Math 223B
Winter 2013
Set Theory

Room and Time



Homework problems will be assigned and posted on this webpage.


The only text is a set of notes that will be passed out as the quarter progresses. Notes passed out so far.


The course will be an introduction to forcing.


The official prerequisite is Mathematics 220ABC. What is actually needed is familiarity with elementary set theory based on the first-order ZFC axioms. This includes familiarity with such concepts as transitive sets, cardinal and ordinal numbers, the rank hierarchy, and transfinite recursion.


  1. Exercises 1.1, 1.2, 1.3, 1.4. Due Wednesday, January 23.
  2. Exercises 1.5, 2.1, 2.2. Due Wednesday, February 6.
  3. Exercises 2.3, 2.4. Due Wednesday, February 20.
  4. Exercises 3.1, 4.1, 4.2. Due Wednesday, March 6.
  5. Exercise 4.3. Due Friday, March 22.