Class Info

  • Date: Tuesday, 11/2/21, 4:05 – 5:45pm
  • Meeting Info: The class will meet live on zoom today.

To-Do Before Class

  • N/A

Topics

  • Chapter 6: Proof by contradiction
  • Topics in Number Theory #3: Applying Euclid’s Lemma

Objectives

  • Understand and apply the structure of proof by contradiction to prove theorems.

Activities

Proof Journal assignment & discussion.

Zoom recording

Class notes:

Lesson-18-proof-by-contradictionDownload

To-Do After Class

Your written assignment “Proof Journal” is due next week on Tuesday 11/9.

Homework due Tuesday 11/9: Chapter 6: 3,4,5,8,9
(Upload link)

Submitting written work (instructions)

  • Take a picture of each written page of your assignment, and combine the pictures into a single pdf document. How to create a pdf (includes instructions for iOS (iPhone), Android, Mac and Windows)
  • Give the document a name that will help me identify it, for example: “JRodriguez-Class1Homework.pdf”
  • Use this upload link to upload your pdf (this link connects to a Dropbox folder, but you do NOT need to have a Dropbox account to use it).