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
Answer: Option C
This Question Belongs to Philosophy >> Basic Logic Concepts In Philosophy
What is said to be the building blocks of our reasoning?
A. Proposition
B. Statement
C. Argument
D. Explanation
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
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
A. 1 and 3
B. 1 and 2
C. 2 and 3
D. 1 and 4
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