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7 July 2025
- 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
6 July 2025
- diffhist Transitive relation 07:13 +38 David Eppstein talk contribs (This was entirely CS2 in 2012; restore consistent citation style)
- diffhist Transitive relation 07:03 +225 David Eppstein talk contribs (→Counting transitive relations: supply requested citation)
5 July 2025
- diffhist Category theory 19:56 +35 David Eppstein talk contribs (M. Cristina Pedicchio)
- diffhist m Set (mathematics) 14:28 −1 Kreyp talk contribs (→Infinite cardinalities)
3 July 2025
- diffhist Mathematics 07:08 −26 D.Lazard talk contribs (Reverted 1 edit by Hooman Mallahzadeh (talk): MOS:OL. This sentence has been lengthy discussed on the talk page, and any change requires a new consensus) Tags: Twinkle Undo
- diffhist Mathematics 06:55 +26 Hooman Mallahzadeh talk contribs (Linking.) Tag: Reverted
- diffhist Algebraic geometry 04:38 +357 Citrus Lover talk contribs (Add Smith to list of non-scheme textbooks)