use a given topology on a set X to induce con- veniently a topology on a subset of X. Definition 2.33. Let X be a space with topology T and YC X. T induces a topology TY on Y, called the subspace topology on Y, given by Ty := {V C Y | BU E T,V = U nY}. Problem 2.34. Let E C N be the set of even natural numbers. Give N the topology Taa (see Example 2.17). Describe the subspace topology on E.
Example 2.17. On N, let {{0, 1}, {2,3}, {4,5}, ...} be a subset of a topology Tad. What
other sets must be in Tad at a minimum for it to be a topology on N?
Transcribed Image Text:Example 2.17. On N, let {{0, 1}, {2,3}, {4,5}, ...} be a subset of a topology Tad. What other sets must be in Tad at a minimum for it to be a topology on N?
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