All charitable contributions are tax-deductible gifts. Therefore, all tax-deductible gifts are charitable contributions.
A) Invalid, illicit contrary.
B) Valid, no fallacy.
C) Invalid, illicit conversion.
D) Invalid, illicit obversion.
E) Invalid, existential fallacy.

Question

Quizplus · Accepted Answer

The argument commits an illicit conversion error by incorrectly assuming that because all members of the first class (charitable contributions) are members of the second class (tax-deductible gifts), all members of the second class must be members of the first class.

All Charitable Contributions Are Tax-Deductible Gifts