# Name for a fallacy, if it has a name
**URL:** https://boards.straightdope.com/t/name-for-a-fallacy-if-it-has-a-name/974096
**Category:** Factual Questions
**Created:** [October 31, 2022, 9:28pm UTC](https://boards.straightdope.com/t/name-for-a-fallacy-if-it-has-a-name/974096 "2022-10-31T21:28:19Z")
**Posts on this page:** 6
**Page:** 1
### Author:  [@whc.03grady](https://boards.straightdope.com/u/whc.03grady)
#### Post date: [October 31, 2022, 9:28pm UTC](https://boards.straightdope.com/t/name-for-a-fallacy-if-it-has-a-name/974096/1 "2022-10-31T21:28:19Z")
X is very difficult to understand; indeed, _I_ can’t understand it.
Therefore, no one understands X.
Sometimes there are more leaps, _e.g._
I don’t understand X.
Therefore, no one understands X.
Therefore, anyone who claims to understand X is lying and probably in on the conspiracy to mislead us into believing X.
Does this fallacy have a specific name? I know that its related to the Hasty Generalization and (maybe) Argument from Ignorance, but it’s not exactly either of those.
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### Author:  [@Velocity](https://boards.straightdope.com/u/Velocity)
#### Post date: [October 31, 2022, 9:42pm UTC](https://boards.straightdope.com/t/name-for-a-fallacy-if-it-has-a-name/974096/2 "2022-10-31T21:42:17Z")
Maybe this?
> **[Argument from incredulity](https://en.wikipedia.org/wiki/Argument_from_incredulity)**
>
> Argument from incredulity, also known as argument from personal incredulity, appeal to common sense, or the divine fallacy, is a fallacy in informal logic. It asserts that a proposition must be false because it contradicts one's personal expectations or beliefs, or is difficult to imagine.
> Arguments from incredulity can take the form:
> Arguments from incredulity can sometimes arise from inappropriate emotional involvement, the conflation of fantasy and reality, a lack of understanding, or an i...
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### Author:  [@whc.03grady](https://boards.straightdope.com/u/whc.03grady)
#### Post date: [October 31, 2022, 9:50pm UTC](https://boards.straightdope.com/t/name-for-a-fallacy-if-it-has-a-name/974096/3 "2022-10-31T21:50:12Z")
Yes, thank you.
I couldn’t remember it and found it difficult to google.
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### Author:  [@gkster](https://boards.straightdope.com/u/gkster)
#### Post date: [November 3, 2022, 12:50am UTC](https://boards.straightdope.com/t/name-for-a-fallacy-if-it-has-a-name/974096/4 "2022-11-03T00:50:39Z")
It looks like it could be the fallacy of the undistributed middle?
[Fallacy of the undistributed middle - Wikipedia](https://en.wikipedia.org/wiki/Fallacy_of_the_undistributed_middle)
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### Author:  [@Hari\_Seldon](https://boards.straightdope.com/u/Hari_Seldon)
#### Post date: [November 4, 2022, 12:52am UTC](https://boards.straightdope.com/t/name-for-a-fallacy-if-it-has-a-name/974096/5 "2022-11-04T00:52:43Z")
It is not always a fallacy. Richard Feynman said (in many places including in a lecture I heard) that he didn’t understand quantum mechanics and if he didn’t, no one did.
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### Author:  [@whc.03grady](https://boards.straightdope.com/u/whc.03grady)
#### Post date: [November 4, 2022, 4:49am UTC](https://boards.straightdope.com/t/name-for-a-fallacy-if-it-has-a-name/974096/6 "2022-11-04T04:49:52Z")
True, it’s an informal fallacy.