Nobody has ever proved there is intelligent life outside our solar system. Therefore, these efforts to communicate with extraterrestrials are ridiculous.
A) Appeal to unqualified authority.
B) Suppressed evidence.
C) Appeal to ignorance.
D) Hasty generalization.
E) No fallacy.

Question

Quizplus · Accepted Answer

The argument is using the appeal to ignorance fallacy by assuming that something must be false if it has not been proven true. Just because we have not yet found proof of intelligent life outside our solar system does not mean it does not exist, making the conclusion that efforts to communicate with extraterrestrials are ridiculous unfounded.

Nobody Has Ever Proved There Is Intelligent Life Outside Our