Question 1

Could there be a categorical proposition that does not fit any of the four forms: A, E, I, and O?

Accepted Answer

A) No, because even non-categorical propositions can be made to fit one of the four forms. 
B) No, because a proposition without a quality and quantity would not be categorical. 
C) Yes, because some categorical propositions have no quality. 
D) Yes, because some categorical propositions have no quantity. 
E) Yes, and that is why we have the miscellaneous form U. 
A) No, because even non-categorical propositions can be made to fit one of the four forms. 
B) No, because a proposition without a quality and quantity would not be categorical. 
C) Yes, because some categorical propositions have no quality. 
D) Yes, because some categorical propositions have no quantity. 
E) Yes, and that is why we have the miscellaneous form U.

Question 2

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

Accepted Answer

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

Question 3

Are standard Venn diagrams based on the traditional or modern view of existential import?

Accepted Answer

A) modern 
B) traditional 
C) both 
D) neither 
E) It varies, depending on what the terms of the proposition(s) are. 
A) modern 
B) traditional 
C) both 
D) neither 
E) It varies, depending on what the terms of the proposition(s) are.

Question 4

What is the obverse of the proposition "Some chemicals are not toxic substances"?

Accepted Answer

A) Some chemicals are nontoxic substances. 
B) Some toxic substances are non-chemicals. 
C) No toxic substance is a non-chemical. 
D) No chemical is a nontoxic substance. 
E) All nontoxic substances are chemicals. 
A) Some chemicals are nontoxic substances. 
B) Some toxic substances are non-chemicals. 
C) No toxic substance is a non-chemical. 
D) No chemical is a nontoxic substance. 
E) All nontoxic substances are chemicals.

Question 5

Can a categorical proposition have two subject classes?

Accepted Answer

A) No, since a proposition with two subject classes is not categorical. 
B) No, since it is impossible to relate the same predicate to two subjects. 
C) No, since English grammar only allows a sentence to have a single subject. 
D) Yes, as long as one of the subject classes is a species of the other. 
E) Yes, as long as the two subject classes are both species of the same genus. 
A) No, since a proposition with two subject classes is not categorical. 
B) No, since it is impossible to relate the same predicate to two subjects. 
C) No, since English grammar only allows a sentence to have a single subject. 
D) Yes, as long as one of the subject classes is a species of the other. 
E) Yes, as long as the two subject classes are both species of the same genus.

Question 6

Which of the following propositions is equivalent to "All vegetables are nutritious foods"?

Accepted Answer

A) No nutritious food is a vegetable. 
B) Some vegetables are nutritious foods. 
C) Some vegetables are non-nutritious foods. 
D) No vegetable is a nutritious food. 
E) All non-nutritious foods are non-vegetables. 
A) No nutritious food is a vegetable. 
B) Some vegetables are nutritious foods. 
C) Some vegetables are non-nutritious foods. 
D) No vegetable is a nutritious food. 
E) All non-nutritious foods are non-vegetables.

Question 7

What is the contrapositive of the proposition "No P is S"?

Accepted Answer

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

Question 8

How many distinct categorical propositions in standard form could be identical in both form and content?

Accepted Answer

A) 1 
B) 2 
C) 4 
D) 6 
E) infinitely many 
A) 1 
B) 2 
C) 4 
D) 6 
E) infinitely many

Question 9

Which of the following propositions is in standard form A?

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

What is the obverse of the proposition "Some nonfairies are nongoblins"?

Accepted Answer

A) Some goblins are fairies. 
B) All goblins are nonfairies. 
C) No goblin is a fairy. 
D) Some nongoblins are nonfairies. 
E) Some nonfairies are not goblins. 
A) Some goblins are fairies. 
B) All goblins are nonfairies. 
C) No goblin is a fairy. 
D) Some nongoblins are nonfairies. 
E) Some nonfairies are not goblins.

Question 11

Which of the following propositions has form O, "smile" as the subject, and "hostile gesture" as the predicate?

Accepted Answer

A) Some smiles are not hostile gestures. 
B) Some hostile gestures are not smiles. 
C) No smile is a hostile gesture. 
D) Some hostile gestures are smiles. 
E) All smiles are hostile gestures. 
A) Some smiles are not hostile gestures. 
B) Some hostile gestures are not smiles. 
C) No smile is a hostile gesture. 
D) Some hostile gestures are smiles. 
E) All smiles are hostile gestures.

Question 12

An advertising campaign for John Deere used the slogan, "Nothing runs like a Deere." What is this proposition in standard form?

Accepted Answer

A) Some things are things that do not run like a Deere. 
B) A Deere is a thing that runs like nothing else. 
C) No thing is a thing that runs like a Deere. 
D) No Deere is a thing that runs like anything else. 
E) No running is a thing that is done like a Deere. 
A) Some things are things that do not run like a Deere. 
B) A Deere is a thing that runs like nothing else. 
C) No thing is a thing that runs like a Deere. 
D) No Deere is a thing that runs like anything else. 
E) No running is a thing that is done like a Deere.

Question 13

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

Accepted Answer

A) contradictories 
B) contrapositives 
C) contraries 
D) subalternates 
E) converses 
A) contradictories 
B) contrapositives 
C) contraries 
D) subalternates 
E) converses

Question 14

What is the predicate class in the following proposition? Whales breathe by means of lungs.

Accepted Answer

A) whales 
B) lungs 
C) things that breathe by means of lungs 
D) by means of lungs 
E) breathe 
A) whales 
B) lungs 
C) things that breathe by means of lungs 
D) by means of lungs 
E) breathe

Question 15

Which Venn diagram represents the proposition "No S is P"?

Accepted Answer

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

Question 16

Nonstandard quantifiers are called "nonstandard" because:

Accepted Answer

A) they don't indicate whether the proposition is universal or particular 
B) they don't indicate whether the proposition is affirmative or negative 
C) they use words in a way that most English speakers would find unusual 
D) they are not on the list of standard quantifiers 
E) they cause the proposition to commit at least one grammatical error 
A) they don't indicate whether the proposition is universal or particular 
B) they don't indicate whether the proposition is affirmative or negative 
C) they use words in a way that most English speakers would find unusual 
D) they are not on the list of standard quantifiers 
E) they cause the proposition to commit at least one grammatical error

Question 17

In Venn diagrams, shading an area is used to indicate that:

Accepted Answer

A) nothing in that area exists 
B) something in that area exists 
C) you've made an error in that part of the diagram 
D) a proposition does not have a subject 
E) a proposition does not have a predicate 
A) nothing in that area exists 
B) something in that area exists 
C) you've made an error in that part of the diagram 
D) a proposition does not have a subject 
E) a proposition does not have a predicate

Question 18

Subcontrary 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 19

Which immediate inference(s) changes the quality of a categorical proposition?

Accepted Answer

A) converse only 
B) obverse only 
C) obverse and contrapositive 
D) contrapositive and converse 
E) No immediate inference changes the quality. 
A) converse only 
B) obverse only 
C) obverse and contrapositive 
D) contrapositive and converse 
E) No immediate inference changes the quality.

Question 20

To disprove that "All men are chauvinists," you would need to prove that:

Accepted Answer

A) some men are not chauvinists 
B) no man is a chauvinist 
C) some men are chauvinists 
D) no chauvinist is a man 
E) some chauvinists are not men 
A) some men are not chauvinists 
B) no man is a chauvinist 
C) some men are chauvinists 
D) no chauvinist is a man 
E) some chauvinists are not men

Could there be a categorical proposition that does not fit any of the four forms: A, E, I, and O?

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

Are standard Venn diagrams based on the traditional or modern view of existential import?

What is the obverse of the proposition "Some chemicals are not toxic substances"?

Can a categorical proposition have two subject classes?

Which of the following propositions is equivalent to "All vegetables are nutritious foods"?

What is the contrapositive of the proposition "No P is S"?

How many distinct categorical propositions in standard form could be identical in both form and content?

Which of the following propositions is in standard form A?

What is the obverse of the proposition "Some nonfairies are nongoblins"?

Which of the following propositions has form O, "smile" as the subject, and "hostile gesture" as the predicate?

An advertising campaign for John Deere used the slogan, "Nothing runs like a Deere." What is this proposition in standard form?

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

What is the predicate class in the following proposition? Whales breathe by means of lungs.

Which Venn diagram represents the proposition "No S is P"?

Nonstandard quantifiers are called "nonstandard" because:

In Venn diagrams, shading an area is used to indicate that:

Subcontrary propositions always have the forms:

Which immediate inference(s) changes the quality of a categorical proposition?

To disprove that "All men are chauvinists," you would need to prove that:

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

Could there be a categorical proposition that does not fit any of the four forms: A, E, I, and O?

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

Are standard Venn diagrams based on the traditional or modern view of existential import?

What is the obverse of the proposition "Some chemicals are not toxic substances"?

Can a categorical proposition have two subject classes?

Which of the following propositions is equivalent to "All vegetables are nutritious foods"?

What is the contrapositive of the proposition "No P is S"?

How many distinct categorical propositions in standard form could be identical in both form and content?

Which of the following propositions is in standard form A?

What is the obverse of the proposition "Some nonfairies are nongoblins"?

Which of the following propositions has form O, "smile" as the subject, and "hostile gesture" as the predicate?

An advertising campaign for John Deere used the slogan, "Nothing runs like a Deere." What is this proposition in standard form?

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

What is the predicate class in the following proposition? Whales breathe by means of lungs.

Which Venn diagram represents the proposition "No S is P"?

Nonstandard quantifiers are called "nonstandard" because:

In Venn diagrams, shading an area is used to indicate that:

Subcontrary propositions always have the forms:

Which immediate inference(s) changes the quality of a categorical proposition?

To disprove that "All men are chauvinists," you would need to prove that:

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