No Tooth Fairies Are Clumsy Buffoons

question 21

Multiple Choice

No tooth fairies are clumsy buffoons. Therefore, it is false that all tooth fairies are clumsy buffoons.

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

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