Author: Anonymous

​ ​ INSTRUCTIONS: The following selections relate to distinguishing arguments from nonarguments and identifying conclusions. Select the best answer for each.Developing an AIDS vaccine is not impossible, as some skeptics claim. Research suggests that the human immune system is better at fighting HIV than was originally thought. Most of those infected suppress the virus for years without developing AIDS. A small number never contract the virus despite repeated exposures. If we can figure out the mechanism that accounts for this, we’ll have clues about how to engineer a vaccine. Seth Berkley, “Don’t Quit on an AIDS Vaccine”

INSTRUCTIONS: Select the correct answer for each multiple choice question.Which of the following are all nonarguments?

Proposition 2BGiven the following proposition: [(A  ⊃  Y)  ≡  (B  ⊃  ∼X)]  ∨  ∼[(B  •  ∼ X)  ≡  (Y  •  A)]In Proposition 2B, the main operator is a:

Proposition 1EGiven the following proposition: ∼{[(Y  ≡  ∼ A)  ⊃  (∼ X  ∨  Y)]  •  (∼ B  ∨  ∼ X)}In Proposition 1E, the main operator is a:

INSTRUCTIONS: Select the correct translation for each problem.Progressive expands coverage if and only if both Liberty and Conseco do not cut costs.

Instructions: Translate the following statement using the first letter of the word in ALL CAPS. You may copy the symbols for the operators from here:  ~ · ∨ ⊃ ≡   Bill is WISE only if he is HONEST. (W, H)

Instructions: Translate the following statement using the first letter of the word in ALL CAPS. You may copy the symbols for the operators from here:  ~ · ∨ ⊃ ≡   We will CELEBRATE only if we WIN. (C, W)

INSTRUCTIONS: Select the correct translation for each problem.If either Farmers runs an ad or Nationwide cuts costs, then if Safeco expands coverage then Geico pays a dividend.

INSTRUCTIONS: Select the correct answer for each multiple choice question.Which of the following are all conclusion indicators?

Proposition 1DGiven the following proposition: ∼ (A  •  ∼ X)  ≡  [A  ⊃  (Y  ∨  ∼ B)]In Proposition 1D, the main operator is a: