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12 July 2025

diffhist Kernel (algebra) 04:56 −30 Gramix13 talk contribs (→See also: Removing Kernel (linear algebra) since it is mentioned earlier in the article.)
diffhist Kernel (algebra) 02:13 −1,638 Gramix13 talk contribs (Splitting example of de Rahm Complex as an exact sequence to Exact sequence since it might be too technical and off-topic for this article.)
diffhist Symmetric group 00:59 +41 TekStarWolf talk contribs (Link suggestions feature: 3 links added.) Tags: Visual edit Newcomer task Suggested: add links
diffhist Kernel (algebra) 00:40 +1,164 Gramix13 talk contribs (→Exact sequence: Used vector calculus to further explain etymology of exact sequences.)
diffhist m Kernel (algebra) 00:18 +3 Gramix13 talk contribs (→Exact sequence: changed phi to varphi)
diffhist Kernel (algebra) 00:17 +588 Gramix13 talk contribs (→Exact sequence: Expanding on the motivation for the term "exact")

11 July 2025

diffhist Image (mathematics) 15:38 −36 45.232.105.68 talk Tag: Visual edit
diffhist Module:Authority control/config 14:36 +164 MSGJ talk contribs (add Yale LUX)
diffhist Frobenius group 02:20 +45 MediaKyle talk contribs (Adding local short description: "Concept in mathematics", overriding Wikidata description "transitive permutation group with restrictions on fixed point behavior") Tag: Shortdesc helper

7 July 2025

diffhist Set (mathematics) 21:00 +3 D.Lazard talk contribs (→Algebra of subsets: "The set" refers to U, not to any subset)
diffhist Lagrange's theorem (group theory) 19:32 −46 79.26.183.139 talk (→Proof) Tag: Reverted
diffhist Lagrange's theorem (group theory) 19:28 +46 79.26.183.139 talk (→Proof) Tag: Reverted
diffhist Integer 14:40 −1 Anita5192 talk contribs (Undid revision 1299272761 by Kencf0618 (talk)not helpful) Tag: Undo
diffhist Integer 12:15 +1 Kencf0618 talk contribs (Encyclopedic tone and accuracy.) Tag: Reverted
diffhist Set (mathematics) 10:17 +8 Jochen Burghardt talk contribs (Undid revision 1299255997 by D.Lazard (talk): agree with Ifoundamistake75475: A \Delta A = (A \ A) \cup (A \ A) = {} \cup {} = {}, i.e. the additive inverse, while A \Delta A' = (A \ A') \cup (A' \ A) = A \cup A' = U, when A' denotes the absolute complement) Tag: Undo
diffhist Set (mathematics) 09:28 −8 D.Lazard talk contribs (Reverted 1 edit by Ifoundamistake75475 (talk): Was corect) Tags: Twinkle Undo Reverted
diffhist Set (mathematics) 06:39 +8 Ifoundamistake75475 talk contribs (→Algebra of subsets: I believe I found a mistake. In the boolean ring that is the powerset of a given set, when you are using the additive operation (symmetric difference), the additive inverse (a number x such that a+x=0 for all a) is not its complement, as by applying symmetric difference (any elements contained in two sets but not both), you can see that the complement (all elements not a part of A is the complement of A) when added to a set results in simply the union (all elements a p...) Tags: Reverted Mobile edit Mobile web edit

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