True or False.
1. Being both an integer and divisible by 2 without remainder is a necessary condition for being an even number.
2. Being an integer and divisible by 2 without remainder is a necessary condition for being an even number.
3. Driving seventy five miles per hour for fun is a sufficient condition for violating legal speed limit of sixty give miles per hour.
4. Driving seventy five miles per hour for fun is a necessary condition for violating legal speed limit of sixty give miles per hour.
5. Cutting off Joes head is a sufficient condition for killing him.
6. Cutting off Joes head is a necessary condition for killing him.
7. Curtin off joes head and then holding his head under water for 10 minutes is a sufficient condition for killing him.