# \#bernhard-riemann

**URL:** https://scanalyst.fourmilab.ch/tag/bernhard-riemann/4769.md

[Latest](https://scanalyst.fourmilab.ch/latest.md) · [Categories](https://scanalyst.fourmilab.ch/categories.md) · [Tags](https://scanalyst.fourmilab.ch/tags.md)

---

## [The Riemann Rearrangement Theorem](https://scanalyst.fourmilab.ch/t/the-riemann-rearrangement-theorem/3730)

<div class="topic-metadata">

**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 0\
**Last updated:** [11 September 2023 13:59 UTC](https://scanalyst.fourmilab.ch/t/the-riemann-rearrangement-theorem/3730 "2023-09-11T13:59:36Z")

</div>

When you add up a series of numbers, it doesn’t matter in which order you add them—addition is commutative. But that only holds as long as the you’re adding a finite list of numbers. As is often the case,…