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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 06:0706:07, 25 April 2024‎ CrystalBlacksmith talk contribs‎ m 21,365 bytes +3‎ Fixing style/layout errors - unclosed bold tag undo

curprev 06:3806:38, 19 April 2024‎ Logic314 talk contribs‎ 21,362 bytes +84‎ →‎Examples undo
curprev 06:2706:27, 19 April 2024‎ Logic314 talk contribs‎ 21,278 bytes −37‎ →‎Examples undo
curprev 00:0900:09, 19 April 2024‎ Logic314 talk contribs‎ m 21,315 bytes −7‎ →‎Examples undo
curprev 00:0800:08, 19 April 2024‎ Logic314 talk contribs‎ 21,322 bytes +269‎ →‎Examples undo Tag: Disambiguation links added

curprev 17:5817:58, 18 April 2024‎ Logic314 talk contribs‎ 21,053 bytes +251‎ →‎Types of morphisms undo
curprev 05:3605:36, 18 April 2024‎ Logic314 talk contribs‎ m 20,802 bytes −101‎ →‎Examples undo
curprev 05:3105:31, 18 April 2024‎ Logic314 talk contribs‎ 20,903 bytes +236‎ →‎Examples undo

curprev 21:4021:40, 19 March 2024‎ SirFireball3521 talk contribs‎ m 20,667 bytes −1‎ →‎Definition: extra ' removed undo

curprev 07:2707:27, 5 March 2024‎ Jlwoodwa talk contribs‎ m 20,668 bytes +24‎ →‎References: {{refbegin}} undo

curprev 14:5614:56, 19 February 2024‎ Dark-World25 talk contribs‎ m 20,644 bytes −19‎ Reverted edits by 170.55.139.222 (talk) (HG) (3.4.10) undo Tags: Huggle Rollback
curprev 14:5614:56, 19 February 2024‎ 170.55.139.222 talk‎ 20,663 bytes +19‎ →‎Definition undo Tag: Reverted

curprev 12:2612:26, 18 October 2023‎ ElegiaLi talk contribs‎ 20,644 bytes 0‎ →‎Definition: Fix typo undo

curprev 16:3016:30, 16 July 2023‎ John Baez talk contribs‎ 20,644 bytes +32‎ No edit summary undo
curprev 16:2916:29, 16 July 2023‎ John Baez talk contribs‎ 20,612 bytes −10‎ →‎Definition undo
curprev 16:2116:21, 16 July 2023‎ John Baez talk contribs‎ 20,622 bytes +2‎ →‎Definition undo
curprev 16:2016:20, 16 July 2023‎ John Baez talk contribs‎ 20,620 bytes +63‎ →‎Definition undo

curprev 16:4616:46, 1 April 2023‎ Thatsme314 talk contribs‎ 20,557 bytes +34‎ →‎References: add Category:Algebraic structures undo

curprev 08:5108:51, 10 March 2023‎ 23.184.64.55 talk‎ 20,523 bytes +230‎ →‎Definition undo Tags: Mobile edit Mobile web edit

curprev 22:0222:02, 14 February 2023‎ 80.142.130.8 talk‎ 20,293 bytes −2‎ →‎Definition undo

curprev 18:2218:22, 1 May 2022‎ Ordinest talk contribs‎ 20,295 bytes +24‎ →‎Definition undo

curprev 21:4721:47, 3 November 2021‎ Pineapplemonk talk contribs‎ m 20,271 bytes −13‎ Undid revision 1053436188 by Pineapplemonk (talk) undo Tag: Undo
curprev 21:4521:45, 3 November 2021‎ Pineapplemonk talk contribs‎ m 20,284 bytes +13‎ Tiny grammatical change undo Tag: Reverted

curprev 18:4818:48, 16 August 2021‎ Netrapt talk contribs‎ m 20,271 bytes −1‎ →‎Examples: ft: "can not multiple" -> "cannot multiply", since can and cannot govern a V (multiply), not the N (multiple) undo

curprev 11:5811:58, 18 March 2021‎ Tom.Reding talk contribs‎ m 20,272 bytes +22‎ +{{Authority control}} (3 IDs from Wikidata), WP:GenFixes on undo Tag: AWB

curprev 18:3518:35, 6 March 2021‎ PhS talk contribs‎ m 20,250 bytes +28‎ polish Short description, as per WP:SHORTDESC undo

curprev 02:4902:49, 20 January 2021‎ Huggums537 talk contribs‎ m 20,222 bytes +74‎ Adding local short description: "Collection of "objects" that are linked by "arrows"", overriding Wikidata description "algebraic structure of objects and morphisms between objects, which can be associatively composed if the (co)domains agree" (Shortdesc helper) undo

curprev 16:0116:01, 3 January 2021‎ 49.36.224.212 talk‎ 20,148 bytes +61‎ →‎Definition undo
curprev 16:0016:00, 3 January 2021‎ 49.36.224.212 talk‎ 20,087 bytes +166‎ →‎Definition undo

curprev 19:2419:24, 2 January 2021‎ 70.171.155.43 talk‎ 19,921 bytes +160‎ Reword sentence-within-sentence construction; make domain and codomain maps explicit. undo Tag: Visual edit

curprev 19:1319:13, 26 November 2020‎ Monkbot talk contribs‎ m 19,761 bytes −10‎ Task 18 (cosmetic): eval 11 templates: del empty params (1×); undo Tag: AWB

curprev 01:3901:39, 23 November 2020‎ Ebony Jackson talk contribs‎ 19,771 bytes +4‎ →‎Definition: The identity axiom was incorrectly stated, so it is being fixed. ("For all x in X and y in Y, P(x) and Q(y)" is not logically the same as "For all x in X, P(x) and for all y in Y, Q(y)" because X or Y could be empty.) undo

curprev 18:0418:04, 3 September 2020‎ IntegralPython talk contribs‎ m 19,767 bytes −55‎ Undid revision 976569311 by IntegralPython (talk) self revert undo Tag: Undo
curprev 18:0218:02, 3 September 2020‎ IntegralPython talk contribs‎ 19,822 bytes +55‎ Adding local short description: "Foundational mathematical theory", overriding Wikidata description "algebraic structure" (Shortdesc helper) undo

curprev 21:2121:21, 8 August 2020‎ Deacon Vorbis talk contribs‎ 19,767 bytes −452‎ →‎History: Sourcing this to the paper itself is WP:OR; there were certainly precursors anyway; what's probably meant is the modern axiomatic treatment...but that still needs a secondary source undo
curprev 21:0921:09, 8 August 2020‎ Deacon Vorbis talk contribs‎ 20,219 bytes +54‎ →‎top: hatnote undo

curprev 15:1915:19, 29 April 2020‎ Headbomb talk contribs‎ 20,165 bytes −9‎ Alter: journal. Add: location. Removed parameters. Some additions/deletions were actually parameter name changes. | You can use this tool yourself. Report bugs here. | via #UCB_Gadget undo

curprev 23:1223:12, 9 April 2020‎ RDBrown talk contribs‎ 20,174 bytes +112‎ →Cite journal, harvnb, tweak cites undo

curprev 16:0516:05, 23 March 2020‎ 2001:861:3ac0:4fa0:cca0:a828:d975:ff11 talk‎ 20,062 bytes +16‎ →‎Examples undo

curprev 20:3820:38, 3 January 2020‎ 73.168.5.183 talk‎ 20,046 bytes −50‎ →‎Small and large categories undo

curprev 01:5801:58, 4 December 2019‎ 8m2k1 talk contribs‎ 20,096 bytes +1,047‎ →‎Examples undo

curprev 02:5602:56, 22 November 2019‎ Comfr talk contribs‎ 19,049 bytes +105‎ +monoids undo

curprev 05:3105:31, 17 September 2019‎ BrownHairedGirl talk contribs‎ m 18,944 bytes −8‎ replace link to deleted Portal:Category theory with Portal:Mathematics undo Tag: AWB

curprev 00:1500:15, 16 September 2019‎ Allforrous talk contribs‎ 18,952 bytes 0‎ new key for Category:Category theory: "*" using HotCat undo

curprev 04:1304:13, 8 September 2019‎ InternetArchiveBot talk contribs‎ 18,952 bytes +12‎ Bluelinking 1 books for verifiability.) #IABot (v2.1alpha3 undo

curprev 18:5218:52, 14 July 2019‎ Viewratio talk contribs‎ 18,940 bytes +709‎ Reverted good faith edits by 2600:1010:B149:7495:CC0C:9BF1:73F9:10F5 (talk): Section blanking (TW) undo Tag: Undo
curprev 18:5218:52, 14 July 2019‎ 2600:1010:b149:7495:cc0c:9bf1:73f9:10f5 talk‎ 18,231 bytes −709‎ Added content undo Tags: section blanking Mobile edit Mobile web edit

curprev 22:3122:31, 7 July 2019‎ Joel Brennan talk contribs‎ m 18,940 bytes +1‎ No edit summary undo

curprev 21:4821:48, 25 June 2019‎ 190.102.147.249 talk‎ 18,939 bytes 0‎ No edit summary undo

curprev 16:5816:58, 24 June 2019‎ Jamgoodman talk contribs‎ 18,939 bytes 0‎ →‎Examples: alphabetised list undo Tag: Visual edit

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