Question
Statements: All Before are After All
After are Behind Some Before are Opposite Conclusions: I. Some After are Opposite II. Some Behind are Before III. All Opposite are Behind In the question below, there are three statements followed by three conclusions I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the three statements disregarding commonly known facts.Solution
Some Before are Opposite (I) → Conversion → Some Opposite are Before (I) + All Before are After (A) → Some Opposite are After (I) → Conversion → Some After are Opposite (I). Hence conclusion I follows. All Before are After (A) + All After are Behind (A) → All Before are Behind (A) → Conversion → Some Behind are Before (I). Hence conclusion II follows. Some Opposite are After (I) + All After are Behind (A) → Some Opposite are Behind (I). Hence conclusion III does not follow.
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