Machine-translated by Google. Questions are authored in English.
Top

Discussion

Statements: No door is dog. All the dogs are cats.

Conclusions:

1. No door is cat.

2. No cat is door.

3. Some cats are dogs.

4. All the cats are dogs.

  • A.Only (2) and (4)
  • B.Only (1) and (3)
  • C.Only (3) and (4)
  • D.Only (3)

Answer: D

Correct answer: Only (3)

All dogs are cats gives its converse, some cats are dogs - conclusion 3. Conclusions 1 and 2 shut doors out of cats altogether, which does not follow: doors are excluded only from dogs. Conclusion 4 reverses a universal.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.