Daily Drills 4 - Section 4 - Question 3

Identify what you can properly conclude from the given premises:P: not Y → not XP: X existsC: ?

AndrewArabie August 13, 2022

No Valid Conclusion

I understand that we are using the contrapositive to get the answer. But why is it wrong to say the existence of the necessary condition (X) does not guarantee the existence of the sufficient (Y)?

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