All treasury notes are secure investments. Therefore, all secure investments are treasury notes.
A) Invalid, illicit obversion.
B) Valid, no fallacy.
C) Invalid, illicit contrary.
D) Invalid, illicit conversion.
E) Invalid, existential fallacy.

Question

Quizplus · Accepted Answer

This is an example of illicit conversion, a logical fallacy where the subject and predicate of a statement are incorrectly reversed, assuming that the reverse of a true statement is also true. The original statement does not imply that all secure investments must be treasury notes, only that all treasury notes are secure investments.

All Treasury Notes Are Secure Investments