5. What is the correct categorical form of the sentence ``It is false that all the good books are in the library ? A. Some good books are not in the library. B. None of the good books are in the library. C. Some good books are outside the library. D. All of the good books are in the library.
6. What is the correct categorical form of the sentence ``All persons who will not take the exam are not students ? A. All students are persons who will take the exam.
B. No students are persons who will take the exam. C. Some student is a person who will not take the exam. D. None of the above.
7. What is the correct categorical form of the sentence ``Not all bats are scary ? A. Some bats are not scary. B. All bats are not scary. C. Some bats are scary. D. None of the above.
8. What is the correct categorical form of the sentence ``If anything is an evil person, then it is not a good companion ? A. All good companions are not evil persons. B. If one is evil, one fails to be a good companion. C. To be a good companion one must not be evil. D. No evil person is a good companion.