Question 1

What is the quantifier in the following proposition? Some astronauts are not Russians.

Accepted Answer

A) some 
B) astronauts 
C) are 
D) are not 
E) Russians 
A) some 
B) astronauts 
C) are 
D) are not 
E) Russians A

Question 2

Which of the following is a categorical proposition?

Accepted Answer

A) prayer beads 
B) Pray with these beads. 
C) Do many world religions use prayer beads? 
D) using the prayer beads 
E) Many world religions use prayer beads. 
A) prayer beads 
B) Pray with these beads. 
C) Do many world religions use prayer beads? 
D) using the prayer beads 
E) Many world religions use prayer beads. E

Question 3

"Every president faces unexpected challenges" is what type of proposition?

Accepted Answer

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

Question 4

Which Venn diagram represents the proposition "All S are P"?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 5

Propositions without explicit quantifiers:

Accepted Answer

A) are always singular 
B) are always universal 
C) are always particular 
D) can be universal or particular, depending on context 
E) cannot be categorical 
A) are always singular 
B) are always universal 
C) are always particular 
D) can be universal or particular, depending on context 
E) cannot be categorical

Question 6

Contraries are propositions 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 
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 7

What is the relationship between "Some apartments are heated residences" and "No apartment is a heated residence"?

Accepted Answer

A) contrapositives 
B) obverses 
C) contradictories 
D) contraries 
E) subcontraries 
A) contrapositives 
B) obverses 
C) contradictories 
D) contraries 
E) subcontraries

Question 8

If a proposition is true and the predicate class is only one of several species of the subject class, then:

Accepted Answer

A) there is not enough information to determine the quantity or quality of the proposition 
B) the proposition must be negative 
C) the proposition must be affirmative 
D) the proposition must be particular 
E) the proposition must be universal 
A) there is not enough information to determine the quantity or quality of the proposition 
B) the proposition must be negative 
C) the proposition must be affirmative 
D) the proposition must be particular 
E) the proposition must be universal

Question 9

Which proposition is represented in the following Venn diagram?

Accepted Answer

A) No non-S is P. 
B) All non-S are non-P. 
C) All S are non-P. 
D) All P are non-S. 
E) No non-S is non-P. 
A) No non-S is P. 
B) All non-S are non-P. 
C) All S are non-P. 
D) All P are non-S. 
E) No non-S is non-P.

Question 10

The obverse of a proposition is formed by:

Accepted Answer

A) swapping the subject and predicate 
B) replacing the subject and predicate with their complements 
C) swapping the subject and predicate and replacing them with their complements 
D) replacing the predicate with its complement and changing the quality of the proposition 
E) replacing the subject with its complement and changing the quality of the proposition 
A) swapping the subject and predicate 
B) replacing the subject and predicate with their complements 
C) swapping the subject and predicate and replacing them with their complements 
D) replacing the predicate with its complement and changing the quality of the proposition 
E) replacing the subject with its complement and changing the quality of the proposition

Question 11

Which propositions are equivalent to their contrapositives?

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 12

What is the subcontrary of the proposition "Some movie stars are not good actors"?

Accepted Answer

A) Some movie stars are good actors. 
B) No movie star is a good actor. 
C) No good actor is a movie star. 
D) All movie stars are good actors. 
E) Each movie star is a good actor. 
A) Some movie stars are good actors. 
B) No movie star is a good actor. 
C) No good actor is a movie star. 
D) All movie stars are good actors. 
E) Each movie star is a good actor.

Question 13

According to the modern view of existential import, which of the following propositions has existential import?

Accepted Answer

A) Some lakes are not very large. 
B) No modern democracy is a direct democracy. 
C) All of the police officers in our department are trained in CPR. 
D) All software updates will be dispatched by the local network. 
E) No vacation goes completely as planned. 
A) Some lakes are not very large. 
B) No modern democracy is a direct democracy. 
C) All of the police officers in our department are trained in CPR. 
D) All software updates will be dispatched by the local network. 
E) No vacation goes completely as planned.

Question 14

Can a collection of things (e.g.a crowd or a pile) be the subject of a singular proposition?

Accepted Answer

A) Yes, because any concept can be the subject of a singular proposition. 
B) Yes, because any word can be the subject of a singular proposition. 
C) Yes, because a collection can be considered as a single whole. 
D) No, because singular propositions cannot have plural subjects. 
E) No, because singular propositions cannot have concepts as subjects. 
A) Yes, because any concept can be the subject of a singular proposition. 
B) Yes, because any word can be the subject of a singular proposition. 
C) Yes, because a collection can be considered as a single whole. 
D) No, because singular propositions cannot have plural subjects. 
E) No, because singular propositions cannot have concepts as subjects.

Question 15

What is the contrapositive of the proposition "All S are P"?

Accepted Answer

A) No S is non-P. 
B) All P are S. 
C) All non-P are non-S. 
D) Some non-P are S. 
E) Some non-P are not S. 
A) No S is non-P. 
B) All P are S. 
C) All non-P are non-S. 
D) Some non-P are S. 
E) Some non-P are not S.

Question 16

What is the converse of the proposition "Some human beings are not Americans"?

Accepted Answer

A) No human being is an American. 
B) No American is a human being. 
C) Some Americans are not human beings. 
D) Some human beings are Americans. 
E) All Americans are human beings. 
A) No human being is an American. 
B) No American is a human being. 
C) Some Americans are not human beings. 
D) Some human beings are Americans. 
E) All Americans are human beings.

Question 17

"There are problems you did not mention" is what type of proposition?

Accepted Answer

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

Question 18

What is the maximum number of nonequivalent, noncontradictory propositions that could be represented at the same time on a two-circle Venn diagram?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 19

In a categorical proposition, does the quantifier modify the subject term or the predicate term?

Accepted Answer

A) both 
B) only the predicate 
C) only the subject 
D) either one, but never both 
E) neither 
A) both 
B) only the predicate 
C) only the subject 
D) either one, but never both 
E) neither

Question 20

Suppose we are trying to put declarative English sentences into standard form as categorical propositions.Will all of the English sentences have explicit subjects?

Accepted Answer

A) No, since many sentences have no subject at all. 
B) No, since for some of these sentences, the subject could be an understood "you." 
C) Yes, since English grammar requires an explicit subject in declarative sentences. 
D) Yes, since English grammar requires an explicit subject in all sentences. 
E) Yes, since without explicit subjects, the sentences would necessarily be interrogative rather than declarative. 
A) No, since many sentences have no subject at all. 
B) No, since for some of these sentences, the subject could be an understood "you." 
C) Yes, since English grammar requires an explicit subject in declarative sentences. 
D) Yes, since English grammar requires an explicit subject in all sentences. 
E) Yes, since without explicit subjects, the sentences would necessarily be interrogative rather than declarative.

What is the quantifier in the following proposition? Some astronauts are not Russians.

Which of the following is a categorical proposition?

"Every president faces unexpected challenges" is what type of proposition?

Which Venn diagram represents the proposition "All S are P"?

Propositions without explicit quantifiers:

Contraries are propositions such that:

What is the relationship between "Some apartments are heated residences" and "No apartment is a heated residence"?

If a proposition is true and the predicate class is only one of several species of the subject class, then:

Which proposition is represented in the following Venn diagram?

The obverse of a proposition is formed by:

Which propositions are equivalent to their contrapositives?

What is the subcontrary of the proposition "Some movie stars are not good actors"?

According to the modern view of existential import, which of the following propositions has existential import?

Can a collection of things (e.g.a crowd or a pile) be the subject of a singular proposition?

What is the contrapositive of the proposition "All S are P"?

What is the converse of the proposition "Some human beings are not Americans"?

"There are problems you did not mention" is what type of proposition?

What is the maximum number of nonequivalent, noncontradictory propositions that could be represented at the same time on a two-circle Venn diagram?

In a categorical proposition, does the quantifier modify the subject term or the predicate term?

Suppose we are trying to put declarative English sentences into standard form as categorical propositions.Will all of the English sentences have explicit subjects?

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

What is the quantifier in the following proposition? Some astronauts are not Russians.

Which of the following is a categorical proposition?

"Every president faces unexpected challenges" is what type of proposition?

Which Venn diagram represents the proposition "All S are P"?

Propositions without explicit quantifiers:

Contraries are propositions such that:

What is the relationship between "Some apartments are heated residences" and "No apartment is a heated residence"?

If a proposition is true and the predicate class is only one of several species of the subject class, then:

Which proposition is represented in the following Venn diagram?

The obverse of a proposition is formed by:

Which propositions are equivalent to their contrapositives?

What is the subcontrary of the proposition "Some movie stars are not good actors"?

According to the modern view of existential import, which of the following propositions has existential import?

Can a collection of things (e.g.a crowd or a pile) be the subject of a singular proposition?

What is the contrapositive of the proposition "All S are P"?

What is the converse of the proposition "Some human beings are not Americans"?

"There are problems you did not mention" is what type of proposition?

What is the maximum number of nonequivalent, noncontradictory propositions that could be represented at the same time on a two-circle Venn diagram?

In a categorical proposition, does the quantifier modify the subject term or the predicate term?

Suppose we are trying to put declarative English sentences into standard form as categorical propositions.Will all of the English sentences have explicit subjects?

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