Solve:

Be prepared to write a proof, which may be a direct proof or a proof by contrapositive. You may use your zyBooks text, but not notes. Instructions: Read the problems (will be shown to you online in time), solve on paper (print and use the proof blank two pages template), then take a picture of your work or scan it if you have a scanner, finally upload the file. 1. Prove or disprove the following statement: Proof: (Direct proof) Suppose that We will show that 2. Prove the following statement by CONTRAPOSITION: State the contrapositive: Proof: (Proof by Contraposition) Suppose that We will show that