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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)
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- 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
5 July 2025
- diffhist m Set (mathematics) 14:28 −1 Kreyp talk contribs (→Infinite cardinalities)
3 July 2025
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- diffhist Mathematics 06:55 +26 Hooman Mallahzadeh talk contribs (Linking.) Tag: Reverted