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Basic structure of an argument from incredulity

Premise 1: I can’t explain or imagine how proposition X can be true.

Premise 2: if a certain proposition is true, then I must be able to explain or imagine how that can be.

Conclusions: proposition X is false.

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... and to bring this up as part of an argument. The issue with doing so occurs when this incredulity isn’t justified or supported by concrete information, and when this lack of belief is used in order to assume that a preferred personal explanation must be the right one, despite the lack of proof.

At the same time, it’s also important to remember that it’s possible that the person using the argument from incredulity is right, despite the fact that their reasoning is flawed.

  1. Explain why this sort of reasoning is fallacious: namely the fact that your opponent’s inability to explain a certain phenomenon or to understand a certain theory, does not invalidate current explanations for it.
  2. Shift the burden of proof back to your opponent: ask them to support their initial assertion, and explain why they are incredulous, and why they think that this validates their position.
  3. If possible, you should show that there is scientific evidence that can be used in order to explain the phenomenon that’s being discussed. 

Is a logical fallacy where someone concludes that since they can’t believe that a certain concept is true, then it must be false and vice versa.

Its 2 basic forms:

I can’t imagine how X can be true; therefore, X must be false.”

I can’t imagine how X can be false; therefore, X must be true.”

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Cherry picking

It is a logical fallacy and it happens when we choose and focus only on evidence that supports our views and arguments while ignoring anything that may contradict us.

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IDEAS

This fallacy involves arguing against a position because you think the ideas would start a chain reaction of bad things, even though you don't have evidence to support your claim.

Common phrase: "If we do that, then what's next?"

It happens when there are two or more opposing positions on a certain topic, and you assume that the truth must rest somewhere in the middle. False balance can be a result of a false equivalence when two sides are presented as being equal, and the terms are used interchangeably, even though they are not.

For instance, in a group interview, equal weight is given to the opinions of two opposing interviewees, one of whom is an established expert, and the other a false authority with no valid credentials.