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9 July 2025

diffhist Binary relation 16:57 +448 AnomieBOT talk contribs (Rescuing orphaned refs ("gs" from rev 1299645176; "Schroder.1895" from rev 1299645176; "Lewis.1918" from rev 1299645176))
diffhist Binary relation 16:29 −39 D.Lazard talk contribs (Reverted 1 edit by Villaida (talk): Duplicate) Tags: Twinkle Undo
diffhist Binary relation 16:28 +39 Villaida talk contribs (fixed ref list error) Tag: Reverted
diffhist Binary relation 16:27 −10 D.Lazard talk contribs (→Notes: + {{notelist}})
diffhist Binary relation 16:25 −16 D.Lazard talk contribs (→Definition: {{efn}})
diffhist Binary relation 16:16 −1,118 D.Lazard talk contribs (shortening the lead (The calculus of relations is too specialized and too technical for the lead))
diffhist Binary relation 15:59 +37 D.Lazard talk contribs (→top: ce)
diffhist Binary relation 15:41 −1,606 D.Lazard talk contribs (Reverted 1 edit by Dragomang87 (talk): The lead is already too long. The lead must not use terms such as "symmetric relation" without definition) Tags: Twinkle Undo
diffhist Binary relation 15:04 +1,606 Dragomang87 talk contribs (Improved text, clarity and separation of concepts: separating prime from integers is a bad way of creating a non-homogeneous relation because the page for the divide relation is indeed homogeneous, also the definition as subset and element of power set was mixed with the definition of homogeneous, while the power-set related operations where on a separate paragraphs) Tag: Reverted
diffhist Vector space 06:15 +789 Goodphy talk contribs (→Linear maps and matrices: Added a proof that, if two vector spaces are same in dimension, then they are isomorphic, because of a possible one-to-one correspondence between their bases.) Tag: Visual edit
diffhist m Vector space 03:57 +5 Goodphy talk contribs (→Linear maps and matrices: Slightly improved sentences.) Tag: Visual edit
diffhist Kernel (algebra) 01:51 0 David Eppstein talk contribs (2002 to match bib)

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 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
diffhist Vector space 03:57 +58 Goodphy talk contribs (→Linear maps and matrices: Elaborated sentences.) Tag: Visual edit
diffhist Vector space 03:46 +170 Goodphy talk contribs (→Linear maps and matrices: Explicitly expressed which ones are f and g in an example of isomorphism (between the planar vectors vector space to the ordered pairs vector space).) Tag: Visual edit
diffhist Vector space 03:31 +19 Goodphy talk contribs (→Linear maps and matrices: Elaborated a sentence.) Tag: Visual edit

3 July 2025

diffhist Kernel (algebra) 01:25 +573 Gramix13 talk contribs (→Group homomorphisms: Described the integers as the kernel of the homomorphism of the reals onto the circle group.) Tag: harv or sfn error

9 July 2025

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3 July 2025