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12 July 2025
- diffhist Permutation 12:36 +4 82.77.240.52 talk (→History)
- diffhist Symmetric group 00:59 +41 TekStarWolf talk contribs (Link suggestions feature: 3 links added.) Tags: Visual edit Newcomer task Suggested: add links
9 July 2025
- diffhist Combinatorial species 19:46 +44 Patar knight talk contribs (Adding local short description: "Theory in mathematics", overriding Wikidata description "endofunctor on the category of finite sets and bijections, which can be used to analyse discrete structures in terms of generating functions") Tag: Shortdesc helper
8 July 2025
- diffhist m On-Line Encyclopedia of Integer Sequences 04:46 −4 JadanPoll talk contribs (More useful parsing imo)
7 July 2025
- diffhist m Chemical compound 21:06 +5 TenzilKem talk contribs (→Ionic compounds: typo)
- diffhist Set (mathematics) 21:00 +3 D.Lazard talk contribs (→Algebra of subsets: "The set" refers to U, not to any subset)
- diffhist Up to 19:36 +8 Henhenboben talk contribs (Link suggestions feature: 2 links added.) Tags: Visual edit Newcomer task Suggested: add links
- 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