Deck 5: Categorical Propositions

Question 1

Categorical propositions:

A)never refer to just one single object
B)concern classes of objects and tell whether one class is included within the other
C)are affirmative statements about classes of objects
D)are false if their quality is negative

Answer 1

concern classes of objects and tell whether one class is included within the other

Question 2

The categorical proposition "Some men who go bald are not happy individuals" is a:

A)universal affirmative
B)particular affirmative
C)universal negative
D)particular negative

Answer 2

particular negative

Question 3

"No good student is a person who would be seen staying up late on a weeknight." What is the quality of this proposition?

A)universal
B)particular
C)affirmative
D)negative

Answer 3

negative

Question 4

"Some people are annoying drunks who sing too loudly." What is the quantity of this proposition?

A)affirmative
B)universal
C)particular
D)indeterminate

Question 5

"All professors of logic are gentle souls who just want to be loved." Which term in this proposition is distributed?

A)both the subject and the predicate
B)gentle souls
C)professors of logic
D)neither the subject nor the predicate

Question 6

"No logic problems are valuable experiences." "Some logic problems are valuable experiences."
How are these two propositions related?

A)they are contradictories
B)they are contraries
C)they are corresponding propositions-super- or subalterns
D)they are subcontraries

Question 7

The proposition "No man is a monkey" may be obtained from the proposition "No monkey is a man" by:

A)conversion
B)obversion
C)inversion
D)contraposition

Question 8

The obverse of "No sofas are chairs" is:

A)all non-chairs are non-sofas
B)all sofas are non-chairs
C)no sofa is a non-chair
D)no chair is a sofa

Question 9

In the Boolean interpretation of propositional logic:

A)subalternation is no longer valid
B)A and I propositions are no longer contraries
C)the square of opposition is rescued by making the existential presupposition
D)universal propositions have existential import

Question 10

To symbolize the proposition "Some dinosaurs were not large creatures" with a Venn diagram:

A)a small x is placed in the intersection of the two circles representing "dino- saurs" and "large creatures"
B)a small x is placed inside the circle representing "dinosaurs" but outside the other circle representing "large creatures"
C)a small x is placed inside the circle representing "large creatures" but outside the other circle representing "dinosaurs"
D)the part of the circle representing "dinosaurs" is shaded out, except that part overlapping the circle representing "large creatures"

Question 11

Classical logic applies only to inductive arguments.

Question 12

Categorical propositions affirm or deny that a class S is included in some other
class P, in whole or in part.

Question 13

There are only four standard forms of categorical propositions.

Question 14

The copula, which connects S and P, can be any form of "to be."

Question 15

Subalternation occurs when two propositions are not corresponding propositions.

Question 16

Matching:

-There are only ________ ways in which propositions may be "opposed.

A)"two
B)four
C)three

Question 17

Matching:

-________ occur(s) between corresponding propositions.

A)Contradictories
B)Subalternation
C)Conversion

Question 18

Matching:

-________ occurs when the subject and predicate terms of a proposition are interchanged.

A)Conversion
B)Obversion
C)Subalternation

Question 19

Matching:

-To ________ a proposition, change its quality and replace the predicate term by its complement.

A)obvert
B)convert
C)contradict

Question 20

Matching:

-"No men are women" is the ________ of "No women are men."

A)converse
B)obverse
C)opposite