Question
Read the given statements and conclusions carefully.
Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statement: All AS are LK. All LK are NM. Some AS are RT. Conclusions: I. Some LK are RT. II. Some NM are not AS. III. All NM are RT.Solution
Some AS are RT (I) → Conversion → Some RT are AS (I) + All AS are LK (A) → Some RT are LK (I) → Conversion → Some LK are RT (I). Hence conclusion I follows. All AS are LK (A) + All LK are NM (A) → All AS are NM (A). Hence conclusion II does not follow. All AS are NM (A) → Conversion → Some NM are AS (I) + Some AS are RT (I) → No conclusion. Hence conclusion III does not follow.
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