For Monday, February 17th, 2020

For Monday:

  • There will be a Proofs Quiz, using the method of contrapositive proof.
  • Complete the contrapositive setup worksheet and compare to solutions.  Here: Proof by Contrapositive Setup Sheet and solutions.
  • Read Hammack’s Chapter 5.
  • Do the two contrapositive proofs I assigned in class:
    • If xy is greater than 100, then at least one of x or y is greater than 10.
    • If 3 divides n^2 then 3 divides n.
  • Do Exercises from Chapter 5.