Deck 15: Topics in Propositional Logic and Categorical Syllogisms

Question 1

Proposition is particular if the subject refers to only _______of the class

A)part
B)whole
C)wide
D)full

Answer 1

part

Question 2

A proposition ___________term, if it refers to all members of the class designated by the term

A)selects
B)distributes
C)exchange
D)negation

Answer 2

distributes

Question 3

An ________ proposition is said to distribute both subject and predicate terms

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

Answer 3

E

Question 4

A universal or particular affirmative proposition, do not distribute their_________term.

A)predicate
B)Negation
C)subject
D)disjunction

Question 5

A valid standard form categorical syllogism must contain exactly __________terms, each of which is used in the same sense throughout the argument.

A)Two
B)Three
C)Four
D)Five

Question 6

The___________ of the class of all chairs is the class of all things that are not chairs.

A)Supplement
B)conjunction
C)sum
D)complement

Question 7

Which of the following is the obverse of the proposition of the A proposition' All S is P '

A)All S is Non P
B)No S is non P
C)Some S is non P
D)some S is P

Question 8

A statement form that has only false substitution instance is said to be

A)Tautology
B)Contradiction
C)Opposition
D)Contingent

Question 9

The statement form ~(p.q) is logically equivalent to

A)~p v ~q
B)~p.q
C)p.~q
D)~P.~q

Question 10

The statement form p ? q is logically equivalent to

A)~p ? ~q
B)~q ? ~p
C)p v q
D)q ? p

Question 11

[(p . q) ? r] is logically equivalent to which of the following

A)p ? (q ? r)
B)(p.q) v r
C)(p ? q) v r
D)p ?(qvr)

Question 12

The compound proposition in which the word 'and' is used to connect simple statements

A)Disjunction
B)implication
C)conjunction
D)negation

Question 13

In the conditional , the component statement that follows 'then' is called

A)Antecedent
B)consequent
C)disjunct
D)complement

Question 14

The weak implication symbolized by ? is called a

A)Disjunction
B)Material implication
C)Conjunction
D)Negation

Question 15

Universal quantifier is symbolized as

A)x
B)(x)
C)?x
D)(?x)

Question 16

There is atleast one x such that x is mortal can be symbolized as

A)(x) Mx
B)(?x)Mx
C)(x)
D)?x

Question 17

_____________ is the process of obtaining a proposition from a propositional function by substituting a constant for the variable.

A)Instantiation
B)Quantification
C)Deduction
D)Implication

Question 18

An error in reasoning is called _________

A)Affirmation
B)Quantification
C)Fallacy
D)Association

Question 19

Obversion is a valid __________inference, when applied to any standard form categorical proposition.

A)Mediate
B)Immediate
C)Minor
D)Major

Question 20

The premise of the immediate inference by obversion is referred to as

A)Obverse
B)Converse
C)Opposition
D)Obvertend

Question 21

A deductive argument in which conclusion is inferred from two premises is called

A)Syllogism
B)Representation
C)Analogy
D)Opposition

Question 22

The term that occurs as the predicate of the conclusion is

A)minor term
B)middle term
C)major term
D)complement

Question 23

The form of a syllogism may be completely described by stating its mood and________

A)Diagram
B)Figure
C)Structure
D)Complement

Question 24

The term that occurs as the subject of the conclusion is called

A)Major term
B)Minor term
C)Middle term
D)Complement

Question 25

In Symbolic logic parentheses, braces , brackets are used as __________ marks

A)Error
B)Disjunction
C)Punctuation
D)Figure