Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

“If a statement is true, then it is implied by any statement whatever” issymbolized as

A. p Ͻ (p Ͻ q)
B. p Ͻ (q Ͻ p)
C. ̴p Ͻ (p Ͻ q)
D. ̴p Ͻ (q Ͻ p)
Answer» C. ̴p Ͻ (p Ͻ q)
Discussion
2.

An argument form is valid if and only if it’s expression in the form of a conditionalstatement is ……………

A. a contradiction
B. a biconditional
C. a tautology
D. material implication
Answer» D. material implication
Discussion
3.

. ̴( p . q) is logically equivalent to …………………………………..

A. p v ̴q
B. ̴p . ̴q
C. ̴p v ̴q
D. ̴p v q
Answer» D. ̴p v q
Discussion
4.

…………………. statements have the same meaning and may be substituted for oneanother

A. materially equivalent
B. logically equivalent
C. tautologous
D. self-contradictory
Answer» C. tautologous
Discussion
5.

Two statements are ………………… when their material equivalence is a tautology

A. self-contradictory
B. contingent
C. logically equivalent
D. materially implying
Answer» D. materially implying
Discussion
6.

Statement forms that have both true and false statements among theirsubstitution instances are called ……………………………………………..

A. tautologous statement forms
B. contingent statement forms
C. self-contradictory statement forms
D. specific statement forms
Answer» C. self-contradictory statement forms
Discussion
7.

A statement form that has only true substitution instances is called ……………………

A. a “ tautologous statement form “ or a “ tautology”
B. a self-contradictory statement form or contradiction
C. a contingent statement form
D. specific statement form
Answer» B. a self-contradictory statement form or contradiction
Discussion
8.

’statement form from which the statement results by substituting a differentsimple statement for each different statement variable’ is called ……………………..

A. the specific form of a given argument
B. tautology
C. contradiction
D. the specific form of a given statement
Answer» E.
Discussion
9.

………………………… is any sequence of symbols containing statement variables butno statements, such that when statements are substituted for the statement\ variables-the same statement being substituted for the same statement variable throughout- the result is a statement

A. an argument form
B. specific form of argument
C. a statement form
D. argument
Answer» D. argument
Discussion
10.

Refutation by logical analogy is based on the fact that any argument whosespecific form is an invalid argument form is ………………………..

A. sound
B. a contradiction
C. an invalid argument.
D. a valid argument
Answer» D. a valid argument
Discussion
11.

In case an argument is produced by substituting a different simple statement foreach different statement variable in an argument form, that argument form is called ……………………

A. the “specific form” of that argument
B. a “ substitution instance” of that argument form
C. valid argument
D. invalid argument
Answer» B. a “ substitution instance” of that argument form
Discussion
12.

If the specific form of a given argument has any substitution instance whosepremises are true and whose conclusion is false, then the given argument is.

A. valid
B. invalid
C. valid or invalid
D. sound
Answer» C. valid or invalid
Discussion
13.

Any argument that results from the substitution of statements for statementvariables in an argument form is called ………………………………

A. invalid argument
B. valid argument
C. the specific form
D. a “ substitution instance” of that argument form
Answer» E.
Discussion
14.

…………………………… can be defined as an array of symbols containing statementvariables but no statements, such that when statements are substituted for statement variables- the same statement being substituted for the same statement variable throughout – the result is an argument

A. specific statement form
B. a statement form
C. an argument form
D. an argument
Answer» D. an argument
Discussion
15.

Ramesh and Dinesh will both not be elected.

A. a v ̴b
B. ̴a . ̴b
C. ̴( a . b )
D. ̴a v b
Answer» C. ̴( a . b )
Discussion
16.

An argument can be proved invalid by constructing another argument of thesame form with …………………….

A. false premises and false conclusion
B. true premises and false conclusion
C. true premises and true conclusion
D. false premises and true conclusion
Answer» C. true premises and true conclusion
Discussion
17.

‘The disjunction whose first disjunct is the conjunction of p and q and whosesecond disjunct is r ‘ is symbolized as ………………………..

A. p v ( q . r )
B. ( p vq ) . r
C. p . ( q v r )
D. ( p . q ) v r
Answer» E.
Discussion
18.

‘ A and B will not both be selected ’ is symbolized as ………………………..

A. ̴( a . b )
B. ̴a v b
C. a v ̴b
D. ̴a . ̴b
Answer» B. ̴a v b
Discussion
19.

The negaton of A V B is symbolized as ………………

A. ̴a v ̴b
B. ̴( a v b )
C. ̴a v b
D. a v ̴b
Answer» C. ̴a v b
Discussion
20.

‘ q if p ‘ is symbolized as……………………………….

A. ‘q Ͻ p’
B. ‘p ≡ q’
C. ‘p v q’
D. ’ p Ͻ q ‘
Answer» E.
Discussion
21.

’ The conjunction of p with the disjunction of q with r’, is symbolized as …….

A. ( p vq ) . r
B. ( p . q ) v r
C. p . ( q v r )
D. p v ( q . r )
Answer» D. p v ( q . r )
Discussion
22.

“it is not the case that the antecedent is true and the consequent is false” issymbolized as……………………………………….

A. ̴( p . ̴q )
B. p . ̴q
C. ̴p . ̴q
D. ̴p . q
Answer» B. p . ̴q
Discussion
23.

No real connection between antecedent and consequent is suggested by …………

A. decisional implication
B. material implication
C. causal implication
D. definitional implication
Answer» C. causal implication
Discussion
24.

……………………….. is regarded the common meaning that is part of the meaning ofall four different types of implication symbolized as “ If p , then q”

A. ̴p . q
B. ̴p . ̴q
C. ̴( p . ̴q )
D. p . ̴q
Answer» D. p . ̴q
Discussion
25.

’If you study well, then you will pass the examination’ is an example for ……………

A. implication
B. bi-conditional
C. disjunction
D. conjunction
Answer» B. bi-conditional
Discussion
26.

For a conditional to be true the conjunction “ p. ̴q “ must be ……………….

A. true or false
B. true
C. false
D. undetermined.
Answer» D. undetermined.
Discussion
27.

A conditional statement asserts that in any case in which it’s antecedent is true,it’s consequent is ……………………………

A. not true
B. true or false
C. false
D. true also
Answer» E.
Discussion
28.

Gopal is either intelligent or hard working’ is an example for …………………………

A. bi-conditional
B. implication
C. inclusive or weak disjunction
D. exclusive or strong disjunction
Answer» D. exclusive or strong disjunction
Discussion
29.

‘Today is Thursday or Saturday’ is an example for………………………………..

A. implication
B. exclusive disjunction
C. inclusive disjunction
D. bi conditional
Answer» C. inclusive disjunction
Discussion
30.

The dot “ . ”symbol is……………………………………..

A. a truth-functional operator
B. a statement variable
C. propositional function
D. a truth-functional connective
Answer» E.
Discussion
31.

The curl “ ̴“ is ……………………………………………………..

A. propositional function
B. a statement variable
C. a truth-functional connective
D. a truth-functional operator
Answer» E.
Discussion
32.

Inclusive or weak disjunction is false only in case ……………………………………………….

A. both of it’s disjuncts are false
B. at least one disjunct is false
C. both disjuncts are true
D. none of the above
Answer» B. at least one disjunct is false
Discussion
33.

A conjunction is true if and only if ……………………………………….

A. at least one conjunct is true
B. both of it’s conjuncts are true
C. both conjuncts are false
D. none of the above
Answer» C. both conjuncts are false
Discussion
34.

…………………………..Symbol is used for bi –conditional

A. the tilde “ ~ ”
B. ”v”
C. ” Ͻ”
D. “ ≡ “
Answer» E.
Discussion
35.

………………………….. Symbol is used for conjunction

A. the dot “.”
B. the tilde “ ~ ”
C. the vel ”v”
D. the horse shoe” Ͻ”
Answer» B. the tilde “ ~ ”
Discussion
36.

………………………….. Symbol is used for weak disjunction

A. the vel ”v”
B. the dot “.”
C. the horse shoe” Ͻ”
D. the tilde “ ~ ” 48. ………………………….. symbol is used for negation
Answer» B. the dot “.”
Discussion
37.

A compound proposition whose truth-value is completely determined by thetruth-values of it’s component statements is called …………………….

A. bi -conditional
B. non- truth-functional
C. conditional
D. truth-functional
Answer» E.
Discussion
38.

The phrase “if and only if” is used to express……………………………………………………….

A. sufficient condition
B. both sufficient and necessary condition
C. necessary condition
D. no condition
Answer» C. necessary condition
Discussion
39.

Conditional statement is also called………………………………….

A. implication
B. material equivalence
C. logical equivalence
D. conjunction
Answer» B. material equivalence
Discussion
40.

Bi-conditional statement is also called ………………….

A. implication
B. logical equivalence
C. material implication
D. material equivalence
Answer» E.
Discussion
41.

When two statements are combined by using the phrase “if and only if”, theresulting compound statement is called …………………………………………..

A. conditional statement
B. bi-conditional statement
C. disjunctive statement
D. conjunctive statement
Answer» C. disjunctive statement
Discussion
42.

The two component statements of disjunction are called ……………………………….

A. ” conjuncts”
B. the “consequents”
C. “disjuncts”
D. the “antecedents”
Answer» D. the “antecedents”
Discussion
43.

The two component statements of conjunction are called……………………………..

A. the “antecedents”
B. ”disjuncts”
C. “conjuncts”
D. the “consequents”
Answer» D. the “consequents”
Discussion
44.

In a conditional, the component statement that follows the “then” is called ……….

A. the “antecedent”
B. the “consequent”
C. the “disjunct”
D. the “conjunct”
Answer» C. the “disjunct”
Discussion
45.

In a conditional, the component statement that follows the “if” is called ……………

A. the “consequent”
B. the “antecedent”
C. the “conjunct”
D. the “disjunct”
Answer» C. the “conjunct”
Discussion
46.

The two types of statements dealt within propositional logic are ……………………

A. singular and general statements
B. universal affirmative and universal negative statements
C. particular affirmative and particular negative statements
D. simple and compound statements.
Answer» E.
Discussion
47.

……………………………………. does not analyse the internal structure of propositions

A. quantification logic
B. predicate logic
C. propositional logic
D. truth functional logic
Answer» D. truth functional logic
Discussion
48.

Quantification logic is also called………………………………………

A. propositional logic
B. predicate logic
C. classical logic
D. ancient logic
Answer» C. classical logic
Discussion
49.

………………………………….analyses the internal structure of propositions

A. propositional logic
B. truth functional logic
C. sentential logic
D. predicate logic
Answer» E.
Discussion
50.

…………………………..is a branch of Symbolic Logic

A. classical logic
B. traditional logic
C. propositional logic
D. mathematical logic
Answer» D. mathematical logic
Discussion