Any argument is formulated by two things
A. premise
B. conclusion
C. arguments
D. Both Premise and Conclusion
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What are the names of the components of every proposition?
A. Subject
B. Predicate
C. Copula
D. All of these
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Which one of the following statement is not logically true?
A. If either logic is difficult or many students like it and in fact many students do not like it than logic is difficult
B. Logic is difficult or logic is not difficult
C. Mathematicians love logic
D. It is not the case that logic is difficult and not difficult
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Two propositions are said to be . . . . . . . . If they cannot be both true and false together
A. Contradictories
B. Contraries
C. Subcontraries
D. None of these
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Which one among the following is a tautology?
A. P ∨ P
B. P . P
C. P ⋅ P
D. P ⊃ P
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Which one of the following is not a valid mood of first figure?
A. Barbara
B. Darii
C. Celarent
D. Baroco
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If two propositions having the same subject and predicate cannot both be true but can both the false, their relation is called
A. Sub-alternation
B. Contradictory
C. Contrary
D. Sub-contrary
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Validity in logic represented by
A. arguments
B. statements
C. doctrines
D. notions
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The statement form that has only false substitution instances is called
A. tautology
B. contradiction
C. contingent
D. implication
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To obvert a proposition is an immediate inference
A. Only quality of the proposition is to be changed
B. Only quantity of the proposition is to be changed
C. Quality is to be changed and the predicate term is to be replaced with its complement
D. Quality is to be changed and predicate term is to be replaced with its components
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What is the study in which we try to distinguish correct from incorrect reasoning is
A. fact many students do not like it than logic is difficult
B. Logic
C. Economics
D. Science
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There are honest politicians', the standard logical form of this proposition will be
A. All politicians are honest beings
B. Some politicians are honest beings
C. Some politicians are not honest beings
D. All of the above
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These two kinds of proposition are said to be conditional
A. Disjunctive and Hypothetical
B. Hypothetical and Categorical
C. Universal and Particular
D. Affirmative and Negative
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Consider the Assertion (A) and Reason (R) and select the correct answer:
Assertion (A) If one premise is particular, the conclusion must be particular.
Reason (R) (i) An affirmative particular has no distributed terms, and a negative particular has an only one.
(ii) The premises cannot both be particular and thus must differ in quantity.
A. A and R both are true but R (i) and (ii) correct explanations of A
B. A and R both are true but R (i) is correct explanation of A
C. A and R both are true but R (ii) is a correct explanation of A
D. A is true, but R (i) and (ii) are incorrect explanations of A
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No whales are fishes', . . . . . . . . the subalternation form of the above E proposition will be
A. Some whales are fishes-I
B. Some whales are not fishes-O
C. All fishes are whales-A
D. None of the above
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A deductive argument is valid if its premises
A. Do provide conclusive proof of its conclusion
B. Do provide empirical truth for its conclusion
C. Are true
D. None of the above
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What do you mean by the denotation of terms?
A. It denotes nothing
B. It denotes everything
C. It denotes object
D. It denotes features
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If the proposition 'All men are mortal' is true, what is the truth-value of the proposition 'Some men are not mortal'?
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The proposition that denies the relations of inclusion between the two terms denies its universality
A. Particular affirmative
B. Universal affirmative
C. Particular negative
D. Universal negative
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Which two laws of thought are taken are corollaries?
A. Law of non-contradiction and law of reflection
B. Law of excludsd middle and law of inclusion
C. Law of non-contradiction and law of identity
D. Law of non-contradiction and law of excluded middle
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