16:30

Real Analysis | The density of Q and other consequences of the Axiom of Completeness.

13:51

Definition of Supremum and Infimum of a Set | Real Analysis

19:14

The strange cousin of the complex numbers -- the dual numbers.

17:51

inf(S) = -sup(-S)

21:15

Abstract Algebra is Nuts

9:10

Real Analysis 6 | Supremum and Infimum

18:39

Real Analysis | Equinumerosity

1:18:13

Lecture 5: The Archimedian Property, Density of the Rationals, and Absolute Value