Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Logical Reasoning Structure of Arguments Classical Square of Opposition
As per square of opposition which of the following propositions are so related that if one of them is true, the other must be false and vice-versa?
(A) All mammals are vertebrates.
(B) No mammals are vertebrates.
(C) Some non-mammals are not vertebrates.
(D) Some mammals are not vertebrates.
Choose the correct answer from the options given below:
1
(A) and (D) Only
2
(A) and (C) Only
3
(A) and (B) Only
4
(C) and (D) Only