Question
Statements: Only Lift are Stair. All
Ladder are Lift. No Lift is a Step. Conclusions: I. Some Ladder being Stair is not a possibility. II. No Ladder is a Step. In the question below, three statements are given followed by the conclusions. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.Solution
Conclusion I will follow as Stair cannot have a positive relation with anyone. All Ladder are Lift (A) + No Lift is a Step (E) → No Ladder is a Step (E). Hence conclusion II follows.
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