- #1
BifSlamkovich
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Homework Statement
Every bounded sequence has a convergent subsequence.
Homework Equations
Suppose that closed intervals I_0 [itex]\supset[/itex] I_1[itex]\supset[/itex] ... [itex]\supset[/itex] I_m and natural numbers n[itex]_{1}[/itex] < n[itex]_{2}[/itex] <
... < n[itex]_{m}[/itex] have been chosen such that for each 0 [itex]\leq[/itex] k [itex]\leq[/itex] m,
(2)
|I[itex]_{k}[/itex]| = [itex]b-a/2^{k}[/itex], x[itex]_{n}_{k}[/itex][itex]\in[/itex]I[itex]_{k}[/itex]n and x[itex]_{n}[/itex] [itex]\in[/itex] I[itex]_{k}[/itex] for infinitely many n.
The Attempt at a Solution
My question is what is the guarantee that x_n will be in I_k?