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It Is False That Some Serial Killers Are Not Deranged

Question 224

Multiple Choice

It is false that some serial killers are not deranged psychopaths. Therefore, all serial killers are deranged psychopaths.

A) Invalid, existential fallacy.
B) Invalid, illicit contrary.
C) Valid.
D) Invalid, illicit contradictory.
E) Invalid, illicit subalternation.

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