If we are solving an enthymeme with a missing conclusion, and one premise is an O proposition, then the conclusion:

Question

Quizplus · Accepted Answer

If one premise is an O proposition (Some S are not P), the missing conclusion can only be an O proposition (otherwise the argument would be invalid). This is because the O proposition allows for the possibility of some S not being P, and the conclusion must also allow for this possibility.

If We Are Solving an Enthymeme with a Missing Conclusion