Argumentum ad Ignorantiam (Latin)
Refers to a
fallacy of
logic in argument, specifically one of the
Fallacies of Relevance. The debater using ad Ignorantiam uses an argument from
ignorance.
Example:
"I've never heard of anyone flying one of these
airplanes, so they don't exist!"
Compare
ad hominem,
argumentum ad baculum,
argumentum ad misericordiam,
argumentum ad populum,
argumentum ad verecundiam.