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History of combinatorics

I noticed you like Combinatorics. I feel recent changes to History of combinatorics are pretty ridiculous. I thought you might consider working on that article. Thanks, Mhym (talk) 06:45, 6 March 2018 (UTC)

Hi Mhym, you mean this edit from a couple days ago? I will try to find time to look it over. All the best, JBL (talk) 12:01, 6 March 2018 (UTC)

Yes. See e.g. the last sentence. I seriously doubt that Stanley's impact is in Matroid Theory "and more". Mhym (talk) 21:18, 6 March 2018 (UTC)

Ok, thanks. Spring break is just starting, I will sit down and take a good hard look. (The diff is too complicated to read at a glance, which is my usual editing approach.) --JBL (talk) 16:07, 9 March 2018 (UTC)

@Mhym: oh it's really oddly focused on poset theory, isn't it? (Like, I'm happy to see Rota and Stanley get mentnioned, but no graph theory or Erdos? No connections to algebra or other fields? Very odd.) Well, I've started with the ancient stuff, but I'll definitely get to the contemporary section eventually and try to do something more comprehensive with that. --JBL (talk) 19:57, 10 March 2018 (UTC)

February 2019

This discussion has been closed. Please do not modify it.
The following discussion has been closed. Please do not modify it.
Your recent editing history at Euler's identity shows that you are currently engaged in an edit war; that means that you are repeatedly changing content back to how you think it should be, when you have seen that other editors disagree. To resolve the content dispute, please do not revert or change the edits of others when you are reverted. Instead of reverting, please use the talk page to work toward making a version that represents consensus among editors. The best practice at this stage is to discuss, not edit-war. See BRD for how this is done. If discussions reach an impasse, you can then post a request for help at a relevant noticeboard or seek dispute resolution. In some cases, you may wish to request temporary page protection. Being involved in an edit war can result in you being blocked from editing—especially if you violate the three-revert rule, which states that an editor must not perform more than three reverts on a single page within a 24-hour period. Undoing another editor's work—whether in whole or in part, whether involving the same or different material each time—counts as a revert. Also keep in mind that while violating the three-revert rule often leads to a block, you can still be blocked for edit warring—even if you don't violate the three-revert rule—should your behavior indicate that you intend to continue reverting repeatedly. General Ization 20:22, 1 February 2019 (UTC) Also, and separately, I happen to agree with the IP. "perhaps a supreme example" is a judgment that should not be expressed in the encyclopedic voice, because it can neither be proven nor disproved (hence is unverifiable). See WP:V and WP:NPOV. Don't reinstate it. The IP will also be warned about WP:3RR. General Ization 20:23, 1 February 2019 (UTC)

Note to future self: this charming pair of messages was related to the usual WP:LTA nonsense about the superlative on Euler's identity. Maybe one day some non-banned user will begin a discussion on the talk page about it, but apparently today is not that day. --JBL (talk) 20:54, 1 February 2019 (UTC)

Later addendum: --JBL (talk) 19:03, 14 August 2019 (UTC)

Question about revert on Abby Johnson (activist)

You recently reverted my addition to Abby Johnson (activist) with the message "zero reliable sources in this addition". Could you please clarify your reasoning for that so that I can do better? I added two sentences: the first stated that the case was ongoing (used two primary sources and one news source) and the second stated that it had been settled (used one primary source). My intended use for these sources was to cite that the case existed, and I'm confused as to how these are not reliable. Could you please clarify what you consider to be "reliable sources" so that I can properly add this information to the article? -Thunderforge (talk) 03:19, 26 April 2019 (UTC)

Since this is about a single article, the right place to discuss it is on the article talk page -- do you mind if I move it there to respond? --JBL (talk) 12:03, 26 April 2019 (UTC)

Sure, that would be fine. -Thunderforge (talk) 22:44, 29 April 2019 (UTC)

Revert at Irreducible polynomial

The edit summary of your revert was "I do not understand why the more-complicated-to-edit-and-understand inclusion of a template would be better than the easy-to-edit-and-understand inclusion of a single space". The reason is the following: I did know that a sequence of consecutive spaces is rendered as a single space, but I did not understand that this applies to "{{math|xxx     }}    yyy", which is rendered exactly as "{{math|xxx}} yyy", that is as "xxx yyy". Thanks for this information. D.Lazard (talk) 21:51, 7 May 2019 (UTC)

@D.Lazard: Thanks, that explains it! (I did not realize it either, but I experimented a bit before committing my edit to make sure I wasn't making anything look terrible :).) All the best, JBL (talk) 14:53, 8 May 2019 (UTC)

Precious anniversary

Precious

Two years!

--Gerda Arendt (talk) 06:54, 9 May 2019 (UTC)

Thank you, Gerda! --JBL (talk) 11:43, 9 May 2019 (UTC)

Use of collapse

A goat for you!

Hello Joel B ! What that you say "This doesn't seem to be a real thing." Have you plotted it yet? or you just want a research paper link?

Vistics (talk) 12:56, 19 May 2019 (UTC)

@Vistics: Thanks for the goat. your edit (that I reverted) had several features:

1. an approximation to the factorial;
2. a name for this approximation, with an internal link; and
3. a sentence making some statement about the validity of the approximation.

Here are some comments about each of these:

1. Since the symbol "≈" has no concrete meaning, it is not always clear what it means to say an approximation is "correct". But certainly it is true that for large n, the approximation you give is close (in some sense) to the factorial.
2. I searched for the name "Vatcharit's approximation" -- as far as I can tell, it is not used anywhere else. This is what I meant by "doesn't seem to be a thing." The internal link was a redlink, i.e., there is no Misplaced Pages article with that title, so that was not helpful in finding anything.
3. The final sentence was grammatically muddled to the point of incomprehensibility.

Finally, one thing your edit did not include was any kind of source for the approximation, or for the name. Misplaced Pages is not a suitable venue for publishing original research (you can read our policy about it here), so in order to include this, you would some published source that supports the validity and name of the approximation. (You can see our guidelines for what kinds of sources are valid here.)

I hope this is helpful, JBL (talk) 18:15, 19 May 2019 (UTC)

@JBL: OK! Thxz. JBL sound is good.

Harmonic number

Regarding your edit comment "I don't think it is true" – if you have the time and could come up with a counterexample that disproves my language, that would be great! From my perspective, I made the change without adding a citation because I thought it was obviously true. I guess that means my task is to persuade you that it is obvious or to dig up a citation. 165.225.38.131 (talk) 16:22, 31 May 2019 (UTC)

Hi 165.225.38.131,

As I understand it, you assert that the third bullet point ${\displaystyle \lim _{m\rightarrow \infty }\left=0}$ implies ${\displaystyle H_{0}=0}$; is that correct? If so, I do not see how the one thing implies the other. In particular, it seems to me that for any function H that satisfies the second and third bullet points, the function ${\displaystyle J(x):=17+H(x)}$ does as well. If I have misunderstood you, I invite you to clarify.

All the best, JBL (talk) 16:29, 31 May 2019 (UTC)

Thank you for your quick response. In my edit I had changed the third bullet to

lim_m→+∞ (H_m+x − ∑ m
k=1 ⁠1/k⁠) = 0 for all complex values x

Thus, the trick of adding 17 no longer applies. Thanks! 165.225.38.131 (talk) 16:37, 31 May 2019 (UTC)

Ok, I get it. I am just running out to lunch now, I will write a proper response some time this evening. --JBL (talk) 16:56, 31 May 2019 (UTC)

Here is my analysis of the situation:

I agree that your version is equivalent to the previous version; in particular, that it is correct. (Thank you for pointing out my error.) Your version comes without a citation, but that is also true of the original version, so that's a wash. The advantage of your version over the original version is that there is one fewer condition. There are at least two disadvantages of your version over the original version: the variable m in the limit must be restricted to integers in your version, which is artificial; and the statement with the "usual" harmonic numbers is considerably less natural-seeming than the version that makes reference only to the function H.

Overall, I probably prefer the original version to yours on aesthetic grounds, but don't feel strongly about it. What really would be good is (1) a proper reference and (2) trimming the OR enthusiasm on display down to something more reasonable. Your change doesn't help with this, but it doesn't hurt, either. Anyhow, I leave it to you to decide what to do next.

Also, if you agree, I'd like to copy this over to the article talk page, since that's where other editors of that article might be expected to find it. All the best, JBL (talk) 02:00, 1 June 2019 (UTC)

Yes, please feel free to copy or move this discussion. Yes, I agree that some citations would make this much better. Mathematically, I find it nice when the necessary assumptions are as week as possible, and lim_m→+∞ (H_m+x − ∑ m
k=1 ⁠1/k⁠) = 0 is weaker than lim_m→+∞ (H_m+x − H_m) = 0. On the other hand, once the harmonic number function is extended then it turns out that the latter is true. That is, the latter is a stronger result. At some point I may take a stab at achieving the high points and avoiding the low points. 165.225.38.131 (talk) 18:07, 3 June 2019 (UTC)

Thanks, I have done so. All the best, JBL (talk) 18:44, 3 June 2019 (UTC)

Busy Beaver game

Hi, you undid the IP edit of 11 June on Busy Beaver game. Imo, it was not a bad edit. While I consider its changes to the lead as neutral (neiter improvement nor disimprovement), removing overly used boldface in the body appears an improvement to me. - How can you be sure that the IP is subject to WP:BMB? Best regards - Jochen Burghardt (talk) 15:31, 11 June 2019 (UTC)

Ok, I just saw that this very IP is already blocked; this answers my above question. - Jochen Burghardt (talk) 15:33, 11 June 2019 (UTC)

However, reading through the contributions of the IP (Special:Contributions/51.7.23.7), I wonder why it has been blocked (by Favonian) in the first place. I'd consider the IP's all edits as between good and neutral, most of them removing (close-to-)unencyclopedic phrases. For example, at Jeffrey Beall, the IP's edits give more focus on the person himself, rather than the world's reception of him. - Jochen Burghardt (talk) 15:54, 11 June 2019 (UTC)

1. or whoever may be meant by phrases like "is known", which, in their turn, might deserve the {{by whom}} tag

Hi Jochen Burghardt, thanks for your message. This editor (WP:LTA/BKFIP) has an extremely distinctive style -- with a bit of experience, it's easy to pick up on after only one or two edits. And it is indeed true that many of their edits can be classified as mild improvements. (Not all: they are not thoughtful in their approach and it leads to clear disimprovements like this or the ones discussed here.) Their flaws as an editor (and the reason they are banned) have more to do with an extreme unwillingness to engage constructively with other editors, and frequent edit-warring and personal attacks when challenged. If you think there is a legitimate edit that can be made to some article they have edited, you should go ahead and make it (perhaps not just by reverting). --JBL (talk) 16:49, 11 June 2019 (UTC)

Ok, I see. The P vs. NP discussion is really annoying. - Jochen Burghardt (talk) 09:23, 12 June 2019 (UTC)

What the hell is going on

I've added an entirely new formula for HN, and your envious ego couldn't let it stick, could it? Now, seeing your talk page, I see you're quite the troublemaker. I'm still new to this, so I don't know how to engage or discuss this with you directly, but I'm willing to give in, if you tell me what my options are. I know some math people like you are nasty, but am willing to listen. Please let me know how to go about it. I already know. Unlike you, who've never created anything worthy, I have, I learn fast lol.

Jrsousa2 (talk) 18:10, 11 June 2019 (UTC)Jrsousa2

Hi @Jrsousa2:,

Thanks for your message. Misplaced Pages is edited by consensus, which means that neither of us is the final arbiter of anything. Per the guideline WP:BRD, the correct thing to do when trying to build consensus for a change is to begin a discussion on the article talk page; in this case, that's here. I've already briefly explained my objection to your edit, namely, that Misplaced Pages is not a venue for publishing or promoting new results, but perhaps you will find other editors are more convinced than I am. (Probably, you will have more luck if you adopt a less aggressive approach.) But, as I said, the right venue is the article's talk-page.

--JBL (talk) 19:41, 11 June 2019 (UTC)

All right, I was a total noob and didn't know much about the process on how things are done, now I know. I'm a bit tired of it, so I will not proceed with this further at this point, maybe in the future. That said, I wish wikipedia had a more efficient way for people to get together and decide, consensually. It never occurred to me, but after this experience, I imagine the nightmare it must've been for each one of these millionsof pages to have been created with so many hands involved, and so many heads talking. Now I'm thinking each one of these pages is probably not the best that they could be, if editing them didn't take too much fighting and friction, if the process were more streamlined. It's no wonder 2% of the users are responsible for 66% of the pages, if each new user is given a hard time when they try to contribute. I wash my hands for now, perhaps in the future, I will try and talk with the previous users, to propose changes.

Jrsousa2 (talk) 01:09, 12 June 2019 (UTC)Jrsousa2

Thanks for your message. Editing Misplaced Pages is definitely opaque and takes getting used to. If you do decide to try again later, I definitely recommend using the talk page to discuss changes, particularly when the edits in question concern your own research. All the best, JBL (talk) 14:06, 12 June 2019 (UTC)

Recent news in the Oberlin College article

In cases like this, I find it's often necessary to back away to let editors work on the issue for a month or two. Then I can come back to see how much material is in the article and make suitable adjustments. That's usually after editors who are only interested in ensuring that we have covered this breaking news have moved on so those of us invested in the entire encyclopedia article can work on the article without stepping on their toes. It also gives us the benefit of allowing the news to break and further develop so we have a better sense of what is noteworthy in the long term and what was just flash-in-the-pan. ElKevbo (talk) 17:11, 17 June 2019 (UTC)

Hi ElKevbo, thanks for your message, and for the very sensible suggestion. I will stick a note in my calendar to revisit it in a few weeks. --JBL (talk) 17:57, 17 June 2019 (UTC)

Ron Paul comments cited in United States Electoral College article

This edit caught my eye. I'm not a WP RS maven and have not refreshed my understanding about that prior to this question re your edit, however I'm wondering what your concern is. Are you concerned that this is not a reliable source for an assertion that the comment there attributed to Ron Paul actually came from him? If not, are you concerned that the comment from Ron Paul there is not sufficient to support an assertion in the article that "Proponents of the Electoral College claim that it prevents a candidate from winning the presidency by " (which does seem a bit thin to me), or is it something else? Wtmitchell (talk) (earlier Boracay Bill) 16:15, 15 July 2019 (UTC)

Hi Wtmitchell,

Thanks for your message. No claim to expertise or maven-ness here, either. I have no problem with the referenced article being used to support a statement like, "Ron Paul has argued ..." or "Ron Paul believes ..." or whatever. (Though such a statement isn't appropriate in that section.) But the referenced sentence asserts something broadly about proponents of the electoral college. To support a statement like that, one would expect a secondary source that reports on the views of proponents of the electoral college broadly, not a piece from a single proponent, and particularly not from a proponent who is notable for having views outside the mainstream. In retrospect, it might have been better to remove the Ron Paul article entirely and leave a citation needed tag in its place. --JBL (talk) 17:19, 15 July 2019 (UTC)

Harmonic series

Dear Joel B.Lewis, I'm sorry that I restored again the edit of mine you recently reverted: the reason is that I think it is not so bad after all, and may have its little place. But please let's talk constructively. I have no strong feelings about it, and in case I could even delete it. Cheers!, pma 13:12, 25 July 2019 (UTC)

Dear PMajer,

Thank you for responding, and for beginning a discussion on the article talk-page. I will add my thoughts there later.

All the best,

JBL (talk) 13:04, 26 July 2019 (UTC)

Abortion pro-life pro-choice

Hi Joel, Can please restore my changes at Abortion in Canada and Abortion-rights_movements. The politically correct terms pro-life and pro-choice do not adhere to the wikipedia standards. Their meaning is due to change after some decades (within 100 years). See the decision reached at Terminology and their talk page. I am aware of what you said about political English <smile> Thanks for your work here. --Ferdilouw (talk) 13:08, 27 July 2019 (UTC)

Hi Ferdilouw, I will not restore your edits, because part of what you did was to replace a somewhat dodgy term ("pro-choice") with a completely unacceptable term ("pro-abortion"). If you instead replace somewhat dodgy terms with neutral terms, I will have no objection. (With "pro-life" this is a completely straightforward issue of substituting one adjective for another; with "pro-choice" it is a bit more awkward because of the various grammatical forms of "support for abortion rights" and its variants.) --JBL (talk) 13:28, 27 July 2019 (UTC)

No, Joel_B._Lewis, please read again the decision reached at Terminology and their talk page. I did initially, like you, preferred the terms pro-choice and pro-life, but then was convinced that it won't work in the broader picture. It has already come to my attention that many pro-life organizations includes a fight against euthanasia in their agendas. Also most pro-choice organizations includes a lot of emphasis on feminism and women's rights not related to abortion only. So these terms are now politically popular with those who has abortion high on their agendas, but it is changing what they mean. In wikipedia we need to get the facts straight and communicate in non-confusing ways. Thanks. Ferdilouw (talk) 09:22, 12 August 2019 (UTC)

The picture becomes more muddy as time goes on. NARAL is planning to embrace the term "reproductive freedom" since "pro-choice" lost its appeal. A cycle that seems it can continue for ever to replace aging terms as they get negative connections. On the other hand, many pro-life organizations are going wider than just anti-abortion by also fighting against people being killed by euthanasia and death-penalty. So "pro-life" and "anti-abortion" are not always synonyms. Language is never perfect! :-( Ferdilouw (talk) 03:33, 16 August 2019 (UTC)

I am completely uninterested in having a broader discussion about this, sorry. You made two bad edits earlier that I reverted; more recently, you made two similar edits that were not bad, and I did not revert them. Presumably you won't repeat the bad ones. I am satisfied with this situation. --JBL (talk) 11:06, 16 August 2019 (UTC)

Oops...

... I had overlooked the typo with my revert. <Blush>. - DVdm (talk) 11:50, 29 July 2019 (UTC)

@DVdm: Haha, no worries -- it was quite subtle! All the best, JBL (talk) 14:02, 29 July 2019 (UTC)

Improve understanding

Hi Joel, thanks for being willing to talk to me.

1. Just btw: Is this the proper way I'm using to start a conversation in WP?
2. I would like to understand what is the argument about quoting a person (in general and in this case and why you have removed it)
3. Why does it seem to me as if a newspaper's second hand quote of a person/party/institution/company is more reliable than a first hand quote from the original source? I've seen the following been criticized as not a reliable source: "XYZ said bla bla bla" \< ref XYZ's own official site \>

Thanks for your wisdom Ferdilouw (talk) 22:42, 22 August 2019 (UTC)

Hi Ferdilouw,

This is definitely an appropriate way to start a conversation. However, since the discussion pertains to a particular pair of edits on a particular article, I want to suggest that a better venue would be the article talk-page (rather than my personal talk-page). Would you mind if I copy your comment over there to respond?

Best, JBL (talk) 13:13, 23 August 2019 (UTC)

(Note to future self: this concerns . --JBL (talk) 14:40, 23 August 2019 (UTC))

Please do. Ferdilouw (talk) 02:11, 26 August 2019 (UTC)

Thanks; done and responded there. --JBL (talk) 12:09, 26 August 2019 (UTC)

Cool verbal communication

Hello.
You mined a half of my phrase which was stupid, devised a subtle trap (which I barely evaded), but anyway pushed me onto defensive. Indeed, I found the word “genus”, but (initially) ignored the context of infinite fundamental groups of surfaces (whose genus is discussed). Are such games your preferred alternative to my usual “anal” style? Incnis Mrsi (talk) 17:51, 27 August 2019 (UTC)

You made an assertion that something existed in an article; I glanced over the article but didn't see the thing you mentioned; therefore I requested a more precise pointer. As it turns out, you were in error; this is a thing that happens to everyone sometimes, apparently even to you. Why this mundane sequence of events has resulted in the bizarre, hostile message above is a mystery. --JBL (talk) 18:44, 27 August 2019 (UTC)

A cup of tea for you!

Thanks for your support in my recent, albeit unsuccessful, RfA. Hawkeye7 (discuss) 19:34, 27 August 2019 (UTC)

@Hawkeye7: Hey, you're very welcome -- sorry it didn't turn out the other way. All the best, JBL (talk) 20:25, 27 August 2019 (UTC)

r.e. recent edit on Cayley's formula article

Sorry to clog up your talk page with this; I would have redone my edit and notified you with the 'Reply to' template, but since my edit doesn't add any new lines of text, and only edits existing ones, that wouldn't have worked. I'm not fussed at all about my edit, but the reason for it was primarily to add the positive integer tag, and while I was at it I thought I might as well make the math typesetting consistent throughout the entire article since it was almost all in italics (plus I think italics are preferred for inline equations anyway). Let me know if you want me to add the positive integer tag back in and leave everything else alone, or to redo my edit. Joel Brennan (talk) 14:35, 28 August 2019 (UTC)

Hi Joel Brennan, thanks for your response. I seem to have focused on the formatting change and missed the added wikilink -- I will restore it as soon as I finish this message. The situation w.r.t. math formatting here is messy at best; I think the opening paragraph of the section MOS:FORMULA is a good summary. If you are going to write formulas in not-LaTeX, please use the minus sign − instead of the hyphen - for subtraction. (For me, it appears in the menu immediately below the editing window and above the edit summary, along with some other handy symbols.) All the best, JBL (talk) 17:10, 29 August 2019 (UTC)

P.S. Always nice to see another mathy Joel around. --JBL (talk) 17:10, 29 August 2019 (UTC)

Request to add information on the U.S. Electoral College page

Dear Joel,

I am not coming at this from a partisan perspective, as I do minor political work for voting groups and registration efforts in my area of rural Pennsylvania. My objective was to simply specify data and let users decide for themselves as to what makes the most sense given the data I provided. In my view, that is the very nature of an encyclopedia. Hence why they change and new additons are released. I realize that it was placed under the wrong section of the page, but I feel very strongly about the accuracy of these historical elections since my family has taken part in most of them, and in many cases have actively campaigned and supported candidates for both major parties.

That being said, I would like to request your permission to either add this controversy to either the History section or an entirely new area towards the bottom of the page. I would normally not request this but am doing so in this case because the edit took me several hours to collect, document, and format the data into Wiki.

Thank you and I apologize if this is an inconvenience.

-Ian ElectionWiz1936 (talk) 00:18, 30 August 2019 (UTC)

Hi ElectionWiz1936 (Ian),

Thanks for your message, and welcome to Misplaced Pages. Some practical (but not substantive) responses to things you said:

• The addition you made is not lost because it is still available in the article history, which you can access by clicking the "View History" tab above the article (maybe it is in a different place on mobile, different browsers, etc.). Here is a direct link to your edits:
• I am a volunteer editor on Misplaced Pages, just like everyone else: you do not need my permission to edit, and I don't have any special power to grant you any rights.
• Instead, the thing to do is to begin a discussion on the article talk page Talk:Electoral college (rather than my individual talk page), laying out what you're hoping to accomplish. Other editors then will have the opportunity to weigh in, in order to form a consensus (which is the guiding principle of editing here).

I hope this helps, and I look forward to continuing the conversation at Talk:Electoral college.

All the best,

JBL (talk) 11:34, 30 August 2019 (UTC)

Wording at Sierpinski number

Hi! I have seen your edit at Sierpinski number described as in connection to clarity/intelligibility. What exactly is unclear in my wording to see how to rephrase? Thanks!--109.166.129.57 (talk) 19:02, 10 September 2019 (UTC)

Hi 109.166.129.57,

Thanks for the message. The structure of the lead is currently "A Sierpinski number is a number with . In 1960, Wacław Sierpiński proved that there are infinitely many odd integers k which have this property." Since there is only one property mentioned, the referent of "this" is 100% clear and unambiguous. You replaced the second sentence with "... which have this property of generating a sequence of composite numbers by the mentioned formula for the general term of the sequence." This is an extremely difficult to follow attempt to restate the same property; to the extent that I can parse it at all, I am not convinced it is correct (what is "the sequence" supposed to refer to?). Perhaps it would be better to start with this: what do you think is wrong with the current version that needs clarification?

All the best,

JBL (talk) 21:14, 10 September 2019 (UTC)

ANI I.M.

Can't we just {{hat}} all Almond Plate's posts? -DePiep (talk) 21:00, 11 September 2019 (UTC)

@DePiep: I see you've gone ahead and done it. I probably wouldn't have myself, but it is clearly defensible. (I have little doubt that whoever closes the thread will be able to read their comments in the appropriate context.) --JBL (talk) 21:27, 11 September 2019 (UTC)

Result: --JBL (talk) 11:05, 12 September 2019 (UTC)

Joel, you repeatedly try to drive me out of the site, meanwhile ignoring those who attack and smear at me. Some of their attacks were made with exactly such postings that detracted my so-called “incivility”. Show that you have a superior moral standing (like the Wikimedian Vermont showed), and consequently I’ll begin to consider your opinion to be more valuable than the majority sludge and scum. And note that it isn’t much about avoiding such vocabulary as “childishness”, let alone about ridiculous “taking a civility block”… it’s about moral integrity in general. Incnis Mrsi (talk) 08:57, 27 October 2019 (UTC)

Result: --JBL (talk) 23:28, 3 November 2019 (UTC)

Partition recurrence

Hello, you reverted my edit on partition site about recurrence formula. Here's table with p_k(n) up to n = 19, k = 10 (11 for my correct version) -> https://drive.google.com/open?id=1wbvQIOY6F---ky5QdgpbbmlwCbNQpJs0 As you can see, it's wrong in more ways. I've made wrong formula only up to k = 5, because it's so wrong that it hurts me...

--Viliam Furík (talk) 14:14, 15 September 2019 (UTC)

@Viliam Furík: The definition you are using for p_k(n) is different from the one in the article: exactly k parts versus at most k parts. --JBL (talk) 14:16, 15 September 2019 (UTC)

But I've used recurrence for creating your numbers, and they don't seem to add to p(n). --Viliam Furík (talk) 14:23, 15 September 2019 (UTC)

You have the wrong initial values: it should be p_k(0) = 0 for k > 0. (Really, there is no doubt about the correctness: there used to be a one- or two-sentence proof in the article, until you deleted it, and it is supported by an inarguable citation.) --JBL (talk) 14:29, 15 September 2019 (UTC)

OK, so then mine formula is recurrence relation for restricted size, isn't it? --Viliam Furík (talk) 15:14, 15 September 2019 (UTC)

Restricted size is the same as restricted number of parts: take the conjugate partition. Yours is for *at most* k parts (equivalently, largest part *at most* k), the one in the article is for *exactly* k parts (equivalently, largest part *exactly* k). --JBL (talk) 15:19, 15 September 2019 (UTC)

Keeping things civilised and non-personal

I noticed that you are pretty aggressive in the way how you comment. I honestly don't think that saying things like "go away" make Misplaced Pages a more pleasant environment. Please always remember that with the editing of pages as well as talk pages things should be strictly non-personal. I do see that when it concerns bad news about open access publishers, some wiki editors are more lenient than when it concerns good news. It is just my personal observation, and you are free to have your own. But keep things civilised and non-personal. Kenji1987 (talk) 08:06, 25 September 2019 (UTC)

@Kenji1987: When you retract or strike through the two completely unwarranted and unfounded suggestions of hypocrisy, I may become a tiny bit interested in your complaint. Until then you are not welcome to post here, doubly not on the subject of personalized commentary. (I would also accept an apology, though I do not expect one.) --JBL (talk) 11:18, 25 September 2019 (UTC)

Context of a request to cite sources

Hi, JBL! I see that at factorial article there are quite many sections and subsections not having sources cited such as the one re the negative integers non-extendability. In such context I think the demand for a cited source (for another simple explanation like that already in article) is a rather too strong demand. What do you think about this context? Thanks!--185.53.197.26 (talk) 19:09, 3 October 2019 (UTC)

I agree with you that many sections of factorial are inadequately sourced; this is a significant flaw in how the article is written, and you are proposing to make it worse. --JBL (talk) 20:29, 3 October 2019 (UTC)

Nomination of Polydivisible number for deletion

A discussion is taking place as to whether the article Polydivisible number is suitable for inclusion in Misplaced Pages according to Misplaced Pages's policies and guidelines or whether it should be deleted.

The article will be discussed at Misplaced Pages:Articles for deletion/Polydivisible number until a consensus is reached, and anyone, including you, is welcome to contribute to the discussion. The nomination will explain the policies and guidelines which are of concern. The discussion focuses on high-quality evidence and our policies and guidelines.

Users may edit the article during the discussion, including to improve the article to address concerns raised in the discussion. However, do not remove the article-for-deletion notice from the top of the article. Prova-nome (talk) 03:08, 9 October 2019 (UTC)

Notation of propositional variables p, q, r or P, Q, R?

Hi! I have seen your edit at destructive dilemma re the notation of propositional variables p, q, r in contrast to the notation from the article P, Q, R which is usually asigned to predicate symbols. How do you recall this convention of notation? Is it frequently encountered in sources?--185.53.197.214 (talk) 15:04, 10 October 2019 (UTC)

I have difficulty parsing your question, but hopefully the following answer is on point: I have no personal opinion (based on sources or anything else) about the use of lower-case versus upper-case letters for propositional variables. I have an opinion of moderate strength that changing notation wholesale on an article is bad, and doing so is discouraged by Misplaced Pages editing guidelines. I have a very strong opinion that taking an article with a consistent notation and changing some but not all instances, so that the article uses multiple different notation for the same thing, is bad. The last opinion is the relevant one. —JBL (talk) 23:47, 10 October 2019 (UTC)

Semi-protected page edit request

Hi! It looks like you and I were discussing some content on a semi-protected page. Would you mind reviewing the content that I wrote? I suppose the middle reference and its words might be more than you would like to see, and if that's the case, I don't mind dropping it. And if you're okay with either of the two versions (my orig or what's left after aforementioned reduction) would you be so kind as to make the final edit? Thanks! 170.54.58.11 (talk) 23:12, 7 November 2019 (UTC)

Sorry for the belated response, life has been busy. I looked over your text and it seems reasonable to me, I've added it to the article Planned Parenthood 2015 undercover videos controversy. --JBL (talk) 16:26, 17 November 2019 (UTC)

ArbCom 2019 election voter message

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Essay on my criteria for supporting admin noms.

That essay is my criteria, it's not an article. Stay the hell off of that page. You don't get to edit what my criteria is or is not. GregJackP Boomer! 04:12, 19 December 2019 (UTC)

@GregJackP: I have not voted in the RfA and don't plan to, so I don't think it's appropriate to accuse me of "badgering" you there. My edit changed nothing about "what your criterion is", it corrected a minor and nonsubstantive agreement error. I have no intention of editing it again. --JBL (talk) 13:04, 19 December 2019 (UTC)

P.S. @GregJackP: Upon investigating further, I see that you were aware of this error and consciously chose to preserve it. I had not realized that when I changed it; you have my apologies. (I still think your response was over-the-top, but I understand it somewhat better now.) --JBL (talk) 23:14, 19 December 2019 (UTC)

RTG and RDMA

There is currently a discussion at Misplaced Pages:Administrators' noticeboard/Incidents regarding an issue with which you may have been involved. The thread is RTG and RDMA. --Jasper Deng (talk) 14:09, 20 December 2019 (UTC)

Thanks, sort-of ;). --JBL (talk) 14:10, 20 December 2019 (UTC)

Merry merry !

~~~ is wishing you a Merry Christmas! This greeting (and season) promotes WikiLove and hopefully this note has made your day a little better. Spread the WikiLove by wishing another user a Merry Christmas, whether it be someone you have had disagreements with in the past, a good friend, or just some random person. Happy New Year!

Spread the cheer by adding {{subst:Xmas2}} to their talk page with a friendly message.

---Wikaviani 22:20, 23 December 2019 (UTC)

Thanks, Wikaviani -- happy holidays to you, as well! --JBL (talk) 13:12, 24 December 2019 (UTC)

“Tainted by sockpuppetry”

I’m not objecting to a note to the previous RfC. I’m objecting to that language, which is biased and was only raised by Aquillion, and Aquillion only, in a prior discussion. There is no widespread agreement on this from the others - it’s an attempt by Aquillion to delegitimize the previous RfC, which had over 30 participants. Toa Nidhiki05 16:55, 4 January 2020 (UTC)

@Toa Nidhiki05: What do you think is a non-biased way to describe the situation that an RfC was started by and features votes from a sock-puppets?

On a separate note, the seeming desperation by some editors to avoid discussing an issue that was obviously going to be re-litigated at some point is bizarre; just having the discussion on the merits would be better. There seems to be a reasonable likelihood that it will turn out the same way. --JBL (talk) 17:20, 4 January 2020 (UTC)

Most people don’t seem to see an issue, given the RfC had 30+ respondents and the decision was not determined by sock votes. The fact a handful of people on both sides were socks doesn’t dismiss the consensus that was created, and all it serves here is to try and make the previous RfC, which was extensively discussed, illegitimate - conveniently, this would benefit the RfC’s creator, who opposes the consensus. An impartial link would be sufficient for people to make up their own minds. Toa Nidhiki05 17:33, 4 January 2020 (UTC)

@Toa Nidhiki05: You have artfully dodged my question, so I will ask it again: What do you think is a non-biased way to describe the situation that an RfC was started by and featured votes from sock-puppets? Aquillion does not say the previous RfC was invalid or illegitimate, which would be a much stronger and less defensible claim. If you offer a reasonable alternative, I would be happy to request of Aquillion that they reword their comment.

Here is my analysis/advice: this RfC, like the previous one, is going to end with more people opposing inclusion than favoring it, possibly many more. In such a situation, the people who support inclusion are best served if the arguments for inclusion are clear and emphasize policy. The more that the RfC ends up looking like a squabbling shit-show, dominated by bludgeoning (a la Wikieditor19920) or trash arguments about process (a la Edit5001), the more likely it is that the numerical majority will rule. So I think that editors on "your side" would do well to stop picking fights about the stupid stuff and instead make clear, uncluttered, substantive arguments. (I also think it would be better if people on "my side" did that.) --JBL (talk) 17:58, 4 January 2020 (UTC)

What's your issue with my edit?

At Christianity and Abortion, why are you removing "or approval" from the sentence I'm trying to add it? — Preceding unsigned comment added by Edit5001 (talk • contribs)

Here is the article talk page; please learn how to use it. (I am not the first person to object to this edit.) --JBL (talk) 03:31, 7 January 2020 (UTC)

So I need to use the talk page to justify adding a single, uncontroversial word and you don't have to justify why you object to that word? Also, the previous person objected to a bigger edit, this was a smaller one. Edit5001 (talk) 03:34, 7 January 2020 (UTC)

(1) Read WP:BRD and seek to understand it. (2) Do not post here again unless required by Misplaced Pages policy. --JBL (talk) 03:51, 7 January 2020 (UTC)

Beets

Thanks. I was reading about the health benefits of beets and it reminded me the way I usually eat them looks like an octant, but I couldn't find the answer myself to what they were.— Vchimpanzee • talk • contributions • 22:34, 10 January 2020 (UTC)

John Coleman (meteorologist)

Hi Joel.

Regarding your message "I can tell you in advance that attempts to write out of the article the fact that Coleman's views are way out of the mainstream of expert opinion are not going to work; see WP:FRINGE."

I merely summarized what Coleman's beliefs actually were which does not violate any of Misplaced Pages's policies. The policy you referenced states:

" Misplaced Pages article should not make a fringe theory appear more notable or more widely accepted than it is. Statements about the truth of a theory must be based upon independent reliable sources."

Stating what someone's beliefs are clearly does not violate this policy. It is an utter travesty that this section of the article on Coleman (entitled "Views on global warming", let me remind you) does not state what his views actually are (at the time of writing), but instead the contributors have engaged in character assassination. The claims made in this section are based on hyperbolic and sensationalistic journalism that surely any self-respecting mathematician would find highly offensive. Furthermore, the sources provided do not properly corroborate the statements made by contributors. Contributions I made were corroborated by primary source material and were factual. As a mathematician who values the truth (I hope), can you, in good conscience, sit by and let this stand? — Preceding unsigned comment added by Robotdingo (talk • contribs) 02:27, 21 January 2020 (UTC)

The correct place to discuss the article is on the article talk page. --JBL (talk) 02:41, 21 January 2020 (UTC)

RFC

Thanks for your comments on the RFC. Just to let you know, wrt this edit that the user you replied to has earned themselves a six month topic ban so won't be replying. -- Colin° 13:18, 26 January 2020 (UTC)

Colin You’re welcome, and thanks for letting me know! —JBL (talk) 13:41, 26 January 2020 (UTC)

Talk:Jimbo Wales

While I can understand why you did it (concrete examples to demonstrate a problem are often beneficial), I expressly asked people not to bring up specifics in the discussion on Jimbo's page. That page gets a great deal of attention, often from outsiders who don't understand all the workings of Misplaced Pages, and attracting further attention to a biography subject who has made clear by her own actions - after being improperly contacted by someone involved in the dispute - that she does not want her sexuality (whatever she considers that to be) to be a matter of public discourse, is exactly what I was trying to avoid. Going over the specifics of a particular case all over again in a place where nothing is going to be resolved regarding it isn't necessary, and given the visibility of Jimbo's talk page, could well result in outside media deciding that this will make a good story, thus adding to the subject's discomfort. It really shouldn't need specific examples to make a general case, and the problem seems to be much larger than this one (there are at least two others currently under discussion, and it takes little effort to find indications that there may be many more). Accordingly, I would ask you to delete that post, before it results in further unwanted attention to a subject who clearly doesn't deserve this sort of nonsense. AndyTheGrump (talk) 00:57, 27 January 2020 (UTC)

Hi AndyTheGrump -- of course I read your request the first time I visited, but then had forgotten it by the time of my second visit (when I read only the newer posts) :-/. I have removed the post (which happily has not generated further discussion so far); sorry for the unnecessary bother. --JBL (talk) 01:31, 27 January 2020 (UTC)

Many thanks. AndyTheGrump (talk) 01:35, 27 January 2020 (UTC)

Please stop harassment, hounding, disruptive editing, and campaigning to drive away productive contributors

Hello, I'm Ekpyros. Although everyone is welcome to contribute to Misplaced Pages, it's important to be mindful of the feelings of your fellow editors, who may be frustrated by certain types of interaction. While you probably didn't intend any offense, please do remember that Misplaced Pages strives to be an inclusive atmosphere. In light of that, it would be greatly appreciated if you could moderate yourself so as not to offend. Thank you.

I am a novice editor, and you are systematically going through edits I've made and reverting them with comments such as "WTF?". This is the second time you have reverted several of my edits within minutes of each other; the last time, you reverted four edits in a row.

You've left instructions on my page: "Per WP:BRD, you are welcome to begin a discussion on any of the talk pages of the articles in question." However, you have not followed your own advice, but simply reverted my edits while failing to discuss a single one on any of the article Talk pages.

While I assume your sequential bulk deletions of my contributions are in good faith, I am concerned that you may be inadvertently WP:HOUNDING and WP:DISRUPT campaigning to drive away productive contributors, as while you "might not exhaust the general community's patience" your editing absolutely "operates toward an end of exhausting the patience of productive rule-abiding editors on certain articles"—namely, me.

At minimum, your behavior seems to go against what I understand to be an important guideline: "Please do not bite the newcomers".

I am asking that you please stop targeting, harassing, and hounding me. Thanks kindly, Elle Kpyros (talk) 00:00, 3 February 2020 (UTC)

(talk page stalker) @Ekpyros: you respond to a comment five months later? What gives? El_C 00:20, 3 February 2020 (UTC)

I don't know what you mean. I just had another two of my edits reverted by the same user. I am new to this and I didn't know how to respond to harassment after the first bulk reversion. And now it's even more clear that I'm being targeted. Can you explain the point of your comment? Is there only a certain amount of time I have to ask not to be hounded? Elle Kpyros (talk) 01:38, 3 February 2020 (UTC)

I am referring to this comment, left on your user talk page on Sept. 29, 2019. El_C 01:43, 3 February 2020 (UTC)

Yes, I've addressed it below. Again, can you explain what your point is here or how this is helpful? Elle Kpyros (talk) 01:47, 3 February 2020 (UTC)

Just registering my overall confusion. El_C 01:50, 3 February 2020 (UTC)

@El C: these two recent edits of mine will help clarify: . --JBL (talk) 02:08, 3 February 2020 (UTC)

Indeed, I see definite issues which pertain to a lack of neutrality and undue weight. El_C 02:23, 3 February 2020 (UTC)

That's not really responsive to my polite request. It also doesn't explain why you deleted longstanding parts of the Charles Blow article that were there before my edits without discussing it first on the talk page, as you advised me to do. Elle Kpyros (talk) 04:08, 3 February 2020 (UTC

@Ekpyros: have you read the link WP:BRD? You seem confused about what it says.

Separately, it is not harassment to deal with genuine issues in someone's edits; as El_C has helpfully pointed out just above, such issues are extremely common in your edits. You are welcome at any point to follow the advice in my message from last year. --JBL (talk) 12:20, 3 February 2020 (UTC)

Why do we need a secondary source for what the text actually says?

You reverted my edit to https://en.wikipedia.org/Tennis_racket_theorem I do not understand why we need a secondary source to show that someone knew the theorem 150 years ago... the primary source clearly shows that someone knew the theorem that far back. What kind of secondary source are you looking for? AristosM (talk) 01:08, 16 February 2020 (UTC)

Hi AristosM, Thanks for your message. The relevant piece of policy is WP:PSTS. Poinsot's paper is the document that exhibits the fact of someone in the 19th century knowing this theorem. A proper secondary source for the statement "it was known 150 years ago" would be someone commenting on the fact that Poinsot wrote a paper in the 19th century that contained this theorem; for example, a piece of literature on the history of physics, or a physics textbook by a reputable scholar published through a conventional editorial process.

To understand why this matters, consider whether our article on the four color theorem should state that it was proved by Kempe in 1879; certainly, I can find a primary source that says it was (namely, the one written by Kempe in 1879), but all modern secondary sources agree that the proof was flawed and so allow us to comment on the subject with appropriate perspective.

A secondary source would also be helpful for clarifying whether Poinsot's work is correctly dated to 1834 or 1852: you changed it from 1834 to 1852 based on the image (a primary source), but it's quite possible that this was a republished version of an earlier work, or that the result was first shared in personal correspondence earlier, or one of many other things that could make the earlier date correct. To be clear, I have no idea if this is the case; but a good secondary source would settle the question. --JBL (talk) 01:57, 16 February 2020 (UTC)

I see. That's a complicated piece of reasoning. Would the Veritaserum video count as such a secondary source? https://www.youtube.com/watch?v=1VPfZ_XzisU See timestamp 4:48 through 5:10, where he discusses explicitly that the theorem published earlier is the same as the current theory. AristosM (talk) 15:33, 16 February 2020 (UTC)

@AristosM: I think it is good (although it doesn't settle the question of the correct date); I will add it to the article. Thanks! --JBL (talk) 16:33, 16 February 2020 (UTC)

The first printing was 1834: https://www.worldcat.org/title/theorie-nouvelle-de-la-rotation-des-corps/oclc/12744728 AristosM (talk) 19:22, 16 February 2020 (UTC)

@AristosM: Thank you; I will change the date back. Would it be ok with you if I copied this discussion over to the article talk page, for the potential benefit of future editors of the page? --JBL (talk) 01:34, 17 February 2020 (UTC)

That’s fine. The Misplaced Pages chat system is mind boggling to me. This was the only way I knew to reply to you. If there’s a better place to put it, please proceed. AristosM (talk) 01:58, 17 February 2020 (UTC)

@AristosM: Thanks very much. This page (my user talk page) is the best way to reach me directly. But every Misplaced Pages article has an associated article talk page, which is the best place for discussions that focus on editing an article (since that way other potential editors can chime in or follow past discussions). The talk page for the tennis racket theorem is Talk:Tennis racket theorem and I will copy the salient parts of this discussion over in a moment. Thanks again for improving this article! --JBL (talk) 13:26, 17 February 2020 (UTC)

Saying goodbye to Boris

Re: this revert, https://en.wikipedia.org/search/?title=User_talk%3ATsirel&type=revision&diff=942500205&oldid=942492707 is there a reason that I cannot say goodbye? I'd chat with Boris on WP, it seems like the appropriate place to say goodbye, as well. 67.198.37.16 (talk) 20:02, 25 February 2020 (UTC)

You left a series of extremely bizarre talk-page messages yesterday (, , ) all of which I considered reverting. Writing "good-bye" in response to a death announcement struck me as fitting the pattern of bizarreness, and also in somewhat poor taste; and unlike the messages on Count Iblis's and Kbrown's talk pages, there is no longer an active user maintaining the page. Having said that, if you restore that message (or leave some other) I will not revert again. --JBL (talk) 13:11, 26 February 2020 (UTC)

I'm sorry, I fail to understand what about any of these messages is "bizarre", except maybe about Kitaev. From what I could tell, S. Kitaev is an entire generation younger, and would therefore be unlikely to be writing letters of recommendation for post-docs. I was going to chime in that "Oh, Kitaev is quite famous", before doing a double-take and realizing that S. Kitaev is someone else; and then it occurred to me that perhaps others were also mistaken about the surname. 67.198.37.16 (talk) 19:39, 27 February 2020 (UTC)

As to "poor taste", would it have been better if I had taken a snapshot of some flowers and a Hallmark card, and posted that on his page? Misplaced Pages is not a physical space, one cannot just stand at some location and grieve, and leave behind some physical token or memento. One must do with words and photographs. Perhaps there is some memorial page, but I am not aware of it; certainly, on facebook, one can post last regards. At any rate, I had a half-finished conversation with Boris, and was preparing a reply. Unfortunately, I will never be able to deliver it. So a few short words on his final departure seemed entirely appropriate. It is what people do when they go to funerals: they stand up and say whatever it is that they need to say. I don't believe that such expressions should ever be considered to be bizarre or in poor taste -- grieving is a fundamental human emotion, and to hush up others in their grief is ... wrong. 67.198.37.16 (talk) 19:51, 27 February 2020 (UTC)

You asked for my reasons and I gave them. It is not important to me that you accept my reasons as valid; since I have said that I do not intend to interfere with your edits I don't think it should be important to you that I renounce them. --JBL (talk) 20:11, 27 February 2020 (UTC)

OK. Sorry. I'm excitable and voluable. 67.198.37.16 (talk) 20:14, 27 February 2020 (UTC)

No apology necessary, I'm sure! (Also, sorry for the revert of your edit to your talk page just now -- I'm not exactly sure what happened.) --JBL (talk) 23:33, 27 February 2020 (UTC)

Corrected archive-url

Thanks for your edit (diff) which corrected archive-url at Boris Tsirelson. Have you got any idea what went wrong with my archive link? I am certain that after saving my edit I checked that the archive-url worked by clicking it in the published article. Now, as you know, archive.org claims it does not have that archive. I'm wondering if you have seen this before or if you know that archive.org is flakey. I don't like the idea of using Archive.today because I saw the incredible spam attack they launched on Misplaced Pages but I might have to review that. Perhaps I should ask at WP:VPT or similar. Johnuniq (talk) 00:45, 27 February 2020 (UTC)

Hi Johnuniq, I don't know, but I can describe my experience: I was going to leave a message at WP:AN asking for someone to protect Boris's user page, but the TAU site was down, so I tried the archive.org link and it said there was nothing there. After a bit the TAU site came back up, and I tried to archive it by following the instructions on the Wayback Machine. This resulted in angry messages from the TAU site instead of the desired page. I did see in the instructions for archiving a page here a note about "only available for sites that allow crawlers" -- could that be the issue? The archive link that I substituted was provided by BlackcurrantTea at AN. VPT can't possibly understand this less well than I do :). --JBL (talk) 01:25, 27 February 2020 (UTC)

Right - I saw the same message JBL describes when I tried to save a copy to archive.org. (I've successfully saved pages in the past.) I don't see anything obvious in their robots.txt that would cause archiving to break; you might ask Cyberpower678 if he has ideas about it, and you could email the TAU people. There may be other archiving sites available, too; I've not looked for them. BlackcurrantTea (talk) 02:18, 27 February 2020 (UTC)

re Uyarsky District redactions

Result: --JBL (talk) 15:22, 15 March 2020 (UTC)

Sorry for bothering you, but...

New Page Patrol needs experienced volunteers

• New Page Patrol is currently struggling to keep up with the influx of new articles. We could use a few extra hands on deck if you think you can help.
• Reviewing/patrolling a page doesn't take much time but it requires a good understanding of Misplaced Pages policies and guidelines; Misplaced Pages needs experienced users to perform this task and there are precious few with the appropriate skills. Even a couple reviews a day can make a huge difference.
• If you would like to join the project and help out, please see the granting conditions and review our instructions page. You can apply for the user-right HERE. — Insertcleverphrasehere _{(click me!)} 19:56, 2 March 2020 (UTC)

Hi Insertcleverphrasehere,

Thanks for the message -- I will look into this. As you can see from my history, I have (very) limited experience creating articles from scratch, none with speedy deletion, and what I would describe as moderate experience with AfD as a participant (none as a closer). If you had a moment, I would be interested in your sense of whether I am actually an appropriate candidate for this. (I am certainly competent to follow the detailed flowchart at WP:NPP!)

Thanks, JBL (talk) 20:26, 11 March 2020 (UTC)

Joel B. Lewis, I think you certainly could be. The notability guidelines need to be understood at a basic level, but so long as you know where to look, complete encyclopedic knowledge of all the guidelines isn't necessary. What's actually needed is a good head on your shoulders (and following the flowchart when you aren't sure). In any case, it is usually granted for a few months trial period first, where you can work to get a hang of the process. — Insertcleverphrasehere _{(click me!)} 23:44, 12 March 2020 (UTC)

Ok, thanks -- I'll give it a go! --JBL (talk) 22:08, 13 March 2020 (UTC)

New page reviewer granted

Temporary

Hi Joel B. Lewis. Your account has been added to the "New page reviewers" user group. Please check back at WP:PERM in case your user right is time limited or probationary. This user group allows you to review new pages through the Curation system and mark them as patrolled, tag them for maintenance issues, or nominate them for deletion. The list of articles awaiting review is located at the New Pages Feed. New page reviewing is vital to maintaining the integrity of the encyclopedia. If you have not already done so, you must read the tutorial at New Pages Review, the linked guides and essays, and fully understand the deletion policy. If you need any help or want to discuss the process, you are welcome to use the new page reviewer talk page. In addition, please remember:

• Be nice to new editors. They are usually not aware that they are doing anything wrong. Do make use of the message feature when tagging pages for maintenance so that they are aware.
• You will frequently be asked by users to explain why their page is being deleted. Please be formal and polite in your approach to them – even if they are not.
• If you are not sure what to do with a page, don't review it – just leave it for another reviewer.
• Accuracy is more important than speed. Take your time to patrol each page. Use the message feature to communicate with article creators and offer advice as much as possible.

The reviewer right does not change your status or how you can edit articles. If you no longer want this user right, you also may ask any administrator to remove it for you at any time. In cases of abuse or persistent inaccuracy of reviewing, or long-term inactivity, the right may be withdrawn at administrator discretion. _signed, Rosguill 21:11, 13 March 2020 (UTC)

--JBL (talk) 14:32, 29 March 2020 (UTC)

Permanent

Hi Joel B. Lewis. Your account has been added to the "New page reviewers" user group. Please check back at WP:PERM in case your user right is time limited or probationary. This user group allows you to review new pages through the Curation system and mark them as patrolled, tag them for maintenance issues, or nominate them for deletion. The list of articles awaiting review is located at the New Pages Feed. New page reviewing is vital to maintaining the integrity of the encyclopedia. If you have not already done so, you must read the tutorial at New Pages Review, the linked guides and essays, and fully understand the deletion policy. If you need any help or want to discuss the process, you are welcome to use the new page reviewer talk page. In addition, please remember:

• Be nice to new editors. They are usually not aware that they are doing anything wrong. Do make use of the message feature when tagging pages for maintenance so that they are aware.
• You will frequently be asked by users to explain why their page is being deleted. Please be formal and polite in your approach to them – even if they are not.
• If you are not sure what to do with a page, don't review it – just leave it for another reviewer.
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The reviewer right does not change your status or how you can edit articles. If you no longer want this user right, you also may ask any administrator to remove it for you at any time. In cases of abuse or persistent inaccuracy of reviewing, or long-term inactivity, the right may be withdrawn at administrator discretion. qedk (t 心 c) 13:57, 29 March 2020 (UTC)

--JBL (talk) 14:32, 29 March 2020 (UTC)

ISBN

While it is true that only 10 digit numbers were issued before 1 January, 2007, after 1 January, 2007, both 10 and 13 digit numbers were issued - quite a few books even contain both a 10 and a 13 digit ISBN. It is fairly straightforward to convert between 10 and 13 digit numbers - they are basically the same number, with different check digits appended plus the 13 digit version has the "bookland" prefix prepended to make it compatible with the EAN code. — Preceding unsigned comment added by Jost Riedel (talk • contribs) 16:58, 19 March 2020 (UTC)

Note to future self: this seems to be about this. --JBL (talk) 16:38, 20 March 2020 (UTC)

Mick Abel

Can we move Mick Abel to a draft space? Lucky7jrk (talk) 18:05, 20 March 2020 (UTC)

Hi Lucky7jrk, I am not an administrator, so I can't do anything now that it's been deleted. But I think you should be able to request that it be returned to user or draft space at WP:REFUND. Hope this helps, JBL (talk) 18:31, 20 March 2020 (UTC)

Importance of proofs in math edu

Hi! In the context of the edit at Median (geometry) re mathematical proofs in elementary geometry I want to ask you about the level of importance of proofs in mathematics education which seems not to be sufficiently underlined in teaching. (I have been reading these days some books on teaching geometry and I have thought to check elementary geometry proofs (involving triangle congruences). I have also noticed in this context the lack of an article or perhaps a section re geometry education, where the necessity of proofs appears more often or explicitly than in algebra). Thanks!--109.166.130.189 (talk) 03:41, 21 March 2020 (UTC)

(talk page stalker) Actually, proofs are no less important in algebra. The answer to all your questions is that you need reliable sources that demonstrate notability of your proposed topics. Chances are that they exist for this particular topic.--Jasper Deng (talk) 03:52, 21 March 2020 (UTC)

Yes, I wanted to ask about some sources/books in English about this topic, if encountered by JBL. The books I've been reading are NON-ENG sources.--109.166.130.189 (talk) 03:59, 21 March 2020 (UTC)

Regarding the proofs in algebra, they seem a bit easier on average than in geometry.--109.166.130.189 (talk) 04:02, 21 March 2020 (UTC)

Really? Try proving the fundamental theorem of algebra.--Jasper Deng (talk) 06:11, 21 March 2020 (UTC)

This mentioned theorem of algebra seems to be an exception, some textbooks say it is accepted without proof.--109.166.130.189 (talk) 13:40, 21 March 2020 (UTC)

Usually in teaching math, proven formulae, such as that for the solutions of the quadratic equation, after the teaching of the proof, are requested to be memorized by students, as a standalone objective. Such teaching habit affects the perception of math by average students who can memorize formulae and even entire proofs by hart, without seeing the connection between notions. Such use of memory can cause difficulties in solving rather simple problems as applications to the course. This presented aspect I have found in a foreword of a book of problems of Signals, Circuits and Systems (in electronics). Also I have encountered a criticism of usual memorization in math in a book titled The Psychology of Mathematical Activity.--109.166.130.189 (talk) 14:02, 21 March 2020 (UTC)

Can you explain why this discussion is here? I have no great expertise in primary or secondary math education. If it's related to some edits one of us has made to some article, I don't know which ones. If you're just chatting: you said in your first post that you wanted to ask me a question, but then you didn't; clearer context would be helpful for me to formulate an answer. --JBL (talk) 14:30, 21 March 2020 (UTC)

A concise question re a wikiedit: How do you view the insertion or citation in the article Median (geometry) of the mentioned link, Algebra.com, containing geometric proofs for the intersection of lines in triangles (medians, altitudes, angle and side bisectors)?--109.166.130.189 (talk) 18:31, 21 March 2020 (UTC)

It seems like an unremarkable, user-generated website with unclear editorial control or quality. There are a zillion “learn math here” websites; generally they are not appropriate for Misplaced Pages references or external links. —JBL (talk) 03:16, 22 March 2020 (UTC)

A question with wider context: What can you say from your personal experience in math, what impression did you have when the first elementary geometric proofs were presented to you? What is your recollection re those moments?--109.166.130.189 (talk) 18:41, 21 March 2020 (UTC)

I doubt my personal experience is of much general applicability: I studied “high school geometry” at age 12 or so, but I had already had extensive exposure to geometry in other classes and through mathematics competitions, and generally loved mathematics. I know that I thought two column proofs were silly. —JBL (talk) 03:16, 22 March 2020 (UTC)

Your personal experience is very useful, especially in a comparative context.--109.166.137.236 (talk) 13:29, 22 March 2020 (UTC)

I am glad to hear that! --JBL (talk) 14:49, 22 March 2020 (UTC)

A derived question from question 2: Based on your personal recolection on encountering the first geometric proofs, how would you stirr interest for and underline the importance of geometric proofs for a 6/7-th grader, who could easily underestimate such importance?--109.166.130.189 (talk) 18:49, 21 March 2020 (UTC)

I think my answer to this is to agree with Lockhart’s Lament: formal, rigorous proof is important in mathematics, but it is not clear that proofs as they are introduced in “high school geometry” are good examples of this importance. (If you happen to read/have read LL: there is a proof presented there from one of his students, that any angle inscribed in a semicircle is right. The student is my younger brother.) —JBL (talk) 03:16, 22 March 2020 (UTC)

Interesting point of view and author, whom I have just noticed. I see that there is a wikiarticle with the mentioned title Lockhart's lament.--109.166.137.236 (talk) 13:23, 22 March 2020 (UTC)

In recent years I have noticed some other autors with points of view re the teaching of math like Morris Kline, Rozsa Peter, etc.--109.166.137.236 (talk) 13:35, 22 March 2020 (UTC)

Yes, that's the one. (The original version is linked from there; I think the published version is somewhat extended.) It is an enjoyable read for a polemic :). Lockhart has also gone on to write a couple of textbooks (Measurement is the one relevant to geometry, I think) but I haven't read them yet. I don't know Péter, but Hungary has a long and interesting history of high-quality mathematics education. Lockhart is of course writing in a world that was transformed by the educational movement Kline was part of. --JBL (talk) 14:49, 22 March 2020 (UTC)

Indeed I have noticed that printed edition has 140 pages and the initial essay only 25 pages. So what you said in re to the 3rd question (geometric proofs at ages 12-14) is included in the 25 pages online link or in the 140 pages printed edition?--109.166.137.236 (talk) 17:46, 22 March 2020 (UTC)

The page count is somewhat misleading: the printed book has small pages and comfortable margins, as opposed to the dense typesetting of the original. Unfortunately my copy is in the office, not at home, so I can't check; but I think it is probably only expanded by perhaps 20%, not 500%. The section on geometry appears in both versions. --JBL (talk) 20:53, 23 March 2020 (UTC)

I have just remembered some other authors like the Russians Yaglom brothers, Isaak Yaglom and Akiva Yaglom, with their book Challenging (or nonelementary) Mathematical Problems with Elementary Solutions (in two English editions 1967, 1987).--109.166.137.236 (talk) 17:56, 22 March 2020 (UTC)

The book by the Russians Yaglom, as well as the book by Péter, The Game with Infinity there are in my library, in Romanian translation. The Romanian foreword for the first edition, written by Gheorghe Mihoc, mentions some disturbing aspect re math teaching and the status of highschool math teacher in that time noticed by Felix Klein at the begining of the 20th century in the foreword of his 1908 Elementarmathematik vom höheren Standpunkte aus. The foreword for the second Romanian edition, written by Yaglom brothers themselves in 1981, notices the transformation over 30 years both in mathematics itself and its teaching methods since the first 1954 Russian edition such as the thrive of combinatorics and probability theory as applicative value increase, allowing the Yaglom brothers to underline the importance of their results in practice, as well as noticing some elements included initially in recreational math being transfered to a branch with majors practical applications.--109.166.137.236 (talk) 18:24, 22 March 2020 (UTC)

Some other authors I could mention in this context are Grigore Moisil (combinatorialist and mathematical logician), Solomon Marcus, Mircea Malița, Octav Onicescu (probabilist), Dan Barbilian, Lucian Blaga (a philosophical-mathematical essay The Experiment and the Mathematical Spirit), etc.--109.166.137.236 (talk) 19:38, 22 March 2020 (UTC)

Another interesting mathematician, who illustrates the (willingness of) involvement of mathematicians (somewhat similar to way described by Yaglom to tackle challenging problems) in other fields (like physics and chemistry, etc) to apply mathematical proofs and style of research, is Thomas Hakon Gronwall.--109.166.137.236 (talk) 20:38, 22 March 2020 (UTC)

Sorry, but again I am not sure what the point is that you're making. Certainly, these are interesting people, with many interesting ideas. So ...? --JBL (talk) 20:53, 23 March 2020 (UTC)

I've enumerated these persons and aspects in order to underline a context re the use and the joy of proofs (phrase encountered in a G.H. Hardy - B. Russell dialogue). Without these points of view from these persons the ordinary teaching of math at pre-highscool and highscool didn't seem too interesting to me. At those moments of pre-highschool math I did not figure it what was/is missing in the ordinary theaching of math and especially geometry to exercise the building elements of geometric proofs, especially the geometric auxillary constructions like the use of parallel lines to the sides of a triangle, use of perpendiculars, etc. An interesting moment in the first year of highschool was the explicit encounter of the subject matter/discipline of logic. The logic textbook had examples of geometric propositions both in the chapter re categorical propositions and the logic of predicates. A second interesting/enlighting moment was the encounter of combinatorics in the second year of highschool. A third and final moment in highschool math was the encounter of the study of (binary) operations and algebraic structures determined by then, the textbook having examples of geometric operations of symmetry. Retrospectively I was very dissapointed by not encountering the enumerated aspects and moments in books much earlier since the some elements of logic like the direct and the converse implications in theorem were presented in the first geometry textbook at the introduction of geometry based on reasoning, but not beeing correlated with some aspects of predicate schemes (open formulae as statements with at least a variable) introduced in the study of linear equations and not used in a geometric context applied to the relations between points and lines in a plane (parallel and intersecting lines) or points, lines and planes in spatial geometry.--109.166.132.175 (talk) 21:28, 25 March 2020 (UTC)

Thanks, that makes more sense. My experience as an educator is that many students are pleasantly surprised to discover that there are ideas in mathematics (that the things they've been learning as formal rules mean something, and that they are connected to each other by a logical structure that can be understood). I guess that is similar to what you're saying. Although I think that the formality of rigorous proof is not the best way for some students to see that there are interesting logical connections present. (I think that the curse of two-column proofs in geometry, for example, is that there can be so much emphasis on formal details that the connection with any ideas is lost. And in trying to teach students epsilon-delta proofs in single variable calculus, it is important to keep them away from just memorizing the individual structures for certain families of functions -- the proofs are not the best way to show the concepts.) --JBL (talk) 14:59, 29 March 2020 (UTC)

I'd say that the logical connection of mathematical notions can be underlined in the context of the analysis of sphere/scope and content relations between those notions. Geometry provides many examples of sphere (and content) inclusion such as those re the types of triangles, quadrilaterals, etc. Also the geometric auxillary constructions provide additional info to that provided by the explicit premisses of a geometric problem, additional info which constitutes (as) additional propositions in the chain/sequence of (the) proof(s). These constructions are connected to the visual perception of the drawing of the geometric shapes involved in geometric problems. --109.166.129.82 (talk) 21:59, 30 March 2020 (UTC)

Sure -- the problem with proofs in geometry is in how it's typically taught, not something inherent. (The material is pretty good for introducing students to proofs.) --JBL (talk) 13:56, 1 April 2020 (UTC)

From the mentioned external link inserted initially at median (geometry) I have noticed an aspect involving negation used in connection to the intersection of 2 of the 3 medians in a triangle. Since they are not parallel (and also not identical) to one another, they must intersect as lines in a plane, there isn't other possibility. Therefore what remains to be proven is that the 3rd median (or altitude or angle bisector,..) is concurrent to the any other two medians(/..). --109.166.129.82 (talk) 23:59, 30 March 2020 (UTC)

Another logical aspect which can be difficult for beginners in geometry is the use of logical quantifiers, especially the universal quantifier. When a certain type of triangle (isosceles, equilateral triangle or right-angled triangle, etc) is drawn on the blackboard or on notebook sheet, it represents the set of ALL isosceles(/,...) triangles, which is rather difficult to perceive by average beginner. A property displayed by a particular drawn triangle of a certain types holds for ALL triangles from that set of particular triangles, not just the drawn triangle. Beginners are somewhat tied to concrete geometric shapes instead of the abstract concepts of triangle, quadrilateral, point, line, etc involved in reasonings/proofs.--109.166.129.82 (talk) 15:59, 31 March 2020 (UTC)

Or any field of mathematics. I think epsilon-delta proofs are a particularly challenging place because of the three quantifiers, for example. Real analysis has a sort of progression of increasing quantifier depth -- continuity, uniform continuity, equicontinuity, uniform equicontuity -- such that you can really only understand each one after you've grasped the previous one, and I think that quantifier depth is what makes them difficult to grok at first. --JBL (talk) 13:56, 1 April 2020 (UTC)

Wow! Three quantifiers!!!! This would be very interesting/challenging/wonderful (explicit) exercise of Applied Logic!!!! (I'm kind of a Logic Maniac.)--109.166.129.82 (talk) 21:32, 1 April 2020 (UTC)

I remember about the epsilon-delta being present in an optional section of the calculus texbook, it wasn't requested as compulsory part of the curriculum. --109.166.129.82 (talk) 21:57, 1 April 2020 (UTC)

Yeah, I think this varies a lot from course to course and teacher to teacher, at least within the US. (I do introduce students to it, but in a relatively conceptual way (so in particular I don't try to force them to write proofs).) --JBL (talk) 23:08, 1 April 2020 (UTC)

It can be said that this conceptual of introduction way involves underlining key aspects like the presence/participation of the absolute values of differences of values of the function and the argument between the value of the function and the value of the limit and similarly for the argument and the point where the limit of the function is evaluated |f(x) - L|<epsilon, |x - x₀|<delta(epsilon). (Sometimes it is very easy to not notice the presence of the third quantifier, at least at a first reading of the epsilon delta definition of the limit, when the definition presented semisimbolically as block of text mixed with some symbols for some quantifiers.)--109.166.129.82 (talk) 15:11, 2 April 2020 (UTC)

It can be noticed that for the limit of a sequence only epsilon remains (/is required) from epsilon delta.--109.166.129.82 (talk) 18:11, 2 April 2020 (UTC)

Some teachers may have a rather obsessive fondness for exercises with limits of sequences of special interest, trigonometric, exponential, logaritmic, etc.--109.166.129.82 (talk) 18:35, 2 April 2020 (UTC)

Re the memorization of the individual structures for certain families of functions, an example could be angle sum theorems for functions sine and cosine, which sometimes are overemphasized by some teachers as just formulae to be memorized, they do not underline the key steps in deriving the formulae (and not establish the connection to de Moivre formula). It seems that some/(many?) teachers of math treat the memorization of math formulae like those in other disciplines such as physics or especially (organic) chemistry where the deductive structure is less obvious, thus math is treated as if NON-math. This is a rather subtle trap for math teachers. Another overlooked aspect in teaching single variable calculus is the geometric aspect in the graphs of functions, the tangent lines and derivatives, asymptotes, etc.--109.166.129.82 (talk) 16:38, 31 March 2020 (UTC)

I agree. --JBL (talk) 13:56, 1 April 2020 (UTC)

Other connections that haven't been underlined are those between the binomial expansion and the limit definition of the number e and between the exponential function and the geometric progression, between finite difference, difference quotient and differential and derivative, etc.--109.166.129.82 (talk) 23:38, 31 March 2020 (UTC)

Example of an applied mathematical reasoning in biomedicine

How do you view the example of use of mathematical reasoning re the reaching of the peak of spreading the recent disease by Michael Levitt based on some data re exponential growth of the number of cases of infected persons?--109.166.137.236 (talk) 09:36, 23 March 2020 (UTC)

In this context I have been surprised to just notice an interesting biographical detail re the mathematician Daniel Bernoulli who studied medicine, not mathematics, (but still taking private math lessons from his father), especially in the context that in medicine education there isn't too much mathematical content, if any, perhaps in the guise of biostatistics, which many medical students do not really understand, being just a rather marginal discipline in the curriculum.--109.166.137.236 (talk) 09:48, 23 March 2020 (UTC)

JBL is a professional mathematician and would know what he's doing, but you're likely to get a more diverse array of responses if you post these questions at WP:RDMA.--Jasper Deng (talk) 09:57, 23 March 2020 (UTC)

Thanks for the suggestion, Jasper Deng! Of course I'm thinking as the next step to post also at the mentioned place. The answer by a professional mathematician like JBL has a great weight.--109.166.137.236 (talk) 11:23, 23 March 2020 (UTC)

Hi IP,

You reference something Levitt has written (?) but only provide a link to his Misplaced Pages biography, so I don't really know what you're talking about. I think that epidemiological modelling is a great exercise for, say, an undergraduate course on mathematical modelling; it has been interesting to learn something about how it's done in the last few weeks, but I am not inclined to make any statements about it more definite than "in a certain basic model, here is how outputs depend on parameters". I personally would not use COVID-19 as an example of anything in a class with young students at present due to its potentially upsetting nature. (Maybe next year?)

About Bernoulli, my impression is the classification "mathematician" didn't exist in his era (as distinct from what we would now call "scientist"), and that specialized academic training of the modern variety got going in the 19th century. (My understanding is that the premed curriculum in US universities typically requires students take at least single-variable calculus, which was I guess not cutting-edge research during D. Bernoulli's time but was not that far off, either.) --JBL (talk) 21:17, 23 March 2020 (UTC)

Interesting aspect re the US premed curriculum in contrast to the European systems. Also interesting the aspect re the distinction mathematician vs scientist in the time of Bernoulli. --109.166.129.82 (talk) 00:15, 27 March 2020 (UTC)

Re Levitt, he seems to have been making a general analysis, or number crunching on the outputs - parameters relation and social distancing underlining at .--109.166.129.82 (talk) 00:25, 27 March 2020 (UTC)

Unfortunately that link doesn't work for me. --JBL (talk) 15:01, 29 March 2020 (UTC)

Inquiry-based learning in math and undergraduate research

Hi! I've encountered in Graph theorists category a researcher, Alison Marr, (just noticed she is also involved in math edu) who is a proponent of inquiry-based learning in math. In the context of the above discussion, how do view the practical ways to introduce this educational method on a large scale in the usual educational system, of course simultaneously with a less emphasis on memorization of math statements and formulae and a more emphasis on the formation of students abilities in undergraduate research? (Also in this context especially by enhancing the connection between math concepts and procedures and the so-called empirical sciences (physics, chemistry, biology, ...)) --109.166.129.82 (talk) 21:59, 5 April 2020 (UTC)

Hey

Hey, as you know this topic area, race and intelligence, is under ArbCom sanctions. I really don’t want to report you to ArbCom enforcement because I just don’t like to resolve disputes that way. If you believe that I am misrepresenting the academic literature and Misplaced Pages policies then why can’t you have a productive discussion about sources and Misplaced Pages policies? It suggests that you can’t and instead can only resort to name calling and personal attacks to win your argument. Can you remove your personal insults from the topic area, I don’t think that is much to ask? Thanks--Literaturegeek | T@1k? 15:12, 12 April 2020 (UTC)

@Literaturegeek: None of my comments are personal attacks. What you have written includes large amounts of bullshit, particularly of a racist or anti-anti-racist nature; but that is not a personal comment (and so in particular not a personal attack). The best way not to have your comments labelled racist bullshit is to make sure that your comments are not racist bullshit, e.g., by ceasing to embrace views like "nothing I write is racist because I have acquaintances of other races" and "anti-semitism has never masqueraded as philo-semitism" and "Richard Lynn is a better representative of the mainstream than Stephen J Gould" and "it is important to make sure white supremacist views are well-represented on wikipedia because otherwise people wanting their racist views validated might have to go elsewhere".
FWIW, I also would prefer you not begin ArbCom proceedings -- it sounds like an awful waste of time and energy, especially in comparison to my suggestion. --JBL (talk) 16:00, 12 April 2020 (UTC)

I have been editing Misplaced Pages since 2007 and of my many thousands of edits I made zero edits to race and intelligence article until two months ago when I saw the article was up for deletion. I actually have little to no interest in the subject, except I take strong objection to the academic literature being misrepresented by shouting down opponents as being racists. All I did say about Jewish people was to mention that some researchers had found that Jewish and East Asians scored higher on intelligence tests than white Caucasians and other racial groups, that is not antisemitism, it is not my fault the datasets are what they are. Like every other subject I edit on, I follow the sources, that is what forms my editing opinions. Although it is actually none of your business I am actually a supporter of Israel and have never made a single edit on Misplaced Pages to justify a suggestion of antisemitism, so that is another personal attack I request you withdraw and apologise for. I came here to ask you not to personally attack me and you do so again on your talk page.--Literaturegeek | T@1k? 16:16, 12 April 2020 (UTC)

And in my many thousands of edits I have made zero edits to do with Jewish people or Judaism, there is no basis for that slur, it is totally inappropriate of you to just randomly accuse someone of antisemitism, one of the most poisonous evils in the world perpetrated by paranoid far right conspiracy theorists and the far left.--Literaturegeek | T@1k? 16:24, 12 April 2020 (UTC)

JBL: I met you in person a few times some years ago at some academic events, maybe 10 years ago the most recent. You seemed like a perfectly sane, decent guy. Had the order been reversed and I saw this Misplaced Pages stuff first, I would have kept a distance in person. The other characters at the RfC going tooth and nail is what it is -- they seem constitutionally unable to do anything else. The only effect of your "contributions" and the counter-comments they inevitably elicit is to make the RfC even more of a train wreck. 73.149.246.232 (talk) 20:39, 12 April 2020 (UTC)

One way of another, it's probably inevitable that this issue will end up at arbitration. In this AE report there was a rough consensus of admins that an ArbCom case was needed, and I'm a little surprised no one has requested one yet. I agree with the list of parties that In actu suggested, although I think JBL also should be included. 2600:1004:B125:ADE2:A589:8ADE:3EF3:6B4A (talk) 21:25, 12 April 2020 (UTC)

Discretionary sanctions alert

This is a standard message to notify contributors about an administrative ruling in effect. It does not imply that there are any issues with your contributions to date.

You have shown interest in the intersection of race/ethnicity and human abilities and behaviour. Due to past disruption in this topic area, a more stringent set of rules called discretionary sanctions is in effect. Any administrator may impose sanctions on editors who do not strictly follow Misplaced Pages's policies, or the page-specific restrictions, when making edits related to the topic.

For additional information, please see the guidance on discretionary sanctions and the Arbitration Committee's decision here. If you have any questions, or any doubts regarding what edits are appropriate, you are welcome to discuss them with me or any other editor.

Template:Z33

Thanks, IP -- I guess you haven't been blocked for your completely inappropriate approaches to administrators yet? Oh, well. --JBL (talk) 16:02, 12 April 2020 (UTC)