Union (set theory): Revision history

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curprev 02:5902:59, 23 February 2024‎ Quondum talk contribs‎ 9,559 bytes +175‎ fmt fixes undo

curprev 13:5713:57, 20 January 2024‎ Tpbradbury talk contribs‎ 9,384 bytes −38‎ →‎External links: alphabetise categories undo

curprev 09:1509:15, 28 November 2023‎ Jochen Burghardt talk contribs‎ 9,422 bytes −13‎ Undid revision 1187285505 by 102.90.43.36 (talk) undo Tag: Undo
curprev 08:3708:37, 28 November 2023‎ 102.90.43.36 talk‎ 9,435 bytes +13‎ Compliment of a set difference undo Tags: Reverted Visual edit Mobile edit Mobile web edit

curprev 23:4923:49, 29 March 2023‎ HeyElliott talk contribs‎ 9,422 bytes +233‎ Clean up/copyedit undo Tag: Visual edit

curprev 13:1713:17, 10 March 2023‎ Jochen Burghardt talk contribs‎ 9,189 bytes −21‎ →‎External links: now in side tab undo

curprev 23:0623:06, 8 February 2023‎ Tridwoxi talk contribs‎ 9,210 bytes +80‎ →‎Notation encoding: added notation for bigcup undo Tag: 2017 wikitext editor

curprev 03:4003:40, 17 August 2022‎ C7XWiki talk contribs‎ 9,130 bytes +17‎ Terminology →‎Union of two sets undo

curprev 00:3200:32, 7 August 2022‎ Mgkrupa talk contribs‎ 9,113 bytes +42‎ →‎External links undo
curprev 00:2500:25, 7 August 2022‎ Mgkrupa talk contribs‎ 9,071 bytes +189‎ →‎See also undo

curprev 23:4423:44, 6 August 2022‎ Mgkrupa talk contribs‎ 8,882 bytes +23‎ Added {{Mathematical logic}} undo

curprev 17:2717:27, 1 August 2022‎ JayBeeEll talk contribs‎ 8,859 bytes −443‎ Restored revision 1092843369 by JayBeeEll (talk): Rv pointless and weird infobox (is a definition a "mathematical statement"? I guess technically but it's surely not the intent of the box) and bizarre IP edits undo Tags: Twinkle Undo
curprev 07:4607:46, 1 August 2022‎ 122.161.72.42 talk‎ 9,302 bytes +115‎ →‎Notations undo Tag: Reverted
curprev 07:4307:43, 1 August 2022‎ 122.161.72.42 talk‎ 9,187 bytes 0‎ →‎Notations undo Tag: Reverted
curprev 07:4307:43, 1 August 2022‎ 122.161.72.42 talk‎ 9,187 bytes +7‎ →‎Notations undo Tag: Reverted

curprev 16:4216:42, 20 June 2022‎ SamanthaNguyen talk contribs‎ 9,180 bytes +321‎ + Template:Infobox mathematical statement, move image into infobox undo Tags: Reverted 2017 wikitext editor

curprev 23:4523:45, 12 June 2022‎ JayBeeEll talk contribs‎ 8,859 bytes −50‎ Undid revision 1092816514 by 73.223.72.200 (talk) no, arbitrary unions are not (finite) iterations of binary unions undo Tag: Undo
curprev 19:5419:54, 12 June 2022‎ 73.223.72.200 talk‎ 8,909 bytes +50‎ →‎Arbitrary unions: {{Further information|Iterated binary operation}} undo Tag: Reverted

curprev 20:1820:18, 2 March 2022‎ TartarTorte talk contribs‎ m 8,859 bytes −1‎ Reverted edits by 2003:E7:8F04:2400:A511:39D5:205B:3B3 (talk): editing tests (HG) (3.4.10) undo Tag: Rollback
curprev 20:1820:18, 2 March 2022‎ 2003:e7:8f04:2400:a511:39d5:205b:3b3 talk‎ 8,860 bytes +1‎ →‎Union of two sets undo Tag: Reverted

curprev 20:4120:41, 23 January 2022‎ David Eppstein talk contribs‎ 8,859 bytes −2‎ maybe vaguer "Set of elements in any of some sets" undo
curprev 20:4120:41, 23 January 2022‎ David Eppstein talk contribs‎ 8,861 bytes −14‎ replace shortdesc "Set of elements in either of two sets" undo

curprev 03:1303:13, 5 December 2021‎ Mgkrupa talk contribs‎ 8,875 bytes +174‎ Added {{See also|}} and copy editing. undo

curprev 22:4322:43, 29 October 2021‎ MrOllie talk contribs‎ 8,701 bytes −227‎ See Wikipedia_talk:WikiProject_Spam#Mass_spam_of_mathvault.ca undo

curprev 12:3412:34, 25 June 2021‎ Tea2min talk contribs‎ 8,928 bytes −1‎ Undid revision 1030352192 by 2406:B400:D1:A2C0:747D:7566:D7D0:33B4 (talk): ? undo Tag: Undo
curprev 11:4711:47, 25 June 2021‎ 2406:b400:d1:a2c0:747d:7566:d7d0:33b4 talk‎ 8,929 bytes +1‎ No edit summary undo Tag: Reverted

curprev 16:5716:57, 6 May 2021‎ CmdrDan talk contribs‎ 8,928 bytes +29‎ added Category:Boolean algebra using HotCat undo
curprev 16:5716:57, 6 May 2021‎ CmdrDan talk contribs‎ 8,899 bytes +24‎ added Category:Set theory using HotCat undo

curprev 18:4618:46, 2 May 2021‎ Brenkiald talk contribs‎ 8,875 bytes +38‎ Added {{Improve categories}} tag undo Tag: Twinkle
curprev 18:4518:45, 2 May 2021‎ Brenkiald talk contribs‎ 8,837 bytes +2‎ →‎Notes undo

curprev 20:5620:56, 24 April 2021‎ Mgkrupa talk contribs‎ 8,835 bytes +167‎ Added {{anchor|}} undo

curprev 13:3913:39, 22 March 2021‎ JayBeeEll talk contribs‎ m 8,668 bytes −1‎ →‎Algebraic properties undo

curprev 04:0804:08, 18 March 2021‎ Ebony Jackson talk contribs‎ m 8,669 bytes +7‎ →‎Algebraic properties: It was an accidentally deleted word, not a spelling error! Anyway, thank you to whoever caught it. undo

curprev 22:1022:10, 17 March 2021‎ 109.9.108.179 talk‎ 8,662 bytes 0‎ Fix a typing error undo Tag: Visual edit: Switched

curprev 01:4101:41, 16 March 2021‎ Ebony Jackson talk contribs‎ 8,662 bytes +15‎ →‎Algebraic properties: One must fix a universe to get a Boolean algebra. It is confusing to use C for a set and to denote complement. Give the identities involving only union first. undo

curprev 07:0707:07, 4 February 2021‎ 157.43.177.127 talk‎ 8,647 bytes −1‎ →‎Arbitrary unions undo Tag: Manual revert
curprev 07:0507:05, 4 February 2021‎ 157.43.177.127 talk‎ 8,648 bytes +1‎ →‎Arbitrary unions undo Tag: Reverted

curprev 04:5204:52, 19 January 2021‎ Huggums537 talk contribs‎ m 8,647 bytes +74‎ Adding local short description: "Mathematical operation where sets combine or relate", overriding Wikidata description "operation in set theory; union (denoted by ∪) of a collection of sets is the set of all distinct elements in the collection" (Shortdesc helper) undo

curprev 23:3723:37, 10 January 2021‎ Beland talk contribs‎ 8,573 bytes +151‎ new section: Notation encoding undo

curprev 02:4002:40, 27 December 2020‎ Monkbot talk contribs‎ m 8,422 bytes +6‎ Task 18 (cosmetic): eval 9 templates: hyphenate params (6×); undo Tag: AWB

curprev 22:5122:51, 17 December 2020‎ Tarnoob talk contribs‎ 8,416 bytes −41‎ →‎External links: cat. undo

curprev 13:4213:42, 24 November 2020‎ 186.12.245.66 talk‎ 8,457 bytes +55‎ Added idempotence undo

curprev 02:3202:32, 11 November 2020‎ Mgkrupa talk contribs‎ m 8,402 bytes +43‎ →‎See also undo

curprev 11:0411:04, 15 October 2020‎ ClueBot NG talk contribs‎ m 8,359 bytes −28‎ Reverting possible vandalism by 51.195.62.223 to version by JayBeeEll. Report False Positive? Thanks, ClueBot NG. (3798258) (Bot) undo Tag: Rollback
curprev 11:0411:04, 15 October 2020‎ 51.195.62.223 talk‎ 8,387 bytes +28‎ .... undo Tags: Reverted Visual edit Mobile edit Mobile web edit adding email address

curprev 19:4619:46, 5 September 2020‎ JayBeeEll talk contribs‎ 8,359 bytes −7‎ Undid revision 976796725 by Miaumee (talk) undo minor damage from last edit undo
curprev 02:2802:28, 5 September 2020‎ Miaumee talk contribs‎ 8,366 bytes +666‎ General revision throughout the page. Improved inline citations. Rephrased sentences to prevent flow disruption. Wikilinked "universal set" to "universe (mathematics)" and "intersection" to "intersection (set)". Minor punctuation fixes. Broken down lengthy sentences and paragraphs. Added "algebra of sets" and "axiom of union" to See Also. Removed the MathWorld entry from External Links (being inline-cited already). undo Tag: Visual edit

curprev 14:5414:54, 12 July 2020‎ Deacon Vorbis talk contribs‎ 7,700 bytes −199‎ Undid revision 967311747 by Shubhamsharma1911 (talk) spam link + there's already a better-written example undo Tag: Undo
curprev 14:3814:38, 12 July 2020‎ Shubhamsharma1911 talk contribs‎ m 7,899 bytes +199‎ i have added an example undo Tag: Visual edit

curprev 15:3315:33, 18 April 2020‎ 160.238.74.180 talk‎ 7,700 bytes +3‎ →‎Union of two sets undo Tags: Mobile edit Mobile web edit

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