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		<id>https://www.explainxkcd.com/wiki/index.php?title=3210:_Eliminating_the_Impossible&amp;diff=406743</id>
		<title>3210: Eliminating the Impossible</title>
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				<updated>2026-02-21T00:31:32Z</updated>
		
		<summary type="html">&lt;p&gt;2A09:BAC3:88C2:166E:0:0:23C:B4: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 3210&lt;br /&gt;
| date      = February 20, 2026&lt;br /&gt;
| title     = Eliminating the Impossible&lt;br /&gt;
| image     = eliminating_the_impossible_2x.png&lt;br /&gt;
| imagesize = 675x349px&lt;br /&gt;
| noexpand  = true&lt;br /&gt;
| titletext = 'If you've eliminated a few possibilities and you can't think of any others, your weird theory is proven right' isn't quite as rhetorically compelling.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete|This page was created by the one thing that actually was in the car. Don't remove this notice too soon.}}&lt;br /&gt;
&lt;br /&gt;
The discussion in this comic plays upon the phrase originating from the fictional Sherlock Holmes (and therefore also his author, Arthur Conan-Doyle) that &amp;quot;[https://www.goodreads.com/quotes/1196-when-you-have-eliminated-all-which-is-impossible-then-whatever When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth,]&amp;quot; which describes Holmes's {{w|abductive reasoning}} used to solve the crimes and mysteries set before him.&lt;br /&gt;
&lt;br /&gt;
[[White Hat]] is expounding this principle, to [[Cueball]], as some key part of logic for some undisclosed purpose. Cueball argues that human error - namely, making a mistake in the 'elimination' process - is also possible, and claims that the logic is faulty on this premise. When White Hat points out that the logic is a guideline for problem-solving, Cueball argues that the possibility of human error when operating on this logic makes the logic unsound.&lt;br /&gt;
&lt;br /&gt;
This, of course, ignores the entire point of the original statement: {{tvtropes|RealityIsUnrealistic|something being ''unlikely'' does not make it ''untrue''}}, and ignoring reality because it is &amp;quot;unlikely&amp;quot; is both absurd and counterproductive to the process of solving a problem.&lt;br /&gt;
&lt;br /&gt;
In the final panel, Cueball demonstrates a practical example of human error causing this issue. When a person is looking for their possessions, their first option is to search the house in which they presently are, while their second option is to search their mode of transportation (especially in the case of possessions that are regularly brought to and from other locations). White Hat agrees that he himself has been in the situation where he has searched the entire house, not found what he is looking for, assumes it is in the car, and then fails to locate it in the car as well. This, too, demonstrates the failing in Cueball's argument against the logic: there are other locations besides &amp;quot;in my house&amp;quot; and &amp;quot;in my car&amp;quot;,{{Citation needed}} and so even in the instance that the searcher ''has'', in fact, searched every location in the house, they have not finished eliminating the impossible. Indeed, many people have searched both their home and their car (thoroughly and repeatedly) and ultimately found the object they were looking for in another building entirely.&lt;br /&gt;
&lt;br /&gt;
In the title text, it goes further in deconstructing how it might result in a logically incorrect {{w|argument from ignorance}}. Although, in fiction, there is a {{tvtropes|TheoryOfNarrativeCausality|Law of Narrative Causality}}, in which things are successfully resolved in the way that the plot requires them to be resolved, stating it quite so clearly would also normally be {{tvtropes|LampshadeHanging|narratively unsatisfyingly}}.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
{{incomplete transcript|Don't remove this notice too soon.}}&lt;br /&gt;
&lt;br /&gt;
[White Hat and Cueball are standing together and talking. White Hat has one hand slightly raised.]&lt;br /&gt;
:White Hat: As Sherlock Holmes said,&lt;br /&gt;
:White Hat: When you have eliminated the impossible, whatever remains, however improbable, must be the truth.&lt;br /&gt;
[Close-up of Cueball's head.]&lt;br /&gt;
:Cueball: What about the possibility that you forgot to eliminate a possibility?&lt;br /&gt;
:Cueball: Or that you eliminated one incorrectly?&lt;br /&gt;
:Cueball: Both of those remain, too.&lt;br /&gt;
[Zoom back out to show both parties. Cueball is holding his arms out.]&lt;br /&gt;
:White Hat: You're being pedantic.&lt;br /&gt;
:White Hat: It's just a general rule for deduction.&lt;br /&gt;
:Cueball: But it's a ''bad rule.''&lt;br /&gt;
[Cueball is now holding up one finger.]&lt;br /&gt;
:Cueball: How often have you thought, &amp;quot;I can't find this thing, and I've searched the whole house. The only place I haven't looked is the car, so it ''must'' be there.&amp;quot;&lt;br /&gt;
:White Hat: ...And then it's never in the car.&lt;br /&gt;
:Cueball: ''It's never in the car!''&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&amp;lt;noinclude&amp;gt;&lt;br /&gt;
[[Category:Pedantic]]&lt;/div&gt;</summary>
		<author><name>2A09:BAC3:88C2:166E:0:0:23C:B4</name></author>	</entry>

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