An "obvious" theorem about infinite sets (The Cantor-Bernstein-Schröder Theorem)
14:05
The Cantor-Schroeder-Bernstein Theorem
16:25
What happens at infinity? - The Cantor set
32:47
The Axiom of Choice
20:47
The Concept So Much of Modern Math is Built On | Compactness
32:34
Prelude to Galois Theory: Exploring Symmetric Polynomials
22:48
Cardinality of the Continuum
20:14
How to unify logic & arithmetic
10:53