What are these symbols? – Numberphile

From Numberphile.

Asaf Karagila discusses some of the symbols used in Logic and Set Theory. More links & stuff in full description below ↓↓↓

Asaf is a UKRI Future Leaders Fellow. Asaf’s blog – https://karagila.org

More videos and Numberphile podcast featuring Asaf – https://www.youtube.com/playlist?list=PLt5AfwLFPxWJyt0zdvzvDoeL_8pqO0S7p

The video about Aleph and "Absolute Infinity"is here: https://youtu.be/sq-ntG5Mcus

* A set theorist’s clarification from Asaf commenting on Brady’s simplified animations… "By {Primes} we mean the set {2,3,5,7,11,13,…} of prime numbers, rather than the set whose element is the set of prime numbers"

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