Category Theory 3.1: Examples of categories, orders, monoids
41:58
Category Theory 3.2: Kleisli category
24:34
Category Theory 2.2: Monomorphisms, simple types
48:18
Category Theory 1.2: What is a category?
47:47
Category Theory 4.1: Terminal and initial objects
26:20
A Sensible Introduction to Category Theory
46:14
Category Theory 2.1: Functions, epimorphisms
32:47
The Axiom of Choice
2:25:18