Revision as of 15:33, 27 October 2009 editCrossmr (talk | contribs)Pending changes reviewers18,925 edits →Your edit summary← Previous edit | Revision as of 16:20, 27 October 2009 edit undoPoeticbent (talk | contribs)Autopatrolled, Extended confirmed users, Pending changes reviewers29,717 edits →The usual: refactoring for what I really meantNext edit → | ||
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::::Heh, I suggest you not follow my advice then. Go edit something the other disputants would not likely or properly object to. Why are you topic banned from Russia? I was not in on that decision. ] <sup>]</sup> 16:45, 26 October 2009 (UTC) | ::::Heh, I suggest you not follow my advice then. Go edit something the other disputants would not likely or properly object to. Why are you topic banned from Russia? I was not in on that decision. ] <sup>]</sup> 16:45, 26 October 2009 (UTC) | ||
* Jehochman, I bet you don't even realize that you have an anti-Polish bias, but since you do have quite a following here also, all I want to do is to point your attention in that direction because sometimes a word is all that is needed really. --] ] 14:16, 27 October 2009 (UTC) | * Jehochman, <s>I bet you don't even realize that you have an anti-Polish bias, but</s> since you do have quite a following <s>here also, all I want to do is</s> I'd like to point your attention <s>in that direction because sometimes a word is all that is needed really</s> to the fact that I have been traumatized by Russavia's provocation and regret allowing it to color my perception of editors crossing over from the EEML proceedings into the AfD. --] ] 14:16, 27 October 2009 (UTC) | ||
**What an obnoxious comment for you to make. ] <sup>]</sup> 14:34, 27 October 2009 (UTC) | **What an obnoxious comment for you to make. ] <sup>]</sup> 14:34, 27 October 2009 (UTC) | ||
:::I'm sorry I didn't mean to offend your sense of personal pride. Just wanted to help, that's all, but the decision is yours of course. All best, --] ] 14:44, 27 October 2009 (UTC) | :::I'm sorry I didn't mean to offend your sense of personal pride. Just wanted to help, that's all<s>, but the decision is yours of course</s>. All best, --] ] 14:44, 27 October 2009 (UTC) | ||
== ANI thread == | == ANI thread == |
Revision as of 16:20, 27 October 2009
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Congratulations
- Congrats! Majorly talk 01:03, 10 October 2009 (UTC)
- Indeed; congrats and best of luck. –Juliancolton | 01:08, 10 October 2009 (UTC)
- Congratulations! Until It Sleeps 01:19, 10 October 2009 (UTC)
- Major congrats! Anti-Nationalist (talk) 02:30, 10 October 2009 (UTC)
- I think you get a week of paternity leave. It's in the admin contract. See you back here soon. :P MastCell 02:48, 10 October 2009 (UTC)
- Congratulations! Take as much time as you can with your new addition because the years go by fast. The little tyke will be borrowing your credit card and staying out past curfew before you know it. Short Brigade Harvester Boris (talk) 03:09, 10 October 2009 (UTC)
- Excellent news, congratulations! Now focus on fun with the family, as Boris wisely says. Time flies! . . dave souza, talk 08:48, 10 October 2009 (UTC)
- Thank you, all! Jehochman 14:04, 10 October 2009 (UTC)
- Congratulations! 8lb 9oz is a big little guy. All the best to the mom. Finell (Talk) 17:44, 10 October 2009 (UTC)
- Yes, he's a moose. Jehochman 17:46, 10 October 2009 (UTC)
- Big time congratulations! All the best, nothing in the world compares -...Modernist (talk) 22:43, 11 October 2009 (UTC)
- Congratulations! Life will never be the same :) Kafka Liz (talk) 23:10, 11 October 2009 (UTC)
- You're in for some fun times. Good luck. :) Lәo(βǃʘʘɱ) 23:19, 11 October 2009 (UTC)
- Congratulations from me too. You will be very familar with nappies in the next months, perhalps too familiar. Good luck with it! Ceoil (talk) 00:06, 12 October 2009 (UTC)
- Congratulations! Life will never be the same :) Kafka Liz (talk) 23:10, 11 October 2009 (UTC)
- Big time congratulations! All the best, nothing in the world compares -...Modernist (talk) 22:43, 11 October 2009 (UTC)
- Yes, he's a moose. Jehochman 17:46, 10 October 2009 (UTC)
(Outdent) Wonderful new, enjoy! I wish you and your family the best in everything. --CrohnieGal 15:53, 14 October 2009 (UTC)
- All the best Verbal chat 16:04, 14 October 2009 (UTC)
- I obviously missed something, but it's not hard to guess what it is. Congratulations! I wouldn't mind another one myself, actually. Hans Adler 11:20, 21 October 2009 (UTC)
- All the best Verbal chat 16:04, 14 October 2009 (UTC)
Shallow analysis
Your admonishment said this was original research. This is incorrect, it is entirely backed up by the provided reference on that page - please correct this. Thanks.
- Had another look at this edit, recast to remove synth, didn't spot it before cut and paste - also changed the title of the section, as that too must be viewed as synth. HarryAlffa (talk) 10:42, 21 October 2009 (UTC)
WP:NPA. Hmm. Actual lies and deceit?
If I may quote Misplaced Pages:Civil#Identifying_incivility, 2. Other uncivil behaviors c)lying to mislead, including deliberately asserting false information
It would appear clear that this is exactly what Ckatz & Ruslik have done.
In the ANI, what is to be done about their removal of cited material? What reassurances can you give that this won't happen again? What of the other issues raised there? Ckatz accusation of harassment for which there is no evidence provided, or to be found - I looked, perhaps you will be more skilled than I and find the obvious evidence for this harassment.
I trust that you will re-evaluate your judgement of this situation with deeper analysis, re-open the ANI, and address Ckatz & Ruslik vis-à-vis WP:Civil. Thank you.
HarryAlffa (talk) 13:52, 20 October 2009 (UTC)
- Not likely. You had best disengage from this conflict. Jehochman 13:56, 20 October 2009 (UTC)
- I'm impressed! You are a quick thinker! An evaluating, deep analysis in under 4 minutes of all the evidence provided in the ANI! I will waste no more of my, or your, time. HarryAlffa (talk) 13:59, 20 October 2009 (UTC)
- Oh, I've been watching that thread for several days. It's not like you can suddenly convince me to change my view by posting half a dozen lines of commentary on my talk page. I've been deliberating on whether to block you for a month or indefinitely. You've been around since 2007 and seem to have some capacity for making useful edits, so I decided not to block you at all. I am really hoping you'll try much harder to follow WP:CIVIL and WP:AGF. Jehochman 14:01, 20 October 2009 (UTC)
Teach me
You are a smart guy, I'm a reasonably smart guy. Maybe I'm overlooking something without realising it.
Here is the edit I made to the Aurora (astronomy) article
- Auroras are the result of the emissions of photons in the Earth's upper atmosphere, above 80 km (50 miles), from ionized nitrogen atoms regaining an electron, and oxygen and nitrogen atoms returning from an excited state to ground state. They are ionized or excited by the collision of solar wind particles being funnelled down, and accelerated along, the Earth's magnetic field lines; excitation energy is lost by the emission of a photon of light, or by collision with another atom or molecule.
- oxygen emissions
- Green or brownish-red, depending on the amount of energy absorbed.
- nitrogen emissions
- Blue or red. Blue if the atom regains an electron after it has been ionized. Red if returning to ground state from an excited state.
- Oxygen is a little unusual in terms of it's return to ground state, it can take three quarters of a second to emit green light, and up to two minutes to emit red. Collisions with other atoms or molecules will absorb the excitation energy and prevent emission. The very top of the atmosphere is both a higher percentage of oxygen, and so thin that such collisions are rare enough to allow time for oxygen to emit red. Collisions become more frequent progressing down into the atmosphere, so that red emissions don't have time to happen, and eventually even green light emissions are prevented.
- This is why there is a colour differential with altitude, high altitude oxygen red dominates, then oxygen green and nitrogen blue/red, then finally nitrogen blue/red when collisions prevent oxygen from emitting anything.
- Auroras are mostly only visible when a coronal mass ejection, or similar events, fires plasma, and also magnetic field, from the surface of the Sun toward the Earth. The relatively high density of material means a higher intensity of Aurora, and the snapping of some field lines of the Earth's own magnetic field, and their subsequent reconnect, funnels and accelerates the charged particles down in a large circle around the Earth's poles. Seen from space, these fiery curtains form a thin ring in the shape of a monks tonsure, or man's bald spot.
Referenced? The only link (web link, not reference) that you managed to insert is this one, which, however, contains almost no useful information. So, your version is uncited and contains serious errors and omissions. You removed a lot of useful information about auroral emissions, and you are trying to use a confusing terminology, which you invented yourself.
— Ruslik
Which I picked out these points
- only one reference
- "contains almost no useful information"
- "removed a lot of useful information about auroral emissions"
- I am guilty of neologism
How do you think I should have described these points in Ruslik's comment? HarryAlffa (talk) 11:07, 21 October 2009 (UTC)
- I have no feelings on the initial content dispute. That's something I looked at, and could not figure out who was right. Your subsequent interactions were not particularly helpful. If you'd like my help mediating the content dispute, please start a discussion on the article talk page, and issue invitations to the relevant parties. I'll be glad to help. I've written a top importance, featured astronomy article. My opinions are not entirely ignorant. Jehochman 19:00, 21 October 2009 (UTC)
RFA spam
Thank you for participating in WP:Requests for adminship/Kww 3 | |
---|---|
Sometimes, being turned back at the door isn't such a bad thing |
Misplaced Pages:Arbitration/Requests/Case/Speed of light
This arbitration case has been closed, and the final decision may be viewed at the link above.
- All editors are reminded to be civil at all times and seek consensus where possible, and encouraged pursue dispute resolution when necessary.
- Brews ohare (talk · contribs) is warned for his conduct in this dispute, and placed under a general probation for one year, under which any uninvolved administrator may impose sanctions if Brews ohare fails to adhere to the purpose of Misplaced Pages or general editing and behavioral guidelines, policies, and expectations, despite warnings.
- David Tombe (talk · contribs) is also warned for his conduct in this dispute and during the course of the arbitration case, and is placed under the same general probation but for an indefinite duration. David Tombe may not appeal his probation for one year, and is limited to one appeal every six months thereafter.
- Both Brews ohare and David Tombe are banned from all physics-related pages and topics, broadly construed, for twelve months.
- Violations of the topic bans or general sanctions may be enforced by blocks of up to a week in length for repeated violations, to increase to one year after the third block. All blocks and other sanctions applied should be logged on the case page here.
For the Arbitration Committee, Hersfold 22:29, 20 October 2009 (UTC)
Hello
Thanks for comming to the conclution and closing the ARE case. And I can assure you that if you run checkuser there is no blocks or restrictions on whatever eventually found. Regards Mr Unsigned Anon (talk) 02:57, 22 October 2009 (UTC)
- You are welcome. If there was a former account, just make sure not to use it concurrently (at the same time) as the new one. If the account is retired, please keep it retired. Then you have much less chance of any problem. If you are attacked or provoked by other editors, please ask me or another administrator for help. It is much better to stop a problem before it happens, than to have to try to untangle the mess of accusations and counter-accusations after a fight begins. If you are right, there is no benefit in getting into a fight. Jehochman 03:08, 22 October 2009 (UTC)
15 minutes too late
it seems. ;) Ncmvocalist (talk) 14:42, 23 October 2009 (UTC)
Brews ohare
- The following discussion is closed. Please do not modify it. Subsequent comments should be made in a new section.
You counseled me to try working with others. Here I am trying to pour some oil on troubled water, and you are jumping on me. Why? Is this topic anything to do with the ban? Absolutely not. No technical issue has come up at all. It all is about handling a dispute, which is exactly what you want me to engage in. Please explain yourself. Brews ohare (talk) 19:12, 23 October 2009 (UTC)
- You are assuming bad faith. I am not jumping on you. I am trying to steer you away from trouble. If somebody gets a ticket for speeding, it does not make sense for that person to take up the cause of another party who's been accused of speeding. Please find other things to do besides intervening at ANI in discussions about tendentious editing. Jehochman 19:22, 23 October 2009 (UTC)
- You have not explained why this activity is heading toward trouble. If my proposals for resolution are not acceptable, so they won't be tried. Brews ohare (talk) 19:30, 23 October 2009 (UTC)
- What you are doing is adding noise and length to the thread, which prevents it from resolving. If you had good judgment, you would not have gotten topic banned. Please, stop disrupting Misplaced Pages with voluminous posts and argumentum ad nauseum. I'm hereby banning you from my talk page. I'm tired of dealing with you and your assumptions of bad faith. I see that you posted about me at User talk: Hersfold and did not tell me. That reinforces my view that you're a disruptive editor out to make trouble. Jehochman 20:12, 23 October 2009 (UTC)
More problems with Daedalus969
User:Daedalus969 left several messages again today on my talk page. He even reverted me after I removed his comments despite the fact another administrator told me I can remove anything I like.
Keep in mind these comments have nothing to do with an edit but rather the contents of my talk page. Below are his diffs:
He then tracked one of my edits on an article and reverted it:
What should I do about this? Moby-Dick3000 (talk) 01:26, 24 October 2009 (UTC)
- It looks like User:Gwen Gale has handled it already. My advice is to keep calm, and if somebody has disputed the way you quoted me, you can ask them nicely to come talk to me about their concerns. If you do quote somebody, it's a good idea to make that clear, but failing to do so is not a severe wikicrime. Jehochman 18:01, 24 October 2009 (UTC)
Mr Unsigned Anon
I think it is lame that the other editor in the dispute was blocked and Mr Unsigned Anon was not but I think both of them needed a simple warning (like you did) so I'm happy to see him not blocked. I would be curious about the check user. It looks like the requesting editor could be assuming bad faith but the duck test appears damning here. I personally am just curious and wouldn't be surprised if it is a user who was trying to start fresh and was never blocked but we won't know without the check user. Is it a complicated process and would the check in itself reflect negatively on the editor if the results are negative?Cptnono (talk) 03:55, 24 October 2009 (UTC)
- Can I have a link to the discussion you reference? Jehochman 17:56, 24 October 2009 (UTC)
- Misplaced Pages:Arbitration/Requests/Enforcement#1.4 Mr Unsigned Anon or diff. I am hoping the accusation that he was previousley blocked is incorrect since he has actively engaged in discussion trying to get stuff straight more than once but it seems appropriate to check with the charge left hanging there and the other editor getting blocked. If it is an editor who switched names I don't even want to know about it. If it is a completely new editor then it would be right for the other editors to acknowledge the screw up.Cptnono (talk) 22:58, 26 October 2009 (UTC)
Advice please.
This is apart of a long going debate/dispute around the lead section. I like to ask you if Stellarkid (talk) way of arguing is according to the discretionary sanctions. I was to answer and confront him about lot of statements in this post but that might inflamate the debate even more and/or become a conflict. Short background. User nableezy put lot of effort keeping it a policy baseed discussion. Cptnono (talk) stongly oppose him but keep discussion on a fair level and motivating his disputetagging of the article well. Advice or intervention appreciated. Regards Mr Unsigned Anon (talk) 10:41, 24 October 2009 (UTC)
- That looks like a content dispute. Don't raise the temperature. Instead, make your points calmly, referencing facts to reliable sources. Jehochman 17:58, 24 October 2009 (UTC)
The usual
Russavia has chosen to address me directly here: . May I respond?radek (talk) 15:20, 25 October 2009 (UTC)
- I don't see how direct intervention would be beneficial. Why don't you ignore them for the sake of avoiding disruption and conflict. Jehochman 15:24, 25 October 2009 (UTC)
- Avoiding conflict only encourages it. I cannot help but to consider the timing of Russavia's AfD during the course of the EEML proceedings as indicating his testing the limits of his topic ban and intending his action as a provocation. However, for now, I will refrain from introducing Russavia's AfD as evidence at EEML. VЄСRUМВА ♪ 16:37, 25 October 2009 (UTC)
- I voted delete. This article is not even questionable. It is rife with original research and sythesis. Jehochman 18:29, 25 October 2009 (UTC)
- As I indicated, I would have preferred some restraint on Russavia's part until the EEML proceedings are complete. I was not commenting on the merits of his AfD. VЄСRUМВА 18:34, 25 October 2009 (UTC)
- Jehochman, I see no reason that Radeksz can't address the concerns that I have raised with the article. So long as, like myself, postings are kept to the merits of the AfD; i.e. comment on the state of the article and why he believes it should be kept, and not comment on editors. I wouldn't so tedious as to claim that because Radeksz responds to my post, that he is breaching the topic ban. Discuss edits/articles, not editors. Do you know what I mean? Cheers, --Russavia 15:55, 26 October 2009 (UTC)
- Rather than nominating Polish puff-pieces for deletion, why don't you focus on some of the many Russian articles that need attention? There is lots of work to do. Why choose something that is going to inflame other editors? Jehochman 15:56, 26 October 2009 (UTC)
- I have not commented on any editor anywhere on that page.radek (talk) 16:11, 26 October 2009 (UTC)
- Jehochman, I am Russia topic banned, hence for me to follow your suggestion would entail me breaching that 6 month ban; needless to say, I am editing Russia topics on another wiki :) As far as I am concerned Jehochman, a puff piece (as you describe it) is a puff piece and it does not fit in with being an encyclopaedia, and as an editor who is here for the improvement of the encyclopaedia, such articles will be nominated for deletion; either via AfD or PROD, and I have done many of these in the past, and will of course continue to do so in future. The only reason I didn't PROD this one is due to 1) the fact that the sources are such that a casual observer would believe it is notable, and 2) the fact it had previously survived an AfD. If people are getting inflamed, they need to WP:AGF and argue to keep the article on the merits, which I believe I have presented pretty well as to why it should be deleted. But yes, I did learn of the existence of this article by looking at a previous Arbcom and finding it being mentioned there, and was quite surprised that it survived deletion the first time around. It is nothing more, nothing less than that. --Russavia 16:22, 26 October 2009 (UTC)
- That's correct Radeksz, you haven't commented on any editor, but I was simply saying that as long as one comments on the article in question, and not editors, then I see no reason as to why you would be in breach of any Russavia topic ban. Commenting on the article, and not editors, is why I asked Matthead to strike his comments, both in the AfD and on his talkpage, and for the precise reasons that I presented. Assume good faith as to why the article has been nominated, and I am sure that decent discussion can follow. --Russavia 16:22, 26 October 2009 (UTC)
- Jehochman, I am Russia topic banned, hence for me to follow your suggestion would entail me breaching that 6 month ban; needless to say, I am editing Russia topics on another wiki :) As far as I am concerned Jehochman, a puff piece (as you describe it) is a puff piece and it does not fit in with being an encyclopaedia, and as an editor who is here for the improvement of the encyclopaedia, such articles will be nominated for deletion; either via AfD or PROD, and I have done many of these in the past, and will of course continue to do so in future. The only reason I didn't PROD this one is due to 1) the fact that the sources are such that a casual observer would believe it is notable, and 2) the fact it had previously survived an AfD. If people are getting inflamed, they need to WP:AGF and argue to keep the article on the merits, which I believe I have presented pretty well as to why it should be deleted. But yes, I did learn of the existence of this article by looking at a previous Arbcom and finding it being mentioned there, and was quite surprised that it survived deletion the first time around. It is nothing more, nothing less than that. --Russavia 16:22, 26 October 2009 (UTC)
- Heh, I suggest you not follow my advice then. Go edit something the other disputants would not likely or properly object to. Why are you topic banned from Russia? I was not in on that decision. Jehochman 16:45, 26 October 2009 (UTC)
- Jehochman,
I bet you don't even realize that you have an anti-Polish bias, butsince you do have quite a followinghere also, all I want to do isI'd like to point your attentionin that direction because sometimes a word is all that is needed reallyto the fact that I have been traumatized by Russavia's provocation and regret allowing it to color my perception of editors crossing over from the EEML proceedings into the AfD. --Poeticbent talk 14:16, 27 October 2009 (UTC)- What an obnoxious comment for you to make. Jehochman 14:34, 27 October 2009 (UTC)
- I'm sorry I didn't mean to offend your sense of personal pride. Just wanted to help, that's all
, but the decision is yours of course. All best, --Poeticbent talk 14:44, 27 October 2009 (UTC)
- I'm sorry I didn't mean to offend your sense of personal pride. Just wanted to help, that's all
ANI thread
I saw your edit on the ANI thread about Likebox. You might want to mark the thread resolved at the top (where I marked it unresolved) and/or notify Likebox about the resolution. — Carl (CBM · talk) 14:23, 26 October 2009 (UTC)
- You may also want to consider noting the restriction at Misplaced Pages:Editing restrictions#Placed_by_the_Wikipedia_community. So much bureaucracy. — Carl (CBM · talk) 15:45, 26 October 2009 (UTC)
- All set. A little bureaucracy is a necessary evil. Jehochman 15:49, 26 October 2009 (UTC)
Probation on Likebox
If you have come to this probation idea independently, I hope that you reconsider. If you are not familiar with the editing on the pages, you might get the wrong idea. The conflicts I am involved with are about two pages where I am trying to fix discussions which are embarassing to Misplaced Pages:
- History Wars: The consensus for 60 years about the genocide on Tasmania is being challenged by some right wing Australian writers. These writers are overrepresented here, compared to the weight they are given in genocide studies. This is important to fix, if the coverage of history here is not to be a joke.
- Godel's incompleteness theorem: I gave a self-contained proof that some editors didn't understand. This happens often, and much of the purpose of the discussion is to make sure that editors state clearly what they believe mathematically, so that if there is ignorance, it can be combatted, and this subject, which is sometimes misunderstood, can be presented clearly.
For 1: I have given about 10 sources (some of which I have read in detail) to show both that this is the position of nearly all genocide scholars and most historians, and to explain what the position is. There are hundreds, if not thousands, of similar sources. The other editors have decided that this material should not be in the article, and there is nothing I can do to oppose the two of them, except leave a trail of sources on the talk page and wait for someone else to join the discussion. Because of the continuing conflict, an uninvolved administrator (I think it was Nick D) has been looking over the editing, and concluded that I was not doing anything wrong.
For 2 (which is a completely separate issue): The proof of the incompleteness theorem is very well known in mathematics. There are many different presentations, one of which is due to Kleene in the 1940s. The Kleene presentation is the one that I put on the page, and I called it the "modern proof". To make it self-contained, I added the following innovation in exposition: instead of using the Kleene fixed point theorem, I had the programs in the proof print their own code.
Since this proof is extremely familiar to me, and I know for many years that it is identical to Godel in its fundamental construction, I did not see any problem with putting it here. On the other hand, "print your own code" is a slight simplification of the Kleene fixed point theorem, and using it in this exact way is a slight innovation, mostly pedagogical. But this is not a crackpot proof, it is equivalent to standard proofs.
The fix to the "OR problem" in the case of "print your own code" is just for me to publish it somewhere. I did not do so because I did not think I could prove any new theorems with an idea which is so trivial and only different from classical methods in a superficial way.
I urge you to reconsider your decision. Misplaced Pages must allow free debate without sanctions, so that when pages get stuck in a certain position, they can be unstuck. As an editor, I do not accept mediocre pages, so I push against consensus, knowing full well that this may take years of struggle. But it is important not to punish such behavior, but to accept it as a loyal opposition.Likebox (talk) 18:10, 26 October 2009 (UTC)
- I have graduate degree in computer science, with a focus in theory, so I could probably help with Godel's theorem. As for Tasmania, I am not familiar with the subject. These are content disputes, and you are welcome to use dispute resolution to have your concerns addressed. You first stops might be WP:3O and WP:M. Have you tried those processes yet? It is very important not to bang your head against the wall. If your discussions with other editors are not fruitful, you need to take appropriate steps, rather than repeating yourself and becoming frustrated with them! Probation is an extremely mild remedy because it only prevents you from doing that which you should already not be doing. If you are editing properly, the probation has no effect on you whatsoever. Jehochman 18:25, 26 October 2009 (UTC)
- About the probation--- you are right, in theory the probation would have no effect if I stick to 1RR. But in practice, such administrative decisions give support to the opposing editors, and they have been engaging in some administrative tricks. Any administrative action tends to send the message that their position will be protected from opposition. I worry that this will lead other editors to stay away from these pages, which have gotten stuck in a rut.
- The reason I don't go to dispute resolution is because I have a naive optimism that these issues can be sorted out without high-handed intervention, just by reasoned discussion. This position might be incorrect and naive.
- About Godel's theorem, if you have some experience with it, that's terrific. The discussion on the talk page on the page has been bogged down in stupid quibbles. The standard proof of Godel's theorem is not completely self-contained. One version goes like this (I like CS language for these sorts of things):
- You first prove that the halting problem is undecidable. If a program P takes an integer input x, you can't decide when it will halt or not. The proof is simple: if there were a program HALT(P,x) which takes program P and input x and correctly tells you whether P on input x "halts" or "doesn't halt", then you make the following program SPITE(x):
- SPITE(x) takes input x and computes HALT(x,x), treating x both as program and input. If the answer is "halt", SPITE goes into an infinite loop. If the answer is "doesn't halt", SPITE halts.
- SPITE() (where is the code of spite considered as a large integer) then has the property that it is testing itself for halting, and doing the opposite of whatever is predicted. This is a contradiction.
- The "innovation" I added here is to avoid using inputs: instead of having SPITE take input x, just have SPITE print its own code. This is done in many textbooks, and the process of showing that a program with input can be replaced by a program that prints its own code is called the "Kleene fixed point theorem". But in CS, it is an exercise to write a code that prints its own code, it is called writing a Quine.
- So to show that the halting problem is undecidable, you write SPITE to do the following:
- Print its own code into a variable R
- calculate HALT(R)
- if the answer is "halts", go into an infinite loop. If the answer is "doesn't halt", halt.
- It's the same proof, but replacing the tricky self-reference using variables with a slightly more obvious self-reference from printing your own code.
- Once you show that the halting problem is undecidable, you can note that a complete consistent theory of arithemetic would prove as a theorem "P does not halt" for all P's that don't halt, and "P halts" for all P that halt. This would solve the halting problem. So QED.
- What are the issues with this standard proof (which currently appears on the page)? One issue is that it is in two stages: first you prove halting is undecidable, then you use that to prove incompleteness. If you want to fold the two proofs together, to make a self-contained proof is easy.
- Suppose you have an axiomatic system S for arithmetic, then you can prove that this system cannot prove at least one true theorem. Write SPITE to:
- Print its own code into a variable R
- deduce all consequences of S looking for "R does not halt"
- if it finds this theorem, it halts.
- Now SPITE does not halt, and S cannot prove that SPITE doesn't halt (at least if S is consistent). The reason is that SPITE halts the moment S proves that it doesn't, and if SPITE halts, then S is sufficiently sophisticated to follow SPITE step by step until it halts and to prove this also.
- So this is the folding in of the halting problem, so that the proof is self contained. There is one nice thing about this exposition--- the Rosser theorem becomes easy to prove. To understand Rosser's theorem, note the following: SPITE does not halt and S cannot prove that SPITE doesn't halt. But S can prove that SPITE halts (and that's a lie).
- So construct ROSSER
- it prints its code into R
- it deduces all consequences of S looking for a) "R prints 0" or b) "R doesn't prints 0"
- if it finds a), it halts. If it finds b), it prints 0 and halts
- Now S cannot prove either "ROSSER prints 0" or "ROSSER does not print 0", showing that S is incomplete.
- These are the rejected proofs. Are they original? So far, nothing new. But with another modification of the program I prove a theorem that might be new.Likebox (talk) 19:01, 26 October 2009 (UTC)
- Without checking your proofs in detail, the issue is not whether you are correct or not. That doesn't matter. If you think the "standard" explanations and proofs can be improved upon, by all means you should publish a paper on the topic! However, Misplaced Pages is the wrong forum for novel academic work. You need to 1) publish your ideas some place reliable, then 2) suggest them to Misplaced Pages editors for inclusion in our articles. As you have experienced, we are rank amateurs (mostly). We don't have the skill to review an academic paper and determine it's correctness. We have to rely on other publishers who we thing are reliable. Jehochman 19:25, 26 October 2009 (UTC)
- I agree that novel results should go into a published paper. But these exposition tricks and rewriting are in not very novel. Folding in a proof of a lemma into the body of a theorem, isolating the construction in the proof, and simplifying the exposition, are not original mathematics in and of themselves.
- When you say that Misplaced Pages can't determine correctness, I think this is a bit of a mistake. Editors often need to determine correctness for mathematics pages, and are generally OK at doing so, so long as they don't call the authorities in. Most proofs on Misplaced Pages don't follow the textbook, and some of them are very well written. Often they are clearer than the proofs in the textbooks.
- On the other hand, there might be an extension of this type of discussion which might make it appropriate for a journal (the stuff I put on Godel's theorem would definitely not be suitable for a journal, which is why I thought it would be good here). If so, then it is perhaps too original for Misplaced Pages. But I hope it isn't, because it really isn't very original at all.Likebox (talk) 21:44, 26 October 2009 (UTC)
(deindent) I want to say the same thing in another way: this proof is not different from the version in textbooks, it is the exact same proof in the textbooks, written in English. In Misplaced Pages, you are supposed to write clearly. So if you have a textbook proof which uses specialist language, you can de-jargonify it. This is what I did for Godel's theorem here. It is not substantively different.
If Misplaced Pages does not do this simplification, its purpose will not be served. It will not provide accessible knowledge. The issue of rewriting and simplifying is the central concern in mathematical exposition. If the editors refuse to do it, or believe it is not important, they should change their mind. It is always possible to simplify proofs to the point where anyone can understand them, by breaking up the steps into chunks, by folding in lemmas, by suitable examples, and by preliminary theorems. In the case of Godel's theorem, there isn't even very much that needs to be done, because the proof is already pretty simple.Likebox (talk) 21:52, 26 October 2009 (UTC)
- You may be cursed to be in the position of being right, but not yet able to convince others. I recommend you let the issue sit for a while, and come back to it later. Time may be your ally. Don't push too hard. Perhaps you could find another article where there are worse problems to be fixed. Jehochman 22:20, 26 October 2009 (UTC)
Your edit summary
I take issue with your edit summary here. I was not "defacing" the article. Just because it passed a GA review doesn't mean it stays a GA forever. I checked the GA review before moving that tag from lower on the page to the top. The issue was brought up in the GA review and I can't see a response there on how it was addressed. Just a catch all "I think I took care of the rest of the issues" down below. I had also started talk on the talk page prior to moving it if you'd like to contribute.--Crossmr (talk) 10:25, 27 October 2009 (UTC)
- You placed an ugly maintenance tag at the top of a good article. That's not a sensible thing to do. It just passed GAC a couple weeks ago. Your comment about not staying a GA forever is a bit flippant under these circumstances. Jehochman 13:30, 27 October 2009 (UTC)
- maintenance tags are not "ugly". I placed a maintenance tag on an article with a very thorough description of why.--Crossmr (talk) 13:57, 27 October 2009 (UTC)
- At this point you are the only editor who supports placing the maintenance tag. Please wait a little bit and see if anybody else endorses that action. Right now it is one in favor, two opposed (myself and implicitly the GA reviewer). I am not saying I am right and you are wrong, but let's discuss this a bit. I will admit that I dislike maintenance tags because some folks (not necessarily you) go skipping through Misplaced Pages sprinkling tags everywhere, rather than actually improving the article. This particular article is very heavily trafficked. If you raise a concern on the talk page, it is likely to be addressed and fixed. There is no need to place the concern on a maintenance tag. It's just not making Misplaced Pages better, and in my opinion, the tag makes it worse. Jehochman 14:07, 27 October 2009 (UTC)
- No actually I'm not. I didn't place the tag on the article. I repositioned. Another editor had already placed it on their previously. So if you want to count heads its 2 and 2 and clearly disputed. That was clearly pointed out in my edit summary which said "moved to top". Its unfortunate that you have a personal issue against maintenance tags, but they are widely used across wikipedia and community consensus supports their use. In fact you'll find it was Rich Farmbrough who added the globalize tag originally almost 2 weeks ago.--Crossmr (talk) 15:28, 27 October 2009 (UTC)
- At this point you are the only editor who supports placing the maintenance tag. Please wait a little bit and see if anybody else endorses that action. Right now it is one in favor, two opposed (myself and implicitly the GA reviewer). I am not saying I am right and you are wrong, but let's discuss this a bit. I will admit that I dislike maintenance tags because some folks (not necessarily you) go skipping through Misplaced Pages sprinkling tags everywhere, rather than actually improving the article. This particular article is very heavily trafficked. If you raise a concern on the talk page, it is likely to be addressed and fixed. There is no need to place the concern on a maintenance tag. It's just not making Misplaced Pages better, and in my opinion, the tag makes it worse. Jehochman 14:07, 27 October 2009 (UTC)