Open set: Revision history

16 April 2024

• curprev 13:1213:12, 16 April 2024‎ Allan Nonymous talk contribs‎ 29,105 bytes −31‎ No edit summary undo Tag: Visual edit

27 December 2023

• curprev 15:4815:48, 27 December 2023‎ PicoMath talk contribs‎ 29,136 bytes +51‎ I think #Definitions_and_Terminology would be a more fitting section to put it in undo Tag: Visual edit: Switched

19 September 2023

• curprev 15:1215:12, 19 September 2023‎ Cewbot talk contribs‎ 29,085 bytes 0‎ Fixing broken anchor: 2023-09-19 (VERY DIFFERENT 14≥11) #Terminology→Interval (mathematics)#Definitions undo

1 August 2023

• curprev 11:0011:00, 1 August 2023‎ D.Lazard talk contribs‎ 29,085 bytes −62‎ Reverted 1 edit by Starlighsky (talk) undo Tags: Twinkle Undo

31 July 2023

• curprev 19:3819:38, 31 July 2023‎ Starlighsky talk contribs‎ 29,147 bytes +62‎ Added mathematical description for what is being described. undo Tags: Reverted Visual edit

2 July 2023

• curprev 08:4308:43, 2 July 2023‎ Adumbrativus talk contribs‎ 29,085 bytes +1‎ Undid revision 1162929580 by 73.228.138.52 (talk) undo Tag: Undo

1 July 2023

• curprev 23:2323:23, 1 July 2023‎ 73.228.138.52 talk‎ 29,084 bytes −1‎ →‎Motivation undo Tag: Reverted

26 June 2023

• curprev 17:5217:52, 26 June 2023‎ Vivek Ray talk contribs‎ m 29,085 bytes −7‎ Disambiguating links to Collection (link changed to Set (mathematics)) using DisamAssist. undo

16 June 2023

• curprev 00:2500:25, 16 June 2023‎ Obtuse Wombat talk contribs‎ 29,092 bytes +8‎ Reword for readability. undo

19 May 2023

• curprev 03:1003:10, 19 May 2023‎ Cngzz1 talk contribs‎ m 29,084 bytes +211‎ Add links and references. undo Tag: Disambiguation links added

8 February 2023

• curprev 19:4219:42, 8 February 2023‎ TrippingTroubadour talk contribs‎ m 28,873 bytes +2‎ "open interval" → "an open interval" undo

31 December 2022

• curprev 10:3410:34, 31 December 2022‎ 76.125.192.226 talk‎ 28,871 bytes +6‎ Added "along with" to make it slightly clearer that—insofar as I currently understand—an open set contains both "the points you expect", *and* "the points near any point". undo

27 December 2022

• curprev 10:5810:58, 27 December 2022‎ Hooman Mallahzadeh talk contribs‎ 28,865 bytes +7‎ No edit summary undo
• curprev 09:1409:14, 27 December 2022‎ Hooman Mallahzadeh talk contribs‎ 28,858 bytes −12‎ No edit summary undo
• curprev 09:0409:04, 27 December 2022‎ Hooman Mallahzadeh talk contribs‎ m 28,870 bytes −3‎ No edit summary undo
• curprev 08:5908:59, 27 December 2022‎ Hooman Mallahzadeh talk contribs‎ 28,873 bytes +2‎ Singular. undo
• curprev 06:2106:21, 27 December 2022‎ Hooman Mallahzadeh talk contribs‎ 28,871 bytes −1‎ Singular. undo
• curprev 05:4405:44, 27 December 2022‎ Hooman Mallahzadeh talk contribs‎ m 28,872 bytes 0‎ Singular. undo

28 November 2022

• curprev 05:2705:27, 28 November 2022‎ Fgnievinski talk contribs‎ 28,872 bytes +51‎ →‎See also undo Tag: 2017 wikitext editor

30 September 2022

• curprev 13:3013:30, 30 September 2022‎ D.Lazard talk contribs‎ m 28,821 bytes +2‎ Reverted 1 edit by 125.27.98.166 (talk) to last revision by 144.178.143.171 undo Tags: Twinkle Undo
• curprev 13:0313:03, 30 September 2022‎ 125.27.98.166 talk‎ 28,819 bytes −2‎ Undid revision 1106199483 by 144.178.143.171 (talk) undo Tags: Undo Reverted

23 August 2022

• curprev 16:3216:32, 23 August 2022‎ 144.178.143.171 talk‎ 28,821 bytes +2‎ Fix typo about clopen subsets undo Tag: Reverted

2 June 2022

• curprev 11:5611:56, 2 June 2022‎ D.Lazard talk contribs‎ 28,819 bytes −7‎ Reverted 1 edit by 5.145.128.135 (talk) undo Tags: Twinkle Undo
• curprev 11:1411:14, 2 June 2022‎ 5.145.128.135 talk‎ 28,826 bytes +7‎ small correction undo Tag: Reverted

27 May 2022

• curprev 11:3411:34, 27 May 2022‎ D.Lazard talk contribs‎ 28,819 bytes −124‎ Reverted 2 edits by 80.245.232.43 (talk): Not an improvement (adds textbook style, useless technicalities undo Tags: Twinkle Undo
• curprev 10:5510:55, 27 May 2022‎ 80.245.232.43 talk‎ 28,943 bytes −7‎ Perhaps there was a reason for using fractions, but this seems simpler undo Tag: Reverted
• curprev 10:2310:23, 27 May 2022‎ 80.245.232.43 talk‎ 28,950 bytes +131‎ Explain the restriction to intersections of finitely many sets in terms of why topologies were defined that way. Makes it clearer that it's by definition rather than a consequence. undo Tag: Reverted
• curprev 09:5309:53, 27 May 2022‎ D.Lazard talk contribs‎ 28,819 bytes −24‎ →‎top: simpler wording undo
• curprev 09:5309:53, 27 May 2022‎ 80.245.232.43 talk‎ 28,843 bytes −128‎ Instead of defining tau in terms of open sets, just say once that everything in tau is called an open set. Think that gives less potential for circular confusion. undo
• curprev 08:5008:50, 27 May 2022‎ 80.245.232.43 talk‎ 28,971 bytes −4‎ Fix "set set" typo undo
• curprev 08:5008:50, 27 May 2022‎ 80.245.232.43 talk‎ 28,975 bytes +41‎ Give a more explicit short description for metric spaces undo
• curprev 08:4608:46, 27 May 2022‎ 80.245.232.43 talk‎ 28,934 bytes +12‎ Italize ε undo
• curprev 08:2908:29, 27 May 2022‎ 80.245.232.43 talk‎ 28,922 bytes +1‎ Have "In a metric space ...", "More generally ...", "In practice ..." as three parallel paragraphs undo

26 May 2022

• curprev 18:1318:13, 26 May 2022‎ 80.245.232.43 talk‎ 28,921 bytes −15‎ "and satisfy the axioms given below" followed by "more precisely" seems odd undo
• curprev 18:0018:00, 26 May 2022‎ 80.245.232.43 talk‎ 28,936 bytes −16‎ Example uses R, not R^2 undo
• curprev 17:5817:58, 26 May 2022‎ 80.245.232.43 talk‎ 28,952 bytes +290‎ Try to give some intuition for why sets are open undo
• curprev 17:1817:18, 26 May 2022‎ 80.245.232.43 talk‎ 28,662 bytes 0‎ Say "any" instead of "all" undo
• curprev 17:1717:17, 26 May 2022‎ 80.245.232.43 talk‎ 28,662 bytes −7‎ Thought this was clearer than "as soon as" undo

9 March 2022

• curprev 13:5913:59, 9 March 2022‎ Rchard2scout talk contribs‎ m 28,669 bytes +9‎ Fix lint errors undo

6 March 2022

• curprev 00:4400:44, 6 March 2022‎ Goodphy talk contribs‎ 28,660 bytes −21‎ →‎Metric space: Clarified the open set definition for metric spaces. undo Tag: Visual edit

25 January 2022

• curprev 21:5821:58, 25 January 2022‎ Hellacioussatyr talk contribs‎ 28,681 bytes +2‎ →‎Topological space undo Tag: 2017 wikitext editor

23 September 2021

• curprev 17:3017:30, 23 September 2021‎ D.Lazard talk contribs‎ 28,679 bytes −35‎ Reverted 2 edits by Jacobolus (talk): Open sets can be encountered in almost every area of mathematics. It is confusing to suggest the contrary undo Tags: Twinkle Undo
• curprev 17:2217:22, 23 September 2021‎ Jacobolus talk contribs‎ m 28,714 bytes +8‎ No edit summary undo Tag: Reverted
• curprev 17:2117:21, 23 September 2021‎ Jacobolus talk contribs‎ m 28,706 bytes +27‎ we can be more specific than 'mathematics' undo Tag: Reverted

12 September 2021

• curprev 21:3321:33, 12 September 2021‎ Citation bot talk contribs‎ 28,679 bytes +24‎ Add: chapter-url. Removed or converted URL. | Use this bot. Report bugs. | Suggested by Abductive | Category:General topology | #UCB_Category 55/174 undo

14 August 2021

• curprev 15:2215:22, 14 August 2021‎ Joel Brennan talk contribs‎ m 28,655 bytes +168‎ added wikilinks to introduction of article undo

6 July 2021

• curprev 14:2514:25, 6 July 2021‎ D.Lazard talk contribs‎ 28,487 bytes +9‎ Reverted 1 edit by Hashirkashif123 (talk): Definitively wrong. user:Hashirkashif123, please stop editing short descriptions on subjects that you do not master undo Tags: Twinkle Undo
• curprev 14:1214:12, 6 July 2021‎ Hashirkashif123 talk contribs‎ 28,478 bytes −9‎ No edit summary undo Tags: Reverted Mobile edit Mobile app edit Android app edit

18 May 2021

• curprev 20:4720:47, 18 May 2021‎ CiaPan talk contribs‎ m 28,487 bytes −2‎ Reverted 1 edit by 62.214.191.65 (talk) to last revision by DoebLoggs undo Tags: Twinkle Undo
• curprev 07:0307:03, 18 May 2021‎ 62.214.191.65 talk‎ 28,489 bytes +2‎ نتز undo Tags: Reverted Visual edit Mobile edit Mobile web edit