Class 23: ω, Z, ZF, ZFC, and Zero

7 March 2025

Schedule

  • Enjoy Spring Break! There are not required assignments due until PS6, which will be due on Thursday, 27 March.

  • Problem Set ω is an optional problem set that is not like the others. It is posted here and due on Thursday, 20 March, 8:29pm.

  • Here’s the info on the ACM Dinner (with Dave) that Shreyas talked about: 19 March, 6-8 PM, Rice 103 with food from “Lucky Blue’s”. To signup: https://forms.gle/hJTGiWYivWvapRnv5

Class

  • ω (omega)
  • Z, ZF, ZFC and the General Well Ordering Theorem
  • Is Zero a Natural Number?

10am Section: [Slides (PDF)] [Video]
2pm Section: [Slides (PDF)] (I wasn’t able to get the video recorder to work for this class, but content was the same as for the 10am section: [Video]