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प्रश्न
If it is true that All men are honest and All politicians are men for which among the following is it impossible to follow from the given premises?
पर्याय
Some politicians are not honest
All politicians are honest
One politician is honest
All honest persons are politicians
उत्तर
Some politicians are not honest
Explanation:
A politician is a subset of Men and Men are a subset of Honest. Thus, the conclusions that can be drawn are 1. All politicians are honest 2. At least one politician is honest. All honest persons are politicians may or may not be true. Thus, 'All honest persons are politicians' is not a conclusion but a possibility. Therefore, other options are negated. But some politicians are not honest is neither a conclusion nor a possibility. It does not follow from the given premises.