Conditions and Possibility Practice Discussion

Try to solve some of these problems and to explain why each statement is true or false. Please post a few of your answers in this thread, and in your own words, tell us how you figured out your answer. If you can clearly and explain how you made this determination, it’s a good sign that you fully grasp these concepts and how to apply them. Then, please look at answers that your classmates have shared and comment about those. Hopefully, by discussing answers together, you will all determine the right answers to all of the problems.
Also, if you have a question about any of these or think you know the answer but are not sure, please ask it here! If you wonder about something, the odds are high that someone else could also use a bit of extra help.
1. X being a seahawk is a sufficient condition for X being a bird.
2. X being a seahawk is a necessary condition for X being a bird.
3. Being a player for the Miami Dolphins is a necessary condition for being an NFL player.
4. X being logically possible is a necessary condition for X being physically possible.
5. X being logically possible is a sufficient condition for X being physically possible.
6. X being physically possible is a necessary condition for X being logically possible.
7. X being physically possible is a sufficient condition for X being logically possible.
8. It is logically possible for humans to be immortal.
9. It is physically possible for humans to be immortal.
10. It is logically possible for a bachelor to be married.

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