Learn · TED

Talk8 min

How big is infinity?

Dennis Wildfogel · TED

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About

Using the fundamentals of set theory, explore the mind-bending concept of the "infinity of infinities" -- and how it led mathematicians to conclude that math itself contains unanswerable questions. [Lesson by Dennis Wildfogel, directed by Aaron Augenblick, narrated by Dennis Wildfogel].

The talk

  1. How big is infinity? 8 min · TED's player

Credits and licence

Institution
TED
Department
TED-Ed
Speaker
Dennis Wildfogel
Year
2012
Level
For everyone
Language
English
Subjects
Mathematics, Astronomy and space
Source
TED
Licence
CC BY-NC-ND 4.0, as TED states it. Non-commercial use only, and no changed versions. TED's terms
Attribution
TED Talks are licensed by TED under Creative Commons BY-NC-ND 4.0 International and are shown here in TED's own player, as TED's usage policy asks.
Who can watch
TED gives no rating. Invisible Network shows it to Tweens profiles and older, judged from what the source says about it. How courses are placed