Question 1

Which of the following is true of deductive arguments?

Accepted Answer

A)   A deductive argument always establishes the truth of its conclusion.
B)   Deductive arguments typically contain words and phrases such as "probably" and "it is likely the case."
C)   The conclusion of a valid deductive argument necessarily follows from its premises.
D)   The premises of a deductive argument are always true.

Question 2

The following argument is valid: "All dogs are robust.All robust things smell.John is a dog.Therefore,John smells."

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is a universal proposition?

Accepted Answer

A)   "Some dogs are mean."
B)   "No dogs are purple."
C)   "There are three dogs chasing me."
D)   None of these answers is correct.

Question 4

Nothing true or false follows from a conditional claim alone.
B." Such claims alone are not arguments, since nothing follows from them alone.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is a disjunctive syllogism?

Accepted Answer

A)  "Either John,Bill,or Mary stole the diamond.John did not steal it.Mary did not steal it.Therefore,Bill stole it."
B)  "If John ate a cookie,then so did Mary.If Mary ate a cookie,then so did Bill.Therefore,if John ate a cookie,then so did Bill."
C)  "If you do not give me money,I will kill you."
D)  None of these answers is correct.

Question 6

Which of the following is NOT a type of deductive argument?

Accepted Answer

A)   an argument based on mathematics
B)   an argument from definition
C)   an argument by elimination
D)   These are all types of deductive arguments.

Question 7

Which of the following is a type of deductive argument?

Accepted Answer

A)   an argument by elimination
B)   generalization
C)   polls
D)   an argument by analogy

Question 8

Suppose the conclusion of a valid deductive argument was false.What can you conclude about the argument?

Accepted Answer

A)   The argument is not deductively valid at all!
B)   All of the premises are true.
C)   All of the premises are false.
D)   At least one of the premises is false.

Question 9

"If you went to the store last night,then we have milk.If we have milk,then we can have breakfast.If we have breakfast then we don't have to stop at Dunkin' Donuts.Therefore,if you went to the store last night,we don't have to stop at Dunkin Donuts." The preceding argument is which of the following types of argument?

Accepted Answer

A)   an inductive argument
B)   modus ponens
C)   chain argument
D)   generalization

Question 10

Which of the following is true of sound arguments?

Accepted Answer

A)   A sound argument may have a false premise.
B)   A sound argument is valid.
C)   A sound argument sounds good, but may be invalid.
D)   A sound argument always has a true conclusion even if one of the premises is false.

Question 11

The following argument is a sound disjunctive syllogism: "Either the Earth is perfectly flat or the Earth is perfectly round.The Earth is not perfectly flat.Therefore,the Earth is perfectly round."

Accepted Answer

A) True 
 B)False

Question 12

The premise "No tigers are vegetarians" is a negative proposition.

Accepted Answer

A) True 
 B)False

Question 13

The following argument is valid: "If it is raining outside,then the streets must be wet.The streets are wet.Therefore,it must be raining outside."

Accepted Answer

A) True 
 B)False

Question 14

The first premise of a categorical syllogism has only one term.

Accepted Answer

A) True 
 B)False

Question 15

Suppose a premise of a valid deductive argument were false.What can you conclude about the conclusion of this argument?

Accepted Answer

A)   The conclusion is true.
B)   The conclusion is false.
C)   The conclusion is valid.
D)   None of these answers is correct.

Question 16

Arguments by elimination are deductive.

Accepted Answer

A) True 
 B)False

Question 17

All invalid arguments are unsound.

Accepted Answer

A) True 
 B)False

Question 18

All valid arguments are sound.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following determines whether or not an argument is valid?

Accepted Answer

A)   whether or not all of its premises are true
B)   whether or not its conclusion is true
C)   the form of the argument
D)   All of these answers are things that determine whether an argument is valid.

Question 20

Which of the following best describes a syllogism?

Accepted Answer

A)   an argument with three premises
B)   an inductive argument that offers support for its conclusion
C)   an argument by analogy such that if its premises are all true, then its conclusion is necessarily true
D)   a deductive argument with two premises and a conclusion

Exam 8: Deductive Arguments

Which of the following is true of deductive arguments?

Correct Answer
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All valid arguments are sound.

Correct Answer
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Suppose a premise of a valid deductive argument were false.What can you conclude about the conclusion of this argument?

Correct Answer
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Which of the following best describes a syllogism?

Correct Answer
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Which of the following is a universal proposition?

Correct Answer
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The first premise of a categorical syllogism has only one term.

Correct Answer
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The following argument is a sound disjunctive syllogism: "Either the Earth is perfectly flat or the Earth is perfectly round.The Earth is not perfectly flat.Therefore,the Earth is perfectly round."

Correct Answer
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Which of the following is a type of deductive argument?

Correct Answer
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Which of the following is true of sound arguments?

Correct Answer
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The premise "No tigers are vegetarians" is a negative proposition.

Correct Answer
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Arguments by elimination are deductive.

Correct Answer
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The following argument is valid: "If it is raining outside,then the streets must be wet.The streets are wet.Therefore,it must be raining outside."

Correct Answer
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Which of the following is a disjunctive syllogism?

Correct Answer
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All invalid arguments are unsound.

Correct Answer
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Nothing true or false follows from a conditional claim alone. B." Such claims alone are not arguments, since nothing follows from them alone.

Correct Answer
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Suppose the conclusion of a valid deductive argument was false.What can you conclude about the argument?

Correct Answer
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Which of the following is NOT a type of deductive argument?

Correct Answer
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The following argument is valid: "All dogs are robust.All robust things smell.John is a dog.Therefore,John smells."

Correct Answer
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Which of the following determines whether or not an argument is valid?

Correct Answer
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Exam 8: Deductive Arguments

Which of the following is true of deductive arguments?

Correct AnswerverifiedShow Answer

All valid arguments are sound.

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Suppose a premise of a valid deductive argument were false.What can you conclude about the conclusion of this argument?

Correct AnswerverifiedShow Answer

Which of the following best describes a syllogism?

Correct AnswerverifiedShow Answer

Which of the following is a universal proposition?

Correct AnswerverifiedShow Answer

The first premise of a categorical syllogism has only one term.

Correct AnswerverifiedShow Answer

The following argument is a sound disjunctive syllogism: "Either the Earth is perfectly flat or the Earth is perfectly round.The Earth is not perfectly flat.Therefore,the Earth is perfectly round."

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following is a type of deductive argument?

Correct AnswerverifiedShow Answer

Which of the following is true of sound arguments?

Correct AnswerverifiedShow Answer

The premise "No tigers are vegetarians" is a negative proposition.

Correct AnswerverifiedShow Answer

Arguments by elimination are deductive.

Correct AnswerverifiedShow Answer

The following argument is valid: "If it is raining outside,then the streets must be wet.The streets are wet.Therefore,it must be raining outside."

Correct AnswerverifiedShow Answer

Which of the following is a disjunctive syllogism?

Correct AnswerverifiedShow Answer

All invalid arguments are unsound.

Correct AnswerverifiedShow Answer

Nothing true or false follows from a conditional claim alone. B." Such claims alone are not arguments, since nothing follows from them alone.

Correct AnswerverifiedShow Answer

Suppose the conclusion of a valid deductive argument was false.What can you conclude about the argument?

Correct AnswerverifiedShow Answer

Which of the following is NOT a type of deductive argument?

Correct AnswerverifiedShow Answer

The following argument is valid: "All dogs are robust.All robust things smell.John is a dog.Therefore,John smells."

Correct AnswerverifiedShow Answer

Which of the following determines whether or not an argument is valid?

Correct AnswerverifiedShow Answer

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