Question 1

In the traditional square of opposition, if the O proposition is true, then which other proposition(s) must be true?

Accepted Answer

A) only A 
B) only E 
C) only I 
D) E and I 
E) none 
A) only A 
B) only E 
C) only I 
D) E and I 
E) none

Question 2

Could there be a categorical proposition that only involves one class?

Accepted Answer

A) Yes, but the class would have to have a large number of referents. 
B) Yes, but the proposition would have to be affirmative. 
C) Yes, but the proposition would have to be negative. 
D) No, because categorical propositions must involve at least three classes. 
E) No, because categorical propositions simply tell us how two classes differ from each other. 
A) Yes, but the class would have to have a large number of referents. 
B) Yes, but the proposition would have to be affirmative. 
C) Yes, but the proposition would have to be negative. 
D) No, because categorical propositions must involve at least three classes. 
E) No, because categorical propositions simply tell us how two classes differ from each other.

Question 3

Which of the following propositions is equivalent to "Some diseases are not deadly"?

Accepted Answer

A) Some nondeadly things are not nondiseases. 
B) Some nondeadly things are nondiseases. 
C) No deadly thing is a nondisease. 
D) All deadly things are diseases. 
E) All nondiseases are nondeadly. 
A) Some nondeadly things are not nondiseases. 
B) Some nondeadly things are nondiseases. 
C) No deadly thing is a nondisease. 
D) All deadly things are diseases. 
E) All nondiseases are nondeadly.

Question 4

Propositions with the nonstandard form "All S are not P" should be treated as having which form?

Accepted Answer

A) A 
B) E 
C) I 
D) O 
E) E or O, depending on context 
A) A 
B) E 
C) I 
D) O 
E) E or O, depending on context

Question 5

In the traditional square of opposition, if the E proposition is false, then which proposition(s) must be true?

Accepted Answer

A) only I 
B) only A 
C) only O 
D) A and I 
E) none 
A) only I 
B) only A 
C) only O 
D) A and I 
E) none

Question 6

Suppose we are trying to put declarative English sentences into standard form as categorical propositions.The predicate of each sentence:

Accepted Answer

A) will always be the first word or phrase in the sentence 
B) will always be the last word or phrase in the sentence 
C) will always appear before the verb 
D) will always appear after the verb 
E) will appear different in different places in different sentences 
A) will always be the first word or phrase in the sentence 
B) will always be the last word or phrase in the sentence 
C) will always appear before the verb 
D) will always appear after the verb 
E) will appear different in different places in different sentences

Question 7

What is the relationship between "No mountain is a valley" and "Some mountains are not valleys"?

Accepted Answer

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

Question 8

Contradictory propositions always have the forms:

Accepted Answer

A) E and O, or E and I 
B) I and O 
C) A and O, or E and I 
D) A and I, or E and O 
E) A and E 
A) E and O, or E and I 
B) I and O 
C) A and O, or E and I 
D) A and I, or E and O 
E) A and E

Question 9

Which of the following propositions is in standard form I?

Accepted Answer

A) No birthday is a day to be sad. 
B) Some weekends are durations of three days. 
C) All near-death experiences are scary events. 
D) Where there is a will, there is a way. 
E) Some ex-spouses are not friends. 
A) No birthday is a day to be sad. 
B) Some weekends are durations of three days. 
C) All near-death experiences are scary events. 
D) Where there is a will, there is a way. 
E) Some ex-spouses are not friends.

Question 10

The affirmative or negative character of a proposition is called its:

Accepted Answer

A) subject 
B) predicate 
C) quality 
D) quantity 
E) strength 
A) subject 
B) predicate 
C) quality 
D) quantity 
E) strength

Question 11

Which proposition is represented in the following Venn diagram?

Accepted Answer

A) Some non-P are S. 
B) Some S are P. 
C) Some P are not S. 
D) Some non-S are non-P. 
E) Some non-P are non-S. 
A) Some non-P are S. 
B) Some S are P. 
C) Some P are not S. 
D) Some non-S are non-P. 
E) Some non-P are non-S.

Question 12

In the modern square of opposition, how many types of relationships among propositions are considered?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
E) five 
A) one 
B) two 
C) three 
D) four 
E) five

Question 13

Which of the following propositions is in standard form O?

Accepted Answer

A) No birthday is a day to be sad. 
B) Some weekends are durations of three days. 
C) All near-death experiences are scary events. 
D) Where there is a will, there is a way. 
E) Some ex-spouses are not friends. 
A) No birthday is a day to be sad. 
B) Some weekends are durations of three days. 
C) All near-death experiences are scary events. 
D) Where there is a will, there is a way. 
E) Some ex-spouses are not friends.

Question 14

Which of the following propositions has form E, "legend" as the subject, and "completely false story" as the predicate?

Accepted Answer

A) No legend is a completely false story. 
B) No completely false story is a legend. 
C) Some legends are not completely false stories. 
D) Some completely false stories are not legends. 
E) Some legends are completely false stories. 
A) No legend is a completely false story. 
B) No completely false story is a legend. 
C) Some legends are not completely false stories. 
D) Some completely false stories are not legends. 
E) Some legends are completely false stories.

Question 15

If two contrary propositions are both false, then:

Accepted Answer

A) both of their subalternates are false 
B) both of their subalternates are true 
C) the affirmative subalternate is false, but the negative subalternate is true 
D) the negative subalternate is false, but the affirmative subalternate is true 
E) There is not enough information to determine the truth of either subalternate. 
A) both of their subalternates are false 
B) both of their subalternates are true 
C) the affirmative subalternate is false, but the negative subalternate is true 
D) the negative subalternate is false, but the affirmative subalternate is true 
E) There is not enough information to determine the truth of either subalternate.

Question 16

What are the quantity and quality of the following proposition? All S are P.

Accepted Answer

A) universal affirmative 
B) universal negative 
C) particular affirmative 
D) particular negative 
E) It depends on what classes are represented by S and P. 
A) universal affirmative 
B) universal negative 
C) particular affirmative 
D) particular negative 
E) It depends on what classes are represented by S and P.

Question 17

Which propositions are equivalent to their obverses?

Accepted Answer

A) A and O 
B) E and I 
C) A and I 
D) I and O 
E) all categorical propositions 
A) A and O 
B) E and I 
C) A and I 
D) I and O 
E) all categorical propositions

Question 18

The form of a proposition is determined by its:

Accepted Answer

A) quantity and quality 
B) quantity and subject 
C) quality and predicate 
D) subject and predicate 
E) subject and quality 
A) quantity and quality 
B) quantity and subject 
C) quality and predicate 
D) subject and predicate 
E) subject and quality

Question 19

If the following sentence were put into standard form as a categorical proposition, what would the quantifier be? A lot of what Oprah Winfrey says really resonates with me.

Accepted Answer

A) many 
B) all 
C) no 
D) few 
E) some 
A) many 
B) all 
C) no 
D) few 
E) some

Question 20

What are the quantity and quality of the following proposition? No S is P.

Accepted Answer

A) universal affirmative 
B) universal negative 
C) particular affirmative 
D) particular negative 
E) It depends on what classes are represented by S and P. 
A) universal affirmative 
B) universal negative 
C) particular affirmative 
D) particular negative 
E) It depends on what classes are represented by S and P.

In the traditional square of opposition, if the O proposition is true, then which other proposition(s) must be true?

Could there be a categorical proposition that only involves one class?

Which of the following propositions is equivalent to "Some diseases are not deadly"?

Propositions with the nonstandard form "All S are not P" should be treated as having which form?

In the traditional square of opposition, if the E proposition is false, then which proposition(s) must be true?

Suppose we are trying to put declarative English sentences into standard form as categorical propositions.The predicate of each sentence:

What is the relationship between "No mountain is a valley" and "Some mountains are not valleys"?

Contradictory propositions always have the forms:

Which of the following propositions is in standard form I?

The affirmative or negative character of a proposition is called its:

Which proposition is represented in the following Venn diagram?

In the modern square of opposition, how many types of relationships among propositions are considered?

Which of the following propositions is in standard form O?

Which of the following propositions has form E, "legend" as the subject, and "completely false story" as the predicate?

If two contrary propositions are both false, then:

What are the quantity and quality of the following proposition? All S are P.

Which propositions are equivalent to their obverses?

The form of a proposition is determined by its:

If the following sentence were put into standard form as a categorical proposition, what would the quantifier be? A lot of what Oprah Winfrey says really resonates with me.

What are the quantity and quality of the following proposition? No S is P.

Classification

Definitions

Propositions

Argument Analysis

Fallacies

Categorical Syllogisms

Reasoning With Syllogisms

Propositional Logic-Propositions

Propositional Logic-Arguments

Predicate Logic

Inductive Generalizations

Argument by Analogy

Statistical Reasoning

Explanation

Probability

Filters

Exam 6: Categorical Propositions

In the traditional square of opposition, if the O proposition is true, then which other proposition(s) must be true?

Could there be a categorical proposition that only involves one class?

Which of the following propositions is equivalent to "Some diseases are not deadly"?

Propositions with the nonstandard form "All S are not P" should be treated as having which form?

In the traditional square of opposition, if the E proposition is false, then which proposition(s) must be true?

Suppose we are trying to put declarative English sentences into standard form as categorical propositions.The predicate of each sentence:

What is the relationship between "No mountain is a valley" and "Some mountains are not valleys"?

Contradictory propositions always have the forms:

Which of the following propositions is in standard form I?

The affirmative or negative character of a proposition is called its:

Which proposition is represented in the following Venn diagram?

In the modern square of opposition, how many types of relationships among propositions are considered?

Which of the following propositions is in standard form O?

Which of the following propositions has form E, "legend" as the subject, and "completely false story" as the predicate?

If two contrary propositions are both false, then:

What are the quantity and quality of the following proposition? All S are P.

Which propositions are equivalent to their obverses?

The form of a proposition is determined by its:

If the following sentence were put into standard form as a categorical proposition, what would the quantifier be? A lot of what Oprah Winfrey says really resonates with me.

What are the quantity and quality of the following proposition? No S is P.

Classification

Definitions

Propositions

Argument Analysis

Fallacies

Categorical Syllogisms

Reasoning With Syllogisms

Propositional Logic-Propositions

Propositional Logic-Arguments

Predicate Logic

Inductive Generalizations

Argument by Analogy

Statistical Reasoning

Explanation

Probability

Filters