Paper 1 · Logical Reasoning
UGC NET 2022 Political Science (Shift 2)
Which of the following statements are sub-contraries?
- Statement I: All nurses are caring human beings
- Statement II: No nurses are caring human beings
- Statement III: Some nurses are caring human beings
- Statement IV: Some nurses are not caring human beings
AI and II only
BI and IV only
CII and III only
DIII and IV only ✓ Correct
Answer: D
Explanation
★Sub-contraries are the two particular propositions, some nurses are and some are not caring, which cannot both be false, that is III and IV. Hence option D.
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