380+ Symbolic Logic Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Arts in Philosophy (BA Philosophy) , Master of Arts in Philosophy (MA Philosophy) .

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1.	Logic is a-------- science
A.	positive science
B.	normative science
C.	descriptive science
D.	none of these
Answer» B. normative science

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2.	Logic is the Science of --------
A.	plants
B.	thought
C.	wealth
D.	society
Answer» B. thought

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3.	In Symbolic logic, ________ do not change their value.
A.	constants
B.	negation
C.	variables
D.	inference
Answer» A. constants

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4.	In _______ proposition, two simple propositions are combined by ‘either -- or’.
A.	disjunctive c
B.	negative
C.	conjunctive
D.	implication
Answer» A. disjunctive c

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5.	‘Socrates is a Philosopher’ is a -------- proposition
A.	compound
B.	simple
C.	general
D.	none of these
Answer» B. simple

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6.	‘If it is raining then the ground will be wet’ is an example of ________.
A.	negation
B.	conjunction
C.	disjunction
D.	implication
Answer» D. implication

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7.	A curl is also called ________.
A.	tilde
B.	dot
C.	wedge
D.	horseshoe
Answer» A. tilde

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8.	‘If p, then q and r’ is symbolized as _________.
A.	p ∙ (q ∙ r)
B.	(p ∙ q) ∙ r
C.	(~p ∙ q) ∙ r
D.	p⊃ (q ∙ r)
Answer» D. p⊃ (q ∙ r)

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9.	’ Ram is tall and Das is short’ is an example of --------- proposition
A.	compound
B.	simple
C.	general
D.	none of these
Answer» A. compound

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10.	Symbolic expression of ‘p implies q’ is
A.	p ∙ q
B.	p v q
C.	p כ q
D.	p ≡ q
Answer» D. p ≡ q

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11.	----------- changes its value from argument to argument.
A.	variable
B.	constant
C.	both (a) and (b)
D.	none of these
Answer» A. variable

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12.	Wedge symbol denotes ________ function.
A.	negation
B.	conjunction
C.	disjunction
D.	implication
Answer» C. disjunction

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13.	---------- symbol stands for ‘if -- then’ relationship.
A.	∙
B.	כ
C.	∨
D.	~
Answer» B. כ

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14.	In the compound statement ‘p ⊃ q’, ‘p’ and ‘q’ are _________.
A.	constants
B.	bi conditionals
C.	variables
D.	none of these
Answer» C. variables

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15.	‘Raju is not honest’ is an example of a _________ proposition.
A.	bi conditional
B.	conjunctive
C.	disjunctive
D.	negative
Answer» D. negative

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16.	The known propositions in an Inference is called
A.	conclusion
B.	predicate
C.	premises
D.	none of these
Answer» B. predicate

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17.	‘~’ is _________ symbol
A.	disjunction
B.	implication
C.	negation
D.	none of these
Answer» C. negation

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18.	In conjunctive propositions, two simple propositions are joined by the word _________.
A.	either – or
B.	and
C.	if -- then
D.	either – or
Answer» B. and

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19.	The language used with the purpose of giving information is called --- function of language
A.	expressive
B.	informative
C.	directive
D.	none of these
Answer» B. informative

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20.	‘Logic is the study of correct reasoning’ is an example for ---- function of language
A.	informative
B.	expressive
C.	directive
D.	none of these
Answer» A. informative

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21.	By using ________, the logical form of an argument becomes explicit.
A.	truth tables
B.	truth values
C.	symbols
D.	none of these
Answer» C. symbols

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22.	The constant symbol ‘ ’ stands for ________. ѵ
A.	disjunction
B.	implication
C.	negation
D.	none of these
Answer» A. disjunction

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23.	The use of language for expressing one’s feelings and emotions and thoughts are called ----
A.	informative
B.	expressive
C.	directive
D.	none of these
Answer» B. expressive

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24.	‘That is really great’ is an example of ------ use of language
A.	informative
B.	expressive
C.	directive
D.	none of these
Answer» B. expressive

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25.	The use of language that seeks for guide or to command is --- function of language
A.	expressive
B.	informative
C.	directive
D.	none of these
Answer» C. directive

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26.	’Shut the door’ is an example of ------ --- function of language
A.	informative
B.	expressive
C.	directive
D.	none of these
Answer» C. directive

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27.	By using ________, the validity of an argument can be determined more accurately.
A.	numbers
B.	linguistic expressions
C.	symbols
D.	all these
Answer» C. symbols

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28.	The new proposition derived from premises in an Inference is called
A.	premises
B.	conclusion
C.	copula
D.	predicate
Answer» B. conclusion

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29.	A compound proposition in which simple propositions are combined using ‘and’ is called
A.	bi conditionals
B.	disjunction
C.	conjunction
D.	none of these
Answer» C. conjunction

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30.	‘p q’ is a ________ proposition. ѵ
A.	disjunction
B.	implication
C.	negation
D.	none of these
Answer» A. disjunction

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31.	‘The Mathematical Analysis of Logic’ is the work of -----
A.	whitehead
B.	a j ayer
C.	russell
D.	george boole
Answer» D. george boole

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32.	‘An Investigation of the Laws of Thought’ is the work of -----
A.	george boole
B.	a j ayer
C.	russell
D.	whitehead
Answer» A. george boole

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33.	In collaboration with A.N. Whitehead, ----- published Principia Mathematica
A.	whitehead
B.	a j ayer
C.	russell
D.	george boole
Answer» C. russell

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34.	_________ is a truth-functional connective.
A.	dot
B.	wedge
C.	horseshoe
D.	all these
Answer» D. all these

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35.	The symbol for conjunction is --------
A.	dot
B.	wedge
C.	horseshoe
D.	all these
Answer» A. dot

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36.	The ‘If’ part in a Hypothetical proposition is called
A.	alternative
B.	consequence
C.	antecedent
D.	none of these
Answer» C. antecedent

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37.	The ‘Then’ part in a Hypothetical proposition is called
A.	alternative
B.	consequence
C.	antecedent
D.	none of these
Answer» B. consequence

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38.	---------- symbol stands for ‘either - or ’ relationship.
A.	∙
B.	כ
C.	∨
D.	~
Answer» C. ∨

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39.	‘≡’ is the symbol for ________.
A.	negation
B.	conjunction
C.	implication
D.	none of these
Answer» D. none of these

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40.	‘If a and b, then c’ is symbolized as _________.
A.	[(a . b) כ c]
B.	[a כ) b . c)]
C.	[( ~a כ b) .c ]
D.	[(a כ b) v c)]
Answer» A. [(a . b) כ c]

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41.	‘You will pass the exam only if you work hard’ is symbolized as _________.
A.	p כ w
B.	p . w
C.	p v w
D.	none of these
Answer» A. p כ w

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42.	---------- symbol stands for ‘if and only if’ relationship.
A.	∙
B.	כ
C.	∨
D.	≡
Answer» D. ≡

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43.	p . q is the symbolic expression of ------
A.	either p or q
B.	p implies q
C.	p and q
D.	p if and only if q
Answer» C. p and q

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44.	The horseshoe symbol indicates ------ function
A.	negation
B.	conjunction
C.	implication
D.	material equivalence
Answer» C. implication

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45.	‘Ram and Dinesh will not both be elected’ is symbolized as
A.	. (r . d)
B.	. (~r. d )
C.	. ~ (r . d) d). (~r. ~
Answer» C. . ~ (r . d) d). (~r. ~

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46.	‘Either Alice or Betty will be elected’ is symbolized as
A.	a .b
B.	a v b
C.	a ≡ b
D.	a כ b
Answer» B. a v b

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47.	‘Ram is not honest’ is symbolized as ----
A.	~ r
B.	r
C.	r . h
D.	r כ h
Answer» A. ~ r

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48.	‘Anu is short and Balu is tall’ is symbolized as ----
A.	a v b
B.	a. b
C.	a≡ b
D.	a כ b
Answer» B. a. b

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49.	‘~ ~’ is the symbol for ________.
A.	bi conditionals
B.	disjunction
C.	double negation
D.	none of these
Answer» C. double negation

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50.	‘Anu is not short and Balu is not tall’ is symbolized as ----
A.	a v b
B.	a . b
C.	~a . ~ b
D.	none of these
Answer» C. ~a . ~ b

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380+ Symbolic Logic Solved MCQs

Logic is a-------- science

Logic is the Science of --------

In Symbolic logic, ________ do not change their value.

In _______ proposition, two simple propositions are combined by ‘either -- or’.

‘Socrates is a Philosopher’ is a -------- proposition

‘If it is raining then the ground will be wet’ is an example of ________.

A curl is also called ________.

‘If p, then q and r’ is symbolized as _________.

’ Ram is tall and Das is short’ is an example of --------- proposition

Symbolic expression of ‘p implies q’ is

----------- changes its value from argument to argument.

Wedge symbol denotes ________ function.

---------- symbol stands for ‘if -- then’ relationship.

In the compound statement ‘p ⊃ q’, ‘p’ and ‘q’ are _________.

‘Raju is not honest’ is an example of a _________ proposition.

The known propositions in an Inference is called

‘~’ is _________ symbol

In conjunctive propositions, two simple propositions are joined by the word _________.

The language used with the purpose of giving information is called --- function of language

‘Logic is the study of correct reasoning’ is an example for ---- function of language

By using ________, the logical form of an argument becomes explicit.

The constant symbol ‘ ’ stands for ________. ѵ

The use of language for expressing one’s feelings and emotions and thoughts are called ----

‘That is really great’ is an example of ------ use of language

The use of language that seeks for guide or to command is --- function of language

’Shut the door’ is an example of ------ --- function of language

By using ________, the validity of an argument can be determined more accurately.

The new proposition derived from premises in an Inference is called

A compound proposition in which simple propositions are combined using ‘and’ is called

‘p q’ is a ________ proposition. ѵ

‘The Mathematical Analysis of Logic’ is the work of -----

‘An Investigation of the Laws of Thought’ is the work of -----

In collaboration with A.N. Whitehead, ----- published Principia Mathematica

_________ is a truth-functional connective.

The symbol for conjunction is --------

The ‘If’ part in a Hypothetical proposition is called

The ‘Then’ part in a Hypothetical proposition is called

---------- symbol stands for ‘either - or ’ relationship.

‘≡’ is the symbol for ________.

‘If a and b, then c’ is symbolized as _________.

‘You will pass the exam only if you work hard’ is symbolized as _________.

---------- symbol stands for ‘if and only if’ relationship.

p . q is the symbolic expression of ------

The horseshoe symbol indicates ------ function

‘Ram and Dinesh will not both be elected’ is symbolized as

‘Either Alice or Betty will be elected’ is symbolized as

‘Ram is not honest’ is symbolized as ----

‘Anu is short and Balu is tall’ is symbolized as ----

‘~ ~’ is the symbol for ________.

‘Anu is not short and Balu is not tall’ is symbolized as ----