Statements: All pearls are diamonds.
All diamonds are gold
All gold are silvers.
Conclusions: I. All pearls are silvers.
II. No diamond is a gold.
III. Some silvers are diamonds.
All pearls are diamonds (A) + All diamonds are gold (A) ⇒ All pearls are gold (A) + All gold are silvers(A) ⇒ All pearls are silvers(A).. Hence conclusion I follows. All diamonds are gold (A) ⇒ I.I ⇒ Some diamonds are gold (I). Hence conclusion II does not follow. All diamonds are gold (A) + All gold are silvers(A) ⇒ All diamonds are silver(A) ⇒ Conversion ⇒ Some silvers are diamonds. Hence conclusion III follows. Alternate Method:
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