Paper 1 · Logical Reasoning
UGC NET 03rd Jan 2026 Shift 2 Set A
Match List I (Relation between propositions) with List II (Propositions).
List I
- Contradictories
- Contraries
- Subcontraries
- Subalternation
List II
- A and E
- A and I
- E and I
- I and O
AI-a, II-b, III-c, IV-d
BI-b, II-a, III-d, IV-c
CI-c, II-a, III-d, IV-b ✓ Correct
DI-d, II-c, III-b, IV-a
Answer: C
Explanation
★Use the traditional square of opposition over the four categorical forms A, E, I and O. Contradictories are pairs that cannot both be true and cannot both be false, which fits E and I, so I goes with c. Contraries can both be false but not both true, which fits A and E, so II goes with a. Subcontraries can both be true but not both false, which fits I and O, so III goes with d. Subalternation links a universal with its matching particular, namely A and I, so IV goes with b. This gives I with c, II with a, III with d and IV with b.
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