Multiple Choice
It is false that no high schools are institutions plagued by drunkenness. Therefore, it is false that some high schools are not institutions plagued by drunkenness.
A) Invalid, illicit subalternation.
B) Invalid, illicit subcontrary.
C) Invalid, illicit contrary.
D) Invalid, illicit conversion.
E) Valid.
Correct Answer:
Verified
Correct Answer:
Verified
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