Theorem: Heine-Borel Theorem

Let \(A\subset\mathbb R^n\) be a subset \(A\) of the $n$-dimensional metric space of real numbers $\mathbb R^n$. $A$ is compact if and only if $A$ is closed and bounded.

This theorem was first proven by Eduard Heine (1821 - 1881) and Émile Borel (1871 - 1956)

Proofs: 1

Persons: 1 2
Proofs: 3


Thank you to the contributors under CC BY-SA 4.0!

Github:
bookofproofs


References

Bibliography

  1. Forster Otto: "Analysis 2, Differentialrechnung im \(\mathbb R^n\), Gewöhnliche Differentialgleichungen", Vieweg Studium, 1984