Argument from ignoranceAffirming a disjunct
A or B; A; therefore
not B. To be on the cover of Vogue Magazine, one must be a celebrity or very
beautiful. This month's cover was a celebrity. Therefore, this celebrity is not
if A, then B; B,
therefore A. If Bill Gates owns Fort Knox, then he is rich. Bill Gates is rich.
Therefore, Bill Gates owns Fort Knox.
17 Mar 2023