It is false that some teacups are flowerpots. Therefore, some teacups are not flowerpots.
A) Valid; no fallacy.
B) Invalid; illicit subcontrary.
C) Invalid; illicit subalternation.
D) Invalid; illicit conversion.
E) Invalid; existential fallacy.

Question

Quizplus · Accepted Answer

The argument is valid because it correctly infers that if it is false that some teacups are flowerpots, then it must be true that some teacups are not flowerpots. This does not commit any of the listed fallacies.

It Is False That Some Teacups Are Flowerpots