Is the italicized phrase a necessary condition or asufficient condition, or both?
1. To bring down a fever, apply a cloth dampened in coldwater to the patient’s face, arms, and legs.
2. You cannot get an A average unless you work hardthroughout the whole term.
3. To be admitted as a graduate student, applicants musthave a four-year honors degree with a 75-per-cent average on allcourses taken in their last two years.
4. In Canada only Canadian citizens can be electedprime minister.
5. You have to have good physical coordination to be agood skier.
6. The results of a departmental vote are valid if, and only if,at least 25 per cent of members are present at the meeting inwhich the vote took place.
7. Essays will be returned to the student without being graded,if they are submitted without a proper bibliography.
