Mathematics 30000: Set Theory, Winter 2026

TTh 2:00-3:20 in Eckhart 207A

Instructor:

Denis Hirschfeldt
drh@math.uchicago.edu
Ryerson 359B
He/Him/His

---

Assignment 1, due on Thursday, January 22nd: From Kunen (1st edition). Chapter I (pp. 42 - 46) Problems 6 and 18; Chapter III (pp. 107 - 109) Problems 15, 17, and 20.

Assignment 2, due on Thursday, January 29th: From Kunen (1st edition), Chapter IV (pp. 146 - 151) Problems 5, 11, 22, and 24 (you may assume Problem 23)

Assignment 3, due on Thursday, February 5th: From Kunen (1st edition). Chapter IV (pp. 146 - 151) Problem 17 (see problem 15 for the definition of being provably Δ₁) ; Chapter V (pp. 163 - 164) Problems 6, 7, and 9

Assignment 4, due on Thursday, February 12th: From Kunen (1st edition), Chapter VI (pp. 180 - 183) Problems 2, 3, 6, 7, and 12

Assignment 5, due on Thursday, February 19th: From Kunen (1st edition), Chapter II (pp. 86 - 93), Problems 8, 9, 10, 22, and 24

Assignment 6, due on Friday, March 6th: From Kunen (1st edition), Chapter VII (p. 243), Problems (D1) and (D2); From Jech (pp. 224 and 261), Problems 14.14 and 15.3; From Kunen (1st edition), Chapter VII (p. 246), Problem (G4) and (G7).

---

Set Theory: An Introduction to Independence Proofs by Kenneth Kunen