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28 May 2025
- diffhist Module:Labelled list hatnote 18:18 +127 Ahecht talk contribs (Exclude section anchors from ifexists, properly show "no input" error message when ifexists=true)
- diffhist Template:See also 13:34 +15 Ahecht talk contribs (ifexists={{{ifexists|true}}})
- diffhist If and only if 00:36 −636 ZergTwo talk contribs (Restored revision 1288084902 by Marc Schroeder (talk): That does not belong in the lead.) Tags: Twinkle Undo
- diffhist Image (mathematics) 00:00 0 172.56.169.180 talk (→Properties) Tag: Manual revert
27 May 2025
- diffhist Image (mathematics) 23:57 0 172.56.169.180 talk (→General) Tag: Reverted
- diffhist If and only if 19:40 +15 Lindsay658 talk contribs (→See also) Tag: Reverted
- diffhist If and only if 19:40 +15 Lindsay658 talk contribs (→See also) Tag: Reverted
- diffhist If and only if 19:40 +15 Lindsay658 talk contribs (→See also) Tag: Reverted
- diffhist If and only if 19:39 +15 Lindsay658 talk contribs (→See also) Tag: Reverted
- diffhist If and only if 19:39 +16 Lindsay658 talk contribs (→See also) Tag: Reverted
- diffhist If and only if 19:39 +16 Lindsay658 talk contribs (→See also) Tag: Reverted
- diffhist If and only if 19:38 +16 Lindsay658 talk contribs (→See also) Tag: Reverted
- diffhist If and only if 08:47 +1 81.255.105.59 talk Tag: Reverted
- diffhist If and only if 08:44 +527 81.255.105.59 talk (I added a plain English explanation to the introduction based on the simple example "I will wear my coat if it rains" as a preamble to the mathematical discussion) Tag: Reverted
26 May 2025
- diffhist Exceptional isomorphism 09:20 +47 LucasBrown talk contribs (Added short description) Tags: Mobile edit Mobile app edit Android app edit App description add
- diffhist Kernel (algebra) 07:11 −877 Gramix13 talk contribs (→Group homomorphisms: Removed proof of kernels being trivial iff the homomorphism is injective due to the proof not being illuminating per WP:CALC)
25 May 2025
- diffhist m Mathematics 22:50 +1 PlatinumGalaxy talk contribs (→Social sciences: Grammar and missing "and") Tag: Visual edit
24 May 2025
- diffhist Image (mathematics) 17:04 0 Jochen Burghardt talk contribs (Undid revision 1291782244 by NeilOnWiki (talk): X and Y need to be given in order to define image/preimage (there was a lengthy discussion about this and related issues some time ago, I think at Talk:Function_(mathematics)/Archive_14#Towards_a_coherent_article_about_functions_(mathematics))) Tag: Undo
- diffhist Kernel (algebra) 03:21 −22 Gramix13 talk contribs (Reworded instances of "we" per MOS:MATH#NOWE)
- diffhist Kernel (algebra) 03:17 −64 Gramix13 talk contribs (Removed "note that".)
- diffhist Kernel (algebra) 03:09 +287 Gramix13 talk contribs (Added example of kernel to the lead.)
- diffhist Kernel (algebra) 02:53 +24 Gramix13 talk contribs (Added citation for the identity element of a group being inside the kernel.)
- diffhist Kernel (algebra) 02:51 −32 Gramix13 talk contribs (→Kernel structures: Adjusted citation on kernel/normal subgroup criterion.)
- diffhist Infinite group 02:32 +31 ALittleClass talk contribs (added tarski monster group as an example) Tag: Visual edit
- diffhist Kernel (algebra) 02:22 +20 Dedhert.Jr talk contribs (→Kernel structures: cn tag)
- diffhist Kernel (algebra) 02:22 +20 Dedhert.Jr talk contribs (→Group homomorphisms: cn tag)
23 May 2025
- diffhist Kernel (algebra) 16:59 +45 Nempnet talk contribs (Added authors to footnotes, fixed footnote errors)
- diffhist m Algebraic structure 16:56 0 Unlimiter talk contribs (Hyphenated some terms.)
- diffhist Image (mathematics) 11:12 0 NeilOnWiki talk contribs (→top: Postponed use of 'X to Y' to second para from first, where it wasn't needed.) Tag: Reverted
- diffhist Kernel (algebra) 03:37 +1 Gramix13 talk contribs (Sorted references)
- diffhist Kernel (algebra) 03:34 +37 Gramix13 talk contribs (→Group homomorphisms: Added citation previously removed.)
- diffhist Kernel (algebra) 03:28 +18 Gramix13 talk contribs (Changed "Ralph" to "McKenzie") Tag: harv or sfn error
- diffhist Kernel (algebra) 03:27 +1,224 Gramix13 talk contribs (Added page citations for Dummit, Foote)
- diffhist Kernel (algebra) 02:30 +69 Gramix13 talk contribs (Added page numbers for Ralph et. al.) Tag: harv or sfn error
- diffhist Kernel (algebra) 02:09 +88 Gramix13 talk contribs (Added page citations for Fraleigh.) Tag: harv or sfn error
- diffhist Kernel (algebra) 01:57 +90 Gramix13 talk contribs (Added page citations for Hungerford)
- diffhist Kernel (algebra) 01:07 +69 Gramix13 talk contribs (Added page citations for Axler)
- diffhist Normal subgroup 00:46 +8 JayBeeEll talk contribs (Revert a year-old edit that was mostly pointless but also created many run-on sentences)
- diffhist Kernel (algebra) 00:43 +72 Gramix13 talk contribs (Added page citations for Burris, Stanley) Tag: harv or sfn error
22 May 2025
- diffhist Kernel (algebra) 17:45 −2 David Eppstein talk contribs (attempt to make the short description less technical while avoiding vague and unspecific "concept in" uselessness)
- diffhist Normal subgroup 14:57 +27 129.104.244.74 talk (→Operations taking subgroups to subgroups)
- diffhist Kernel (algebra) 09:45 +15 D.Lazard talk contribs (Undid revision 1291568716 by Gramix13 (talk) WP:NOTDEF means that the description needs not to be accurrate, but suffices to give an idea of the subject of the article. Here "concept in" is too vague. "Inverse image of 0" is correct, since for most readers, "homomorphism" means "linear map". If you disagree, take it on the talk page.) Tag: Undo
- diffhist Kernel (algebra) 07:39 +170 David Eppstein talk contribs (book citations need page numbers (best separately for each citation); also at least one citation is missing altogether)
- diffhist Kernel (algebra) 01:49 −15 Gramix13 talk contribs (Addressing WP:SDNOTDEF by using "Concept in [academic field]" format since there are two definitions for kernel depending on whether the structure is group-like (not to mention some groups don't have a "zero"), so it wouldn't be possible to accurately describe it with one definition while also avoiding jargon. I am open to discussion on what short description would be appropriate for this article.) Tag: Reverted