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Informal fallacy Commonly Used Fallacy

Fallacy Fallacy

Assumes a claim must be false merely because the argument for it was weak or fallacious.

Definition

Assumes a claim must be false merely because the argument for it was weak or fallacious.

Example
That activist used a bad argument once, so the cause itself must be wrong.
Extended explanation

How to think about it:

Assumes a claim must be false merely because the argument for it was weak or fallacious. In practice, the key question is whether the conclusion is supported by evidence and logic, or whether it depends on this reasoning shortcut instead.

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