Given the statement: ( A v ~ S ) • ( S • ~ A ) The statement is:

Sheri argues in favor of reducing the Defense Department budget. It appears what Sheri wants is no Defense Department at all. But without a Defense Department, we would have no army, navy, or air force, and any foreign nation could invade our country at will. Clearly we can’t allow this. Thus, Sheri’s argument is crazy.

For questions #74-#75, use your knowledge of logical operators and truth tables to answer the following questions:  (The triple bar will be symbolized as ‘=’.) Given that A, B, and C are true… and X, Y, and Z are false, what is the truth value of the following proposition? ~ { [ (B ≡ ~ X) ⊃ Y] v [~ X ⊃ (A ⊃ Y) ] } 

The Constitution guarantees freedom of speech for everyone. Therefore, children have a right to sass their parents.

If interest rates rise, then home sales will decline. Thus, if interest rates rise, then real estate prices will drop, because if home sales decline, the real estate prices will drop.

In his testimony to the grand jury, Steve Porter said that the CEO of the Syntex Corporation conspired with the CFO to defraud investors. Therefore, since Porter is in a position to know and has no reason to lie, we can conclude that these officers did indeed engage in such a conspiracy.

Either Leonardo da Vinci or Andrew Wyeth painted the Mona Lisa. But clearly it wasn’t da Vinci. Therefore, Andrew Wyeth painted the Mona Lisa.

Either Azmara or Seabourn do not open new boutiques provided that Princess improves its cuisine.

Whoever is vain is hard of heart because if they weren’t hard of heart they wouldn’t be vain.

I certify that I am the enrolled student in this class taking this midterm exam by myself.