Essay on Exam study guide

1369 Words Oct 27th, 2013 6 Pages
Exam
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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Use DeMorganʹs laws or a truth table to determine whether the two statements are equivalent.
1) ~(p ∧ q), ~p ∧ ~q
A) Not equivalent
B) Equivalent
2) ~(p ∨ q) , ~p ∧ ~q
A) Equivalent

B) Not equivalent

3) (p ∨ q) ∨ r, p ∨ (q ∨ r)
A) Not equivalent

1)

B) Equivalent

2)

3)

Write an equivalent sentence for the statement.
4) It is not true that you are a day late and a dollar short. (Hint: Use De Morganʹs laws.)
A) You are not a day late and a dollar short.
B) You are a day late or not a dollar short.
C) You are not a day late or not a dollar short.
D) You are not
…show more content…
C) I will go to court.
D) I will not go to court.
21) All birds have wings.
None of my pets are birds.
All animals with wings can flap them.
Therefore, ...
A) All birds can flap their wings.
C) All my pets can flap their wings.

20)

21)

B) No birds can flap their wings.
D) None of my pets can flap their wings.

22) All fish can dream.
Any dead animal is unable to dream.
All live animals have a heartbeat.
Therefore, ...
A) Any dead animal has no

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