Multiple Choice
It is false that some four-sided triangles are commonplace figures. Therefore, some four-sided triangles are not commonplace figures.
A) Valid, no fallacy.
B) Invalid, existential fallacy.
C) Invalid, illicit subcontrary.
D) Invalid, illicit contrary.
E) Invalid, illicit subalternation.
Correct Answer:
Verified
Correct Answer:
Verified
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