No uncooked vegetables are healthy vegetables. Therefore, no unhealthy vegetables are cooked vegetables.
A) Invalid, illicit obversion.
B) Valid.
C) Invalid, illicit conversion.
D) Invalid, illicit contrary.
E) Invalid, illicit contraposition.

Question

Quizplus · Accepted Answer

The argument commits the fallacy of illicit contraposition. It incorrectly infers that if all uncooked vegetables are not healthy, then all unhealthy vegetables must not be cooked, which is a mistaken application of contraposition.

No Uncooked Vegetables Are Healthy Vegetables