Talk:2614: 2

Explain xkcd: It's 'cause you're dumb.
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In the Java programming language, the this keyword refers to either instance fields in the object itself (as opposed to local or parameter variables), or alternatively can be used to call the parent's constructor. 8^) Mr. I (talk) 12:19, 4 May 2022 (UTC)

To the person who has requested a citation that two is a number... here you go: https://youtu.be/dBVoIUASFS0?t=82. Can someone who knows how to add citations add it? :D --172.70.110.209 23:09, 2 May 2022 (UTC)

The [citation needed] thing is a running joke here thanks to 285: Wikipedian Protester. It's used for obvious statements of fact on this wiki as a joke (basically the opposite of its Wikipedia use). KirbyDude25 (talk) 00:43, 3 May 2022 (UTC)
I'm sorry to inform you that you probably became another victim of Poe's law (or "r/whooosh", as kids say these days). I was just playing the SMBC citation game. --172.70.110.209 02:08, 3 May 2022 (UTC)
And we try to limit the use to only very very funny situations or when there is actually need for a citation, so as to not ruin it by having it on every single explanation!!! ;-) --Kynde (talk) 06:08, 3 May 2022 (UTC)

Hey all, the group theory thing reminds me a lot of cyclic groups or ideals generated by the value 2. Also equivalence classes (which come up in group theory) can be written with [brackets] but may be confused with <cyclic groups> or (ideals).

The 2;2 notation looks like the notation \mu; \nu that is used for covariant derivatives of tensors in physics. Also 2,2 looks like \mu, \nu that is used for partial derivatives of tensors. And as mentioned above, (2) could be a cyclic subgroup or ideal generated by two or a special case of cycle notation for elements of symmetry groups used to mean an element that keeps 2 fixed. 162.158.62.120 23:32, 2 May 2022 (UTC)

I second the point about tensors. Maybe you could expand the summation notation slightly. It's common to use index sets or rules underneath large symbols for all sorts of things, like sums, products, direct sums, direct products, unions, intersections, integrals, and much, much more. So here, the large 2 in parentheses represents one of these symbols. Rather than adding or multiplying the elements or whatever, you are twoing them, whatever that means. You are twoing over all values of 2, apparently. It's sort of reminiscent of jokes with punchlines like "for sufficiently large values of 2." There are of course, different 2s out there. Like, there is the von Neumann ordinal 2, the integer 2, the rational number 2, the real number 2, the complex number 2, the residue class of 2 mod 3, etc. All of these may be represented by 2. Perhaps we are indexing over some collection of canonical representations of 2? 172.70.130.161 00:02, 3 May 2022 (UTC)

Explanation needs something about one of the 2s being cursed. Also, this should be added to the category for cursed stuff (I think it's cursed things, but did not look it up). 172.70.211.72 01:37, 3 May 2022 (UTC)

Superscript or subscripts before a thing can indicate tetration and pentation. 172.68.66.63 03:35, 3 May 2022 (UTC)

Did anyone else think there should have been a 2 after everything else (after the parentheses) with an arrow pointing to it labeled “sequels”?172.70.126.65 06:09, 3 May 2022 (UTC)

Damnit, I do now; yes.
ProphetZarquon (talk) 19:14, 4 May 2022 (UTC)

172.70.86.44 09:49, 3 May 2022 (UTC) This should probably be added to Category:Comics sharing name172.70.178.199 15:41, 3 May 2022 (UTC)

No there are not other comic called 2. The comic with number 2 is not the name of that comic. And the only other number only comics are year numbers like 2016.--Kynde (talk) 18:22, 3 May 2022 (UTC)

There should be a category: comics featuring cursed items 172.70.230.63 (talk) (please sign your comments with ~~~~)

Can you list at least 5. Then I will consider it. --Kynde (talk) 18:22, 3 May 2022 (UTC)
There's 5 here https://www.explainxkcd.com/wiki/index.php/Category:Cursed_Connectors and one here 2332 Kev (talk) 18:34, 3 May 2022 (UTC)
Noting that the infamous Cursed Chair had not been labelled, yet Curse(d?) Words had, I added the former and took no additional liberties in adding all other cursed things that seemed to lie within that scope (some by in-comic or in-titletext reference, I know) that weren't already included through the Cursed Connectors membership. I web-commented each Catsgory-markuped entry (to varying degrees of directness) in case anybody needs a clue as to why it is added. Obviously I accept any community disagreement on some of the more marginal representative 'items' (words, air, and a <4th minus one> thing that is even more conceptual), but that's what a collaborative wiki is for, yes? ;) 172.70.85.177 21:17, 3 May 2022 (UTC)

The comment about combinatorics, in the section about the "cursed" stuff, uses superscript and subscript 2s. But that isn't quite correct; they should be stacked rather than one after the other. It *should* be possible to get the proper display using math mode, which is permitted in the main body of explanation though not in the transcript. I think it *ought* to be something like "<math>{2}\choose{2}</math>", but when I try it, I get an error: "Failed to parse (Missing <code>texvc</code> executable. Please see math/README to configure.)" -- clearly I don't know what I'm doing. Can someone who's more knowledgeable than I am fix that, please? BunsenH (talk) 18:27, 4 May 2022 (UTC)

uhh apparently linking to a category puts it at the bottom - how do I link to a category? GcGYSF(asterisk)P(vertical line)e (talk) 04:13, 4 May 2022 (UTC)

Wait you have to put a : before the name GcGYSF(asterisk)P(vertical line)e (talk) 04:16, 4 May 2022 (UTC)
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