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Statements: All chairs are tables. Some tables are sofas. Conclusions: I. Some chairs are sofas.
II. No chair is a sofa. Which conclusion(s) follow?

Competition practiceSyllogism
  • AOnly conclusion I follows
  • BOnly conclusion II follows
  • CEither I or II follows
  • DBoth I and II follow

Step-by-Step Solution

Neither conclusion is certain on its own, but I and II form a complementary pair about the same two terms — one of them must be true. So either I or II follows.
Answer: C) Either I or II follows

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