Exercise 5.4. Find a separable space that contains a subspace that is not separable in the subspace topology. а

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
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Chapter6: Vector Spaces
Section6.2: Linear Independence, Basis, And Dimension
Problem 4AEXP
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Could you explain how to show 5.4 in easiest possible way(in very detail)?

Definition. A topological space X is separable if and only if X has a countable dense
subset.
Exercise 5.4. Find a separable space that contains a subspace that is not separable in
the subspace topology.
Transcribed Image Text:Definition. A topological space X is separable if and only if X has a countable dense subset. Exercise 5.4. Find a separable space that contains a subspace that is not separable in the subspace topology.
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