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Statements: No cloud is a stone. No stone is soft. Conclusions: I. No cloud is soft.
II. Some clouds are soft. Which conclusion(s) follow?

Competition practiceSyllogism
  • AEither I or II follows
  • BNeither conclusion follows
  • COnly conclusion II follows
  • DOnly conclusion I follows

Step-by-Step Solution

Two negative statements give no definite conclusion, so neither I nor II is certain alone. But I ('no cloud is soft') and II ('some clouds are soft') are a complementary pair, so one of them must be true: either I or II follows.
Answer: A) Either I or II follows

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