Argumentum Ad Consequentiam

Argumentum Ad Consequentiam - a logical fallacy which concludes a certain premise is either true of false based on the (un)desirability of the outcome.

Forms:

If P, then Q will occur.

Q is desirable.

Therefore, P is true.

If P, then Q will occur.

Q is undesirable.

Therefore, P is false.

- Also known as the appeal to consequence
- This fallacy also falls under the broader "appeal to emotion"