Argument from Incredulity
Updated 2026-08-01
INTRODUCTION
English translation pending.
CORE DEFINITION
The argument from incredulity concludes that a claim is false, or must have a supernatural cause, because the speaker cannot imagine how it could be true. It is a form of appeal to ignorance: the absence of a personal explanation is treated as an argument against the claim. The key qualifier is that the limit being reported belongs to the speaker's knowledge or imagination, not to any property of the world.
SCAFFOLDING EFFECT
Reduce cognitive load
- Statement check: When you want to say this cannot be true, ask whether you mean that you do not understand it. - Evidence swap: Replace the question of what you can imagine with the question of what the evidence supports. - Gap naming: Record the specific gap in your knowledge and treat it as a study target rather than a verdict.
Anchor fast decisions
The fallacy works by substituting one question for another. Whether a claim is true depends on evidence about the world, while whether it feels plausible depends on the listener's existing models. Because unfamiliar mechanisms feel impossible, the emotional force of incredulity is mistaken for a logical objection, and the argument's persuasive power comes entirely from that substitution.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Argument_from_incredulityverified
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