11:41

Pigeonhole Principle

11:12

Combinatorial Proofs

25:39

Cardinality -- Proof Writing 22

9:49

Bijective Functions and the Continuum Hypothesis

8:51

Integers & Rationals are both infinite but is it the SAME infinity?

10:10

Bijective Functions and Why They're Important | Bijections, Bijective Proof, Functions and Relations

12:32

Cardinality of Infinite Sets

7:40

Example: Making a Bijection