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# A Hierarchy of Infinities
- URL: https://www.cascadepbs.org/show/infinite-series/episode/a-hierarchy-of-infinities-infinite-series-pbs-digital-st-vfpche/
- Published: 2024-04-02T22:52:11.000Z
- Updated: 2025-08-21T06:37:23.000Z
- Description: There are different sizes of infinity. It turns out that some are larger than others.
- Author: Cascade PBS Staff
- Tags: Infinite Series, Season 1, Episode 4, #ZZZ_Episode_d7c84b36-b268-4642-b7c3-73defc057123, #episode, #ZZZ_Show_0efdefa6-fb6f-44e5-96f1-baf9a8c090e2, #geo-us, #v1.16

There are different sizes of infinity. It turns out that some are larger than others. Mathematician Kelsey Houston-Edwards breaks down what these different sizes are and where they belong in The Hierarchy of Infinities.