What is said to be the building blocks of our reasoning?
A. Proposition
B. Statement
C. Argument
D. Explanation
Select an option to see the answer and solution.
What do you mean by a term which is undistributed?
A. Excellence of some members of a class
B. Exclusion of some members of a class
C. Exclusion of many members
D. Inclusion of many members
Select an option to see the answer and solution.
The subaltern of the proposition 'Some scientists are mathematicians' are
A. Some scientists are not mathematicians
B. No scientists are mathematicians
C. All scientists are mathematicians
D. None of the above
Select an option to see the answer and solution.
Validity and invalidity deals with
1. Arguments
2. Deductieve Arguments
3. Inductive Arguments
4. Statements
Select the correct answer:
A. 1 and 3
B. 1 and 2
C. 2 and 3
D. 1 and 4
Select an option to see the answer and solution.
If the argument is valid and its premises are true
A. Its conclusion must be true also
B. Its conclusion must be false
C. Its conclusion may be false
D. None of the above
Select an option to see the answer and solution.
Which type of logic proves the conclusion with conclusive evidence
A. Inductive
B. Deductive
C. Both inductive and deductive
D. None of the above
Select an option to see the answer and solution.
The contrary of the proposition "All men are mortal" is
A. No men are mortal
B. Some men are not mortal
C. Some men are mortal
D. None of the above
Select an option to see the answer and solution.
Match the following:
List-I
List-II
a. Universal Affirmative
1. Some men are wise
b. Universal Negative
2. Some students are not voters
c. Particular Affirmative
3. No men are immortal
d. Particular Negative
4. All men are mortal
A. a-1, b-2, c-3, d-4
B. a-2, b-3, c-4, d-1
C. a-4, b-3, c-2, d-1
D. a-4, b-3, c-1, d-2
Select an option to see the answer and solution.
In the context of traditional square of opposition of proposition. Match
List-I with
List-Il and select the correct answer:
List-I
List-II
a. If 'I' is false
1. 'E' is undetermined
b. If 'O' is true
2. 'I' is undetermined
c. If 'I' is true
3. 'O' is undetermined
d. If 'A' is false
4. 'A' is false
A. a-4, b-1, c-3, d-2
B. a-3, b-2, c-4, d-1
C. a-2, b-3, c-1, d-4
D. a-1, b-4, c-2, d-3
Select an option to see the answer and solution.
Some S is P' is a kind of
A. Particular
B. Negative
C. Affirmative
D. Particular Affirmative
Select an option to see the answer and solution.
The obversion of the proposition "All leaves are green" is
A. No non-leaves are non-green
B. All leaves are non-green
C. Some leaves are non-green
D. No leaves are non-green
Select an option to see the answer and solution.
The content of an argument is . . . . . . . . and the order in which the content is arranged is . . . . . . . .
A. Matter, form
B. Valid, invalid
C. Premise, conclusion
D. None of the above
Select an option to see the answer and solution.
If O proposition is given as false the corresponding A, E and I will be
A. A is true, E is false and I is false
B. A is true, E is false and I is true
C. E is false and both A and I are undetermined
D. A is false and E and I are undetermined
Select an option to see the answer and solution.
Given that E and A, are similar In quantity, what makes both quantitatively similar
A. Particular
B. Affirmative
C. Universal
D. Negative
Select an option to see the answer and solution.
The kind of inference in which "there is a change in the quality of the given proposition, while its meaning remains unchanged" is called
A. conversion
B. obversion
C. contraposition
D. inversion
Select an option to see the answer and solution.
Two given categorical proposition are opposite if they are different in
A. quality, quantity
B. quality
C. quantity
D. None of these
Select an option to see the answer and solution.
If 'Some saints were martyrs' is true, what may be inferred about the truth or falsehood of the following proposition?
1. All non-martyrs were non-saints
2. All non saints were martyrs
Out of these statements
A. Both are true
B. Both are false
C. 1 is true, 2 is false
D. Both are undetermined
Select an option to see the answer and solution.
Which of the following is a correct statement in the light of truth and validity?
A. The truth or falsity of an argument's conclusion does by itself determine the validity or invalidity of that argument
B. The validity of an argument does guarantee the truth of its conclusion
C. Truth and falsity are attributed to the arguments while validity and invalidity are attributed to the propositions
D. The truth or falsity of an argument's conclusion does not by itself determine the validity or Invalidity of that argument and the fact that an argument is valid does not guarantee the truth of its conclusion
Select an option to see the answer and solution.
The quality of any standard form categorical proposition determines
A. Whether its predicate term is distributed or undistributed
B. Whether its subject term is distributed or undistributed
C. Whether both its subject and predicate terms are distributed
D. None of the above
Select an option to see the answer and solution.
The set of proposition that have both universal affirmative and unrversal negative come under the same domain.
A. Categorical
B. Conditional
C. Contradictory
D. Contrary
Select an option to see the answer and solution.