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Statements: No dog is a cat. All cats are pets. Conclusions: I. Some pets are not dogs.
II. No dog is a pet. Which conclusion(s) follow?

Competition practiceSyllogism
  • AOnly conclusion I follows
  • BOnly conclusion II follows
  • CBoth conclusions I and II follow
  • DNeither conclusion I nor II follows

Step-by-Step Solution

Cats are pets and no dog is a cat, so those pets (the cats) are not dogs, giving some pets are not dogs (I follows). A dog could still be a pet, so II does not follow.
Answer: A) Only conclusion I follows

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