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Theorem: Theorem of Bolzano-Weierstrass

Let $X$ be a metric space and let \(A\subset X\) be a compact subset. Let $(x_n)_{n\in\mathbb N}$ be a sequence of points \(x_n\in A\). Then $(x_n)_{n\in\mathbb N}$ contains a subsequence $(x_{n_k})_{k\in\mathbb N}$, which converges against some point \(a\in A\).

Notes

| | | | | created: 2017-03-12 14:54:41 | modified: 2017-03-12 14:55:15 | by: bookofproofs | references: [582]

1.Proof: (related to "Theorem of Bolzano-Weierstrass")

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Bibliography (further reading)

[582] Forster Otto: “Analysis 2, Differentialrechnung im \(\mathbb R^n\), Gew√∂hnliche Differentialgleichungen”, Vieweg Studium, 1984