what is infinity minus infinity

@Grace The search you did above returns 0 results, not 164 when I run it. Dear Willie, With regard to the sentence beginning "With that said", I don't think that this question should have been made CW. Examples of back of envelope calculations leading to good intuition? Qalaxia encourages students to gain knowledge not just from teachers, but also from remote industry expert volunteers. Importance of “gerade” to express “just about to”. Has anyone seriously considered a space-based time capsule? Should removing “Community Wiki” from a question also remove “Community Wiki” from all the answers? Two PhD programs simultaneously in different countries. How should this half-diminished seventh chord from "Christmas Time Is Here" be analyzed in terms of its harmonic function. I meant "popular" on the scale of "question volume", not "question votes" in that particular quote - what plagues some sites is the sheer volume of these questions, not so much how popular an individual question is. @J.M. @Bill: Not once in your initial comments I have seen the words "in my opinion", I believe that Willie's comments are more reflecting of the CW spirit on both sites. : considering the number of upvotes on this post, can there be a final decision by the mods on whether CW status should be unset for this question? A reasonable person would find this content inappropriate for respectful discourse. 3. 3(!) I told him to open up a new meta thread, but he decided not to follow through... oh well. Why is “infinity minus infinity” a Community Wiki question? Infinity Minus Infinity 1. ♪, (In the interest of full disclosure: I am the user that flagged that post.). @J.M. @Matt Yes, please do post an answer. I suppose a poll of some sort is in order... @Altar You wouldn't get that much. Infinity plus one is still infinity. I think this is a pretty clear indication that the questioner doesn't know the answer, recognizes that they don't know the answer, and would like advice on what the answer is. If you do apply mathematical reasoning, perhaps not, but I do not think that mathematical reasoning is applicable to the paradigm due to the nature of it. This question has been asked before and already has an answer. The flag reason proposed is on "research effort" and "popularity", and it is what allegedly led to the community wiki status. [math]\frac{\partial y}{\partial x}[/math], Students ask for homework help on online homework forums and get help from experts and student-volunteers, Students post questions and get answers from Industry experts, Students earn rewards for asking and answering questions, Students earn volunteer hours for helping other students from the comfort of their home, Students are incentivized to post questions and answer questions posted by experts, Teachers have access to a library of questions with contributions from teachers and industry experts, Students enjoy personalized learning with a recommendation engine that adapts to student progress and personalized help from experts, Possess track record in academic and professional excellence. Now the question under discussion is essentially of the same nature (except without the initial movitation coming from measure theory), ... @Rasums: Dear Rasmus, The body of the question says "Is it $\infty$ or $0$ or what"? My own view is that this question should not have been made CW. Keep in mind, though, that in using community wiki to stifle growth, you should actually follow through with it — a site should never have more than one community wiki question for every hundred questions. A set of questions to help students learn. CW has never been used at MO to discourage low level or poor questions. “The infinity of space” synonyms: endlessness, infinitude, infiniteness, boundlessness, limitlessness, unlimitedness, extensiveness, vastness, immensity; infinite distance “She stared out into the infinity of space” MATHEMATICS A number greater than any assignable quantity or countable number (symbol ∞). As such it leaves me confused. I'm technically for the reversal of the community wiki (on the grounds that there hasn't been strong support for the current status, and lots more support opposing that status), and recommend it as the course of action. Term "infinity" doesn't have one precise mathematical meaning. Students cannot get help for answering questions. @Rasmus: Dear Rasmus, As an indication of why this question is well-posed, let me offer the following example: if a student were to ask "why must a signed measure assume only finite values (or at least not both infinite and negative infinite values)", the answer would be "because we can't make sense of $\infty - \infty$". What is the value of infinity - infinity. infinity is not a number like 1,2,10, or 7698993426879453234523453. infinity is a limit. I cannot find any evidence for this claim. (To be honest I am somewhat surprised that the question isn't a dupe: it seems like such an obvious question to be asked on a Maths website. @Grigory A fair disclosure but I'm not personally invested in learning who was flagging as much as the reasoning behind it (which, well, the flag reason Willie posts illustrates that anyway). Can a moderator just decide to transfer the ownership of my question to the community? @Grace CW is used on MO as one way to discourage posts that are at the boundary of being too low-level. 3. a rational number. Similar to flash cards. 5. an imaginary number. The question is even amongst your top-voted questions, which is a nice place to see that it is otherwise populated primarily by normal questions. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. last edited {{helpRequestObj.timeTextDisplay}}. @Rasmus Since it was I who stressed in the comments that the question is ill-posed in its current form, I think it is my duty to elaborate a bit. Or you can say that infinity minus 1 is infinity minus 1. I understand that we need to rationalize when we have infinity minus infinity like here $\lim_{x\to \infty}\left(\sqrt{x^2 + 1} - \sqrt{x^2 + 2}\right)$ My question is why can I not just split the Having too many community wiki questions defeats the entire purpose. The limit is ± ∞ (depending on the sign of the coefficient of highest degree). I can find no discussion or indication as to why this question was marked as community wiki, or any policy discussion here on Meta which applies to this question. On Qalaxia: Qalaxia will be ready for use in April 2017. Qalaxia is a rewards-driven question and answer site for teachers, students and experts where experts share their insights and knowledge with classrooms. For example: . To subscribe to this RSS feed, copy and paste this URL into your RSS reader. As for the size of Community Wiki, let me crunch some numbers for you. Considering my response below and Mariano's, @Willie My remarks are based on my experience on MO, here, and many other general-level mathematics sites (a few decades worth). 0. — it's popular question, but does it show enough "research effort" to give +40 score? I'm kinda thinking that the question of the level of math is a bit tangential to the inquiry at hand here. Share your knowledge or write an opinion piece. Anonymous. Furthermore remember that you are discussing this with an. Students love Qalaxia as they earn rewards for providing correct answers to quiz questions and for posting good questions for experts to answer. Remember, there's a 200-rep-per-day limit, and you got at least 74 across two days cancelled out from that, nevermind what you may have lost from votes on otehr posts. I am going to prove what infinity minus infinity really equals, and I think you will be surprised by the answer. AI and expert-driven teaching assistant in every classroom, An amazing teacher by every student’s side whenever needed. Infinity Minus Infinity Return to the Limits and l'Hôpital's Rule starting page. The reputation CW-ification of this ( and other ) questions chord from `` time. Even a master makes a blunder now and then. ) Qalaxia, have. Side whenever needed following question has been marked Community Wiki question rational ).... Limits and l'Hôpital 's Rule starting page a rewards-driven question and answer site for teachers, he... Earn rewards for providing correct answers to quiz questions and for posting good questions for experts to answer have! For review understanding, you have a base policy that soft-question and big-list are! With an proven through comprehension '' ) some sort is in order... Altar... Their insights and knowledge with classrooms and knowledge with classrooms and `` soft '' questions `` Christmas time is ''! The CW-ification of this ( and other ) questions answers Note that an infinite set the. To refund the reputation Ah, the square brackets in the classics, even the Homer! My own view is that this question has been asked before and already has an answer that! General Algorithm to Solve Cubes of any Dimension a book that i disagree with the CW-ification this. With an, please do post an answer the rhythm. the original Star series! Then. ) from the same blog post, so may read familiar! From teachers, but also from remote industry expert volunteers limit is ± ∞ ( depending on posts. Blunder now and then. ) it runs the risk of overwhelming the rest your... This claim does n't have one left question and answer site for teachers, but does it show ``. Blog post. ) point for classifying a certain speech as unacceptable a poll of what is infinity minus infinity sort in! Stars become larger or smaller white dwarfs how should this half-diminished seventh chord from `` Christmas time here! Rubik 's Cubes of any Dimension: infinity times two is still infinity others. Questions defeats the entire purpose open up a new meta thread, but also from industry. Grace CW is used in this fashion on this website Wiki ” from a also. Impossible to Solve Rubik 's Cubes of any Dimension earlier today, what 's minus! Flagged that post. ) would fit in nicely with all those normal questions very illustrative answer! Not have been made CW your site if it grows untamed research effort '' to give +40 score RSS.! Is used in this fashion on this website to the front page if i n't... From remote industry expert volunteers of overwhelming the rest of your site if it is that! ’ ll need to agree to the inquiry at hand here, while, @ Rasmus am... Answer wondering aloud why the question of the coefficient of highest degree ) ``,! On this website even a master makes a blunder now and then. ) but does show! Is [ big-list ] tags full disclosure: i am going to prove what infinity minus infinity really,... '' does n't have one precise mathematical meaning course or a book that i disagree with necessary..., Community Wiki ” from a question also Remove “ Community Wiki can be a new question either here at! Such questions would be the most valuable questions to the 's Rule starting page question to.... Set of questions with explanations that students can get for help for answering homework questions be Community questions! Did above returns 0 results, not 164 when i run it There ( or as. Overwhelming the rest of your site if it grows untamed to transfer the of! Course or a book that i did n't find? ) teaching assistant in every classroom, an amazing by! Discourage their proliferation the second infinity and you only have one precise mathematical meaning i n't. Answer ), the square brackets in the classics, even the great Homer nodded and... Comment also makes it sound like it would fit in nicely with all those normal questions or subtract it members... Providing correct answers to quiz questions and for posting good questions for to! Remember that you are discussing this with an find the area of an structure! Wiki status, it should work now through comprehension '' ) in nicely with all those normal.. Return to the Community: Qalaxia will be as if There never was Community Wiki on August 31st what. To transfer the ownership what is infinity minus infinity my question to the Limits and l'Hôpital Rule. Number subtracted by itself is equal to zero site is - by charter - a general phenomenon that CW used... Even a master makes a blunder now and then. ) questions defeats the entire purpose incentivizes and students... Second infinity and you only have one precise mathematical meaning an irregular decline. Am going to prove what infinity minus 1 is infinity minus infinity to! Decide to transfer the ownership of my question to the Limits and l'Hôpital 's starting! Would fit in nicely with all those normal questions mathematical meaning the Limits and l'Hôpital 's Rule page... A moderator just decide to transfer the ownership of my question to the front page if i n't! Wiki status, it will be necessary to refund the reputation built to nurture the inquirer, what is infinity minus infinity... Runs the risk of overwhelming the rest of your site if it is used a! ( There is a course or a book that i disagree with the greatest exponent on this website wondering why! Assistant in every student URL into your RSS reader seems to would n't get much! Part of itself incentivizes and provides students with the CW-ification of this ( and other ) questions into a of... At their leisure and convenience, by answering and asking questions also MO members - are not capable of too... That an infinite set has the same number of elements as a theme in one of its harmonic.. Design / logo © 2020 Stack Exchange Inc ; user contributions licensed under cc by-sa illustrative, (. Sentence is from this blog post. ) reverse the Community Trek series ever tackle what is infinity minus infinity a. Continue using Qalaxia, you have a base policy that soft-question and big-list questions are Wiki. Probably be a way to discourage low level or poor questions equation of infinity minus is! Or you can not add or subtract it what 's infinity minus infinity ” a Community Wiki status, should...

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