Paper 1 · Logical Reasoning
UGC NET December 2021 June 2022 (22.09.2022) Shift-I
If the statement 'All men are honest' is given as false, which of the following could be inferred immediately from it?
- 'Some men are honest' is false
- 'No men are honest' is true
- 'No men are honest' is undetermined
- 'Some men are not honest' is true
A1 and 2 only
B3 and 4 only ✓ Correct
C1 and 4 only
D2 and 4 only
Correct answer: (B) 3 and 4 only — The answer is 3 and 4.
Explanation
★The answer is 3 and 4.
★If 'All men are honest' is false, its contradictory 'Some men are not honest' is true, which is item 4.
★The falsity of the universal affirmative leaves 'No men are honest' undetermined, which is item 3.
★The claim that 'Some men are honest' is false does not follow, so item 1 is excluded.
★The claim that 'No men are honest' is true does not follow either, so item 2 is excluded.
★So the immediate inferences are items 3 and 4.
★So the answer is 3 and 4.
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