The logical fallacy tries to convince the audience by citing an expert who may not be much of a true expert is a formal fallacy.
Logical fallacies are statement that are not true.
They are based on false arguments or evidence and they can be proved wrongly with facts.
A formal fallacy usually may not have a solid evidence
Therefore, the logical fallacy tries to convince the audience by citing an expert who may not be much of a true expert is formal fallacy
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