Some Dark Haired Pixies Are Elves That Play Tricks

question 351

Multiple Choice

Some dark haired pixies are elves that play tricks. Therefore, some elves that do not play tricks are light haired pixies.

• A) Invalid, illicit conversion.
• B) Invalid, illicit contraposition.
• C) Invalid, existential fallacy.
• D) Invalid, illicit subcontrary.
• E) Valid, no fallacy.

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