Question 1

"I am not a coward" is what type of proposition?

Accepted Answer

A)  A
B)  E
C)  I
D)  O
E)  non-categorical

Question 2

What is the subalternate of the proposition "No person is worthy to enter"?

Accepted Answer

A)  All people are worthy to enter.
B)  Some people are worthy to enter.
C)  Some people are not worthy to enter.
D)  All people are not worthy to enter.
E)  No person is worthy to enter.

Question 3

Which of the following propositions has existential import according to the traditional view, but lacks it according to the modern view?

Accepted Answer

A)  Some yard sales have great deals.
B)  Some trees are not very shady.
C)  Mike Lewis is an aspiring boxer.
D)  Some travel agents are very good at their jobs.
E)  All residents of the village are subject to the new tax.

Question 4

Which of the following is the complete list of standard quantifiers?

Accepted Answer

A)  some / none
B)  more / less / all / none
C)  every / each / some / fewer
D)  all / no / some
E)  all / many / few

Question 5

Which of the following categorical propositions is in standard form?

Accepted Answer

A)  No vending machine sells healthy food.
B)  Some credit cards are not cards with good interest rates.
C)  All of my relatives are people with the same last name.
D)  Some Westerns are very entertaining.
E)  Every lime is a citrus fruit.

Question 6

A universal negative proposition has which form?

Accepted Answer

A)  A
B)  E
C)  I
D)  O
E)  U

Question 7

What is the complement of smart?

Accepted Answer

A)  stupid
B)  non-smart
C)  smartest
D)  of average intelligence
E)  ignorant

Question 8

A particular negative proposition has which form?

Accepted Answer

A)  A
B)  E
C)  I
D)  O
E)  U

Question 9

What is the contradictory of the proposition "Some real estate deals are great moneymakers"?

Accepted Answer

A)  Some real estate deals are not great moneymakers.
B)  No real estate deal is a great moneymaker.
C)  All real estate deals are great moneymakers.
D)  Some great moneymakers are real estate deals.
E)  Some great moneymakers are not real estate deals.

Question 10

When a proposition's quantifier is simply the article "a" (e.g., "a cat") , then the proposition's form is:

Accepted Answer

A)  A
B)  E
C)  I
D)  O
E)  There is not enough information to answer.

Question 11

What is the relationship between "Some P are not S" and "Some P are S"?

Accepted Answer

A)  subcontraries
B)  contradictories
C)  converses
D)  obverses
E)  subalternates

Question 12

Suppose that we find the converse, obverse, or contrapositive of a categorical proposition.Then we find the obverse, converse or contrapositive of the result.If we continue this process forever, how many propositions could be produced that are different from but equivalent to the original?

Accepted Answer

A)  1
B)  2
C)  3
D)  6
E)  There is no limit.

Question 13

The reason why both contraries could be false is that:

Accepted Answer

A)  they both make particular claims, whereas the truth might not be particular
B)  they both make universal claims, whereas the truth might not be universal
C)  they both make affirmative claims, whereas the truth might not be affirmative
D)  they both make negative claims, whereas the truth might not be negative
E)  they both have existential import, whereas the subject might not exist

Question 14

Which of the following claims is true?

Accepted Answer

A)  No one ever uses the traditional square of opposition anymore, since everyone agrees that it is based on a flawed view of existential import.
B)  Some logicians still use the traditional square of opposition, but there is controversy over whether or not it is based on a flawed view of existential import.
C)  Logicians now agree that the traditional square of opposition is based on the correct view of existential import, and they all now prefer it to the modern square.
D)  Most logicians no longer use any square of opposition, but instead use the pentagon of opposition.
E)  Most logicians no longer use any square of opposition, but instead use the hexagon of opposition.

Question 15

Which of the following propositions has form A, "champagne" as the subject, and "carbonated beverage" as the predicate?

Accepted Answer

A)  Some champagnes are carbonated beverages.
B)  Some carbonated beverages are champagnes.
C)  Some champagnes are not carbonated beverages.
D)  All carbonated beverages are champagnes.
E)  All champagnes are carbonated beverages.

Question 16

Which Venn diagram represents the proposition "Some S are not P"?

Accepted Answer

A)   
B)   
C)   
D)   
E)

Question 17

A universal affirmative proposition has which form?

Accepted Answer

A)  A
B)  E
C)  I
D)  O
E)  U

Question 18

In subalternates, the propositions are such that:

Accepted Answer

A)  they could not both be false, but could both be true
B)  they could not both be true, but could both be false
C)  if the universal is true, then the particular must be true
D)  if the universal is false, then the particular must be false
E)  they cannot both be true, and they cannot both be false

Question 19

Which of the following propositions has an affirmative quality?

Accepted Answer

A)  No time is a good time for a house fire.
B)  Many of Beth's closest friends are not coming to her birthday party.
C)  Some orphanages used to be much larger operations.
D)  There's no place like home.
E)  A few of our nicest dishes did not survive the move.

Question 20

Does any proposition have both a contrary and a subcontrary?

Accepted Answer

A)  No, because only affirmatives have contraries and only negatives have subcontraries.
B)  No, because only universals have contraries and only particulars have subcontraries.
C)  Yes, but only if it also has a subalternate.
D)  Yes, but only if it has no subalternate.
E)  Yes, because any proposition with one must have the other also.

Exam 6: Categorical Propositions

Which of the following propositions has an affirmative quality?

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Which of the following claims is true?

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A universal affirmative proposition has which form?

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When a proposition's quantifier is simply the article "a" (e.g., "a cat") , then the proposition's form is:

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What is the contradictory of the proposition "Some real estate deals are great moneymakers"?

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Which of the following is the complete list of standard quantifiers?

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What is the complement of smart?

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"I am not a coward" is what type of proposition?

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The reason why both contraries could be false is that:

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What is the subalternate of the proposition "No person is worthy to enter"?

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Does any proposition have both a contrary and a subcontrary?

Correct AnswerverifiedShow Answer

Suppose that we find the converse, obverse, or contrapositive of a categorical proposition.Then we find the obverse, converse or contrapositive of the result.If we continue this process forever, how many propositions could be produced that are different from but equivalent to the original?

Correct AnswerverifiedShow Answer

Which of the following propositions has existential import according to the traditional view, but lacks it according to the modern view?

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In subalternates, the propositions are such that:

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What is the relationship between "Some P are not S" and "Some P are S"?

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A particular negative proposition has which form?

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Which of the following categorical propositions is in standard form?

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Which of the following propositions has form A, "champagne" as the subject, and "carbonated beverage" as the predicate?

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Which Venn diagram represents the proposition "Some S are not P"?

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A universal negative proposition has which form?

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