Appeal to fear

An appeal to fear (also called argumentum ad metum or argumentum in terrorem) is a fallacy in which a person attempts to create support for an idea by using deception and propaganda in attempts to increase fear and prejudice toward a competitor. The appeal to fear is common in marketing and politics.

Logic

This fallacy has the following argument form:

The argument is invalid. The appeal to emotion is used in exploiting existing fears to create support for the speaker's proposal, namely P. Also, often the false dilemma fallacy is involved, suggesting Q is the proposed idea's sole alternative.

Examples