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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 07:4007:40, 25 February 2024‎ 2601:47:4501:f8a0:c1e1:cf59:cf63:9279 talk‎ 7,942 bytes +8‎ fix undo

curprev 02:1702:17, 16 July 2023‎ 98.20.69.144 talk‎ 7,934 bytes +4‎ No edit summary undo

curprev 12:4612:46, 15 February 2023‎ SchwaWolf talk contribs‎ m 7,930 bytes +1‎ fix typo undo

curprev 18:2318:23, 12 February 2023‎ BurkeFT talk contribs‎ 7,929 bytes +95‎ →‎Refinement: The refinement relation is not a preorder because it is irreflexive. undo

curprev 15:5315:53, 8 February 2023‎ Goodphy talk contribs‎ 7,834 bytes +54‎ →‎Cover in topology: Added what an open cover is in the introductory section. undo Tag: Visual edit

curprev 19:5619:56, 7 February 2023‎ Mgkrupa talk contribs‎ 7,780 bytes +15‎ Linked to Families of sets undo
curprev 19:5519:55, 7 February 2023‎ Mgkrupa talk contribs‎ 7,765 bytes +30‎ added Category:Families of sets using HotCat undo

curprev 17:1917:19, 5 February 2023‎ Goodphy talk contribs‎ 7,735 bytes +83‎ Added what subcovers are in the introductory section. undo Tag: Visual edit
curprev 17:0717:07, 5 February 2023‎ Goodphy talk contribs‎ 7,652 bytes +36‎ Mentioned that U_alpha is indexed by the set A. undo Tag: Visual edit

curprev 15:2015:20, 31 December 2022‎ 1234qwer1234qwer4 talk contribs‎ m 7,616 bytes −10‎ →‎Cover in topology: not talking about open sets here yet undo

curprev 22:5722:57, 13 December 2022‎ 2601:204:d101:4c60:5d22:5f43:90e4:f00d talk‎ 7,626 bytes +121‎ →‎See also undo

curprev 14:3714:37, 22 October 2022‎ Stca74 talk contribs‎ 7,505 bytes +253‎ Edited the lead for more clarity and better agreement with sources undo

curprev 14:0214:02, 22 June 2022‎ ApoorvPotnis2000 talk contribs‎ 7,252 bytes 0‎ →‎Covering dimension undo Tag: Visual edit

curprev 04:1904:19, 8 February 2022‎ ChromeGames talk contribs‎ m 7,252 bytes +63‎ Adding local short description: "Subsets whose union equals the whole set", overriding Wikidata description "family of subsets of a set whose union equals the whole set" (Shortdesc helper) undo

curprev 12:4112:41, 10 January 2022‎ Ryanangch talk contribs‎ 7,189 bytes −46‎ No edit summary undo

curprev 19:4019:40, 11 December 2021‎ ApoorvPotnis2000 talk contribs‎ 7,235 bytes +6‎ →‎Refinement undo
curprev 19:3619:36, 11 December 2021‎ ApoorvPotnis2000 talk contribs‎ 7,229 bytes 0‎ →‎References undo

curprev 23:4823:48, 17 September 2021‎ Yangwenbo99 talk contribs‎ m 6,828 bytes +15‎ →‎Cover in topology: for the consistence of symbols undo

curprev 21:4321:43, 6 September 2021‎ ApoorvPotnis2000 talk contribs‎ 6,813 bytes +8‎ →‎Cover in topology undo
curprev 21:4221:42, 6 September 2021‎ ApoorvPotnis2000 talk contribs‎ 6,805 bytes −1‎ →‎Cover in topology undo

curprev 23:5823:58, 20 May 2021‎ Clarityfiend talk contribs‎ 6,806 bytes −48‎ →‎top: -hatnote per WP:NAMB undo

curprev 23:4223:42, 17 February 2021‎ 90.227.86.119 talk‎ 6,854 bytes +28‎ →‎See also: Added the article on Grothendieck topologies to the "See also" list, since the notion of open covers is absolutely central there undo

curprev 09:3509:35, 16 January 2021‎ AquitaneHungerForce talk contribs‎ m 6,826 bytes +72‎ →‎Refinement: Math formatting undo

curprev 12:2512:25, 9 December 2020‎ Lennart97 talk contribs‎ m 6,754 bytes +27‎ Disambiguated: Cover undo

curprev 19:0019:00, 30 November 2020‎ 2607:f2c0:e576:566:3132:d504:825c:ba0c talk‎ 6,727 bytes 0‎ →‎Cover in topology: Fixed the prior edit, A is the index set of C as defined at the top of the page, I changed one line back to how it was previously (alpha in A) and changed the first equation in the section to have subscript (alpha in A) instead of (alpha in C) undo
curprev 18:5518:55, 30 November 2020‎ 2607:f2c0:e576:566:3132:d504:825c:ba0c talk‎ 6,727 bytes 0‎ →‎Cover in topology: changed A to C, which was probably a typo originally. A was never defined and the proper definition should be alpha in C, as is used in the equation above. undo

curprev 01:1001:10, 19 November 2020‎ Mgkrupa talk contribs‎ m 6,727 bytes +21‎ Added {{Other uses|}} undo
curprev 01:0801:08, 19 November 2020‎ Mgkrupa talk contribs‎ 6,706 bytes +185‎ Made article more complaint with Wikipedia:Manual of Style/Mathematics. The symbols ∀, ∃, and ⇔ and abbreviations such as "iff" and "s.t." should NOT be used unnecessarily. Copy editing. undo

curprev 05:0305:03, 13 October 2020‎ Tea2min talk contribs‎ 6,521 bytes 0‎ Undid revision 983227226 by 110.146.203.223 (talk) undo Tag: Undo
curprev 00:4400:44, 13 October 2020‎ 110.146.203.223 talk‎ 6,521 bytes 0‎ →‎Cover in topology undo Tag: Reverted

curprev 19:5919:59, 23 May 2020‎ HyRotor talk contribs‎ 6,521 bytes 0‎ No edit summary undo

curprev 04:4104:41, 14 April 2020‎ Tea2min talk contribs‎ 6,521 bytes 0‎ Undid revision 950783951 by 2600:8800:1585:B200:A8CE:2BB3:BFBE:7EB4 (talk): It was right before. undo Tag: Undo

curprev 20:3420:34, 13 April 2020‎ 2600:8800:1585:b200:a8ce:2bb3:bfbe:7eb4 talk‎ 6,521 bytes 0‎ →‎Cover in topology undo

curprev 18:2718:27, 3 November 2019‎ Joel Brennan talk contribs‎ m 6,521 bytes +26‎ minor formatting undo

curprev 11:1411:14, 30 October 2019‎ 31.33.164.250 talk‎ 6,495 bytes +160‎ No edit summary undo

curprev 12:2212:22, 14 September 2019‎ Dionyziz talk contribs‎ 6,335 bytes 0‎ →‎Subcover undo

curprev 15:0615:06, 28 August 2019‎ Diwasnork talk contribs‎ m 6,335 bytes +11‎ →‎Refinement: (a_n, b_1) is not contained in any (a_i, a_{i+1}) undo

curprev 14:1414:14, 29 January 2018‎ 129.132.31.108 talk‎ 6,324 bytes +3‎ →‎Refinement undo

curprev 12:3312:33, 7 January 2018‎ 210.148.125.219 talk‎ 6,321 bytes 0‎ →‎Cover in topology undo

curprev 18:0518:05, 14 November 2017‎ Krauss talk contribs‎ 6,321 bytes +24‎ →‎See also undo Tag: 2017 wikitext editor

curprev 11:3411:34, 3 June 2017‎ Magic links bot talk contribs‎ m 6,297 bytes +4‎ Replace magic links with templates per local RfC and MediaWiki RfC undo

curprev 20:3420:34, 5 May 2017‎ LilHelpa talk contribs‎ m 6,293 bytes +1‎ clean up, typo(s) fixed: a open → an open using AWB undo

curprev 11:0411:04, 20 November 2016‎ Lambda2012 talk contribs‎ 6,292 bytes +1‎ →‎Subcover undo

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