Class 33: Countably Infinite Sets

7 April 2025

Schedule

  • Problem Set 7 is due before 8:29pm on Thursday, 10 April: [PDF] [Template]

Class

  • Defining Infinite and Countable Sets
  • Review of Binary Relations
  • All Finite Sets are Countable
  • The Integers are Countably Infinite

10am Section: [Slides (PDF)] [Video]
2pm Section: [Slides (PDF)] [Video]