Well-ordering theorem: Revision history

Filter revisionsshowhide

To date:

Tag filter:

Invert selection

External tools:

For any version listed below, click on its date to view it. For more help, see Help:Page history and Help:Edit summary. (cur) = difference from current version, (prev) = difference from preceding version, m = minor edit, → = section edit, ← = automatic edit summary

curprev 17:3517:35, 14 March 2024 77551enpassant talk contribs m 7,384 bytes −14 →Proof from axiom of choice undo Tag: 2017 wikitext editor

curprev 06:3506:35, 28 January 2024 C7XWiki talk contribs 7,398 bytes +190 Written by user Will_Orrick, see https://en.wikipedia.org/wiki/User_talk:C7XWiki#Well-ordering_theorem →Proof from axiom of choice undo

curprev 14:3414:34, 29 July 2023 2600:8806:2709:2a00:4d66:ec79:d6b0:3337 talk 7,208 bytes +5 →Proof from axiom of choice: a_alpha is not a set. It is an element being chosen from each non-empty subset undo

curprev 02:2202:22, 12 May 2023 Eric Rowland talk contribs m 7,203 bytes 0 →History: direct link undo
curprev 02:2102:21, 12 May 2023 Eric Rowland talk contribs m 7,203 bytes 0 →History: direct link undo

curprev 14:1914:19, 17 April 2023 173.11.52.249 talk 7,203 bytes +10 →Proof from axiom of choice undo

curprev 10:5010:50, 21 January 2023 Zeimusu talk contribs 7,193 bytes +19 →Proof from axiom of choice undo

curprev 06:2306:23, 6 December 2022 96.44.28.180 talk 7,174 bytes +153 →Proof of axiom of choice undo
curprev 06:1806:18, 6 December 2022 96.44.28.180 talk 7,021 bytes +84 →Proof from axiom of choice undo

curprev 03:2803:28, 2 December 2022 PointlessUsername talk contribs m 6,937 bytes +1 →Proof from axiom of choice undo Tag: Visual edit

curprev 01:3501:35, 20 October 2022 168.5.48.182 talk 6,936 bytes −13 Edited section title - this section alone doesn't provide a full proof of equivalence to the axiom of choice. undo

curprev 10:0910:09, 26 August 2022 Tea2min talk contribs 6,949 bytes −1,027 Undid revision 1106713948 by JoDu987 (talk):? Revert what appears to be an edit mistake. undo Tag: Undo
curprev 02:1202:12, 26 August 2022 JoDu987 talk contribs 7,976 bytes +1,027 No edit summary undo Tag: Reverted
curprev 02:1002:10, 26 August 2022 JoDu987 talk contribs 6,949 bytes +16 →Proof of equivalence to axiom of choice: clarify wording undo

curprev 18:2518:25, 9 March 2022 Drugulordz talk contribs m 7,694 bytes +215 Fixed an error in the proof. undo Tags: Visual edit Mobile edit Mobile web edit

curprev 17:4217:42, 26 January 2022 128.187.116.22 talk 7,263 bytes +28 →Proof of AC undo

curprev 23:0023:00, 8 January 2022 170.52.84.180 talk 7,235 bytes +1,560 Restoring the proof (see the talk page), the $\mathcal{E}$ described in the talk page is not a chain. undo

curprev 13:5713:57, 3 August 2021 Chrisahn talk contribs m 5,675 bytes 0 →Proof of AC undo

curprev 19:5419:54, 2 August 2021 Chrisahn talk contribs 5,675 bytes +191 →Proof of AC: {{clarify}} The well-ordering theorem says every set can we well-ordered. It's unclear why we can use the theorem to choose a well-ordering for X but not for each S. undo

curprev 23:1823:18, 17 January 2021 Huggums537 talk contribs 5,484 bytes +96 Adding local short description: "Theoretic principle in mathematics stating every set can be well-ordered.", overriding Wikidata description "set-theoretic theorem or principle, equivalent to the axiom of choice" (Shortdesc helper) undo

curprev 18:3318:33, 22 November 2020 Citation bot talk contribs 5,388 bytes −28 Alter: url. URLs might have been internationalized/anonymized. | You can use this bot yourself. Report bugs here. | Suggested by AManWithNoPlan | All pages linked from cached copy of User:AManWithNoPlan/sandbox2 | via #UCB_webform_linked 2936/3680 undo

curprev 01:5401:54, 17 August 2020 Omnipaedista talk contribs 5,416 bytes −44 already linked above undo

curprev 12:2512:25, 12 August 2020 2405:201:f008:403f:d4ec:e515:95b8:8842 talk 5,460 bytes −33 well ordering principle is a different thing. the page already has a not to be confused with undo Tag: Visual edit

curprev 00:4300:43, 30 June 2020 Bender235 talk contribs m 5,493 bytes −2 →History: clean up per WP:GBOOKS, replaced: https://books.google.co.il/ → https://books.google.com/ undo Tag: AWB

curprev 15:2815:28, 23 May 2020 190.20.57.249 talk 5,495 bytes +33 Added an aditional alternative name of the principle/theorem undo Tags: Visual edit Mobile edit Mobile web edit

curprev 05:0805:08, 23 March 2020 116.41.191.28 talk 5,462 bytes +3 →Proof of AC: Fix formatting to improve readability. undo

curprev 22:4822:48, 24 January 2020 Dodek talk contribs 5,459 bytes −1,602 →Proof of equivalence to AC: removing incorrect proof, see https://en.wikipedia.org/wiki/Talk:Well-ordering_theorem#The_proof_of_Zorn_lemma_=%3E_well_ordering_principle_is_incorrect undo

curprev 19:4619:46, 19 December 2019 Citation bot talk contribs m 7,061 bytes −60 Alter: isbn, title. Add: chapter. Removed URL that duplicated unique identifier. Removed parameters. Some additions/deletions were actually parameter name changes. | You can use this bot yourself. Report bugs here.| Activated by User:Headbomb | via #UCB_webform undo

curprev 15:1915:19, 31 October 2019 Krb19 talk contribs 7,121 bytes +623 →History: put joke back in, I am confused about the title of this article, because I have not heard the term "well ordering theorem" to refer to what I had known as the "well ordering principle" undo Tag: Visual edit
curprev 15:1515:15, 31 October 2019 Krb19 talk contribs 6,498 bytes −624 →History: removed joke that was about well ordering principle not theorem undo Tag: Visual edit
curprev 15:1415:14, 31 October 2019 Krb19 talk contribs 7,122 bytes +623 →History: added the famous joke about the W.O.P. being obviously false, with citation undo Tag: Visual edit

curprev 07:1907:19, 20 October 2019 2406:3003:2003:25d0:c8b7:3323:fc80:b03e talk 6,499 bytes +1 →Proof of equivalnce to AC undo

curprev 22:2222:22, 19 October 2019 Baha Mk5 talk contribs m 6,498 bytes +3 No edit summary undo

curprev 21:2521:25, 15 October 2019 Fr.dror talk contribs 6,495 bytes +12 terminology undo

curprev 16:0416:04, 12 October 2019 Fr.dror talk contribs 6,483 bytes +84 →Proof: better division into chapters undo
curprev 16:0016:00, 12 October 2019 Fr.dror talk contribs 6,399 bytes +309 wording, adding source undo

curprev 09:3409:34, 4 October 2019 Fr.dror talk contribs 6,090 bytes +370 No edit summary undo

curprev 08:3208:32, 22 June 2019 107.77.214.195 talk 5,720 bytes +185 →Proof: Some formatting to reduce ambiguity from reuse of variable letter E undo Tags: Mobile edit Mobile web edit

curprev 22:2522:25, 29 April 2019 Wikipelli talk contribs m 5,535 bytes −1,194 Reverted edits by 106.206.12.66 (talk): please use the talk page (WP:TPHELP) or be bold and fix the problem (HG) (3.4.6) undo Tags: Huggle Rollback

14 March 2024

28 January 2024

29 July 2023

12 May 2023

17 April 2023

21 January 2023

6 December 2022

2 December 2022

20 October 2022

26 August 2022

17 August 2022

9 March 2022

18 February 2022

26 January 2022

8 January 2022

3 August 2021

2 August 2021

17 January 2021

22 November 2020

17 August 2020

12 August 2020

30 June 2020

23 May 2020

23 March 2020

24 January 2020

19 December 2019

31 October 2019

20 October 2019

19 October 2019

15 October 2019

12 October 2019

4 October 2019

22 June 2019

29 April 2019