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Theorem: Nested Closed Subset Theorem

Let \(X\) be a complete metric space, and let $$A_0\supset A_1\supset A_2\supset A_3\supset \ldots$$ be a sequence of non-empty subsets of \(X\) with diameters converging against \(0\), formally
Then the intersection of all of these subsets a single point.

| | | | | created: 2014-02-20 22:23:51 | modified: 2017-02-26 00:24:52 | by: bookofproofs | references: [582]

1.Proof: (related to "Nested Closed Subset Theorem")

Edit or AddNotationAxiomatic Method

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Bibliography (further reading)

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