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fallacy_fallacy
The fallacy fallacy (also known as the argument from fallacy) occurs when someone concludes that a claim is false merely because an argument supporting it contains a logical fallacy. While identifying fallacious reasoning is valuable, a bad argument for a true claim does not make the claim false — the conclusion may still be correct, just not for the reasons given. The truth value of a proposition is independent of any particular argument for or against it.
"You argued that smoking causes cancer by appealing to authority rather than citing the evidence directly. Since that's a fallacy, smoking must not cause cancer."
During a debate, one speaker points out that the other used an emotional appeal to argue that climate change is dangerous. A commenter concludes: 'She used an appeal to emotion, which is a logical fallacy — so climate change must not actually be dangerous.'
A student notices that his opponent in a debate used a slippery slope argument to defend a minimum wage increase. He tells the class: 'That argument was a slippery slope fallacy, so clearly raising the minimum wage has no merit and we should reject the idea entirely.'
Binary (yes/no) questions an LLM must answer to identify this aspect:
Has a fallacy or logical error been correctly identified in an argument for a particular claim?
Type: binaryDoes the response conclude that the claim itself must be false because the argument for it was fallacious?
Type: binaryIs the truth of the claim being conflated with the validity of one particular argument for it?
Type: binaryThe fallacy fallacy (also known as the argument from fallacy) occurs when someone concludes that a claim is false merely because an argument supporting it contains a logical fallacy. While identifying fallacious reasoning is valuable, a bad argument for a true claim does not make the claim false — the conclusion may still be correct, just not for the reasons given. The truth value of a proposition is independent of any particular argument for or against it.
Detecting a fallacy feels like a decisive intellectual victory. The emotional satisfaction of catching someone in a logical error creates a strong temptation to conclude that the entire position has been refuted, when in fact only one argument for it has been undermined.
Acknowledge the fallacy in the argument while noting that the conclusion may still be true for other reasons. Separate the assessment of the argument's structure from the assessment of the conclusion's truth value.
Extremely common in online debates, where identifying any fallacy in an opponent's reasoning is treated as a complete refutation. Also appears in academic peer review and legal proceedings where procedural errors are conflated with substantive errors.
Attacking the arguer's character, motives, or attributes instead of the argument.
Judging the truth or value of a claim based on its origin or history rather than its current merit or the evidence supporting it.
Introducing an irrelevant topic to divert attention from the original issue. Unlike whataboutism, the diversion need not involve the accuser's behavior; any tangential topic suffices.
Discrediting an argument by pointing out the opponent's inconsistent behavior.
Use these tools to detect, analyze, or train this aspect.