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8 July 2025

diffhist m Gravity 19:32 −4 Mickie-Mickie talk contribs (→Scientific revolution: punctuation and duplication)
diffhist Hyperbola 18:10 −5 Jacobolus talk contribs (Undid revision 1299483772 by David Eppstein (talk) yes, but the parallelogram scales with any affine transformation, so clearly must be proportional to a and b. the previous formula was indeed incorrect) Tag: Undo
diffhist Hyperbola 17:45 +5 David Eppstein talk contribs (Undid revision 1299467678 by Quintakkord (talk) you do realize that a and b (the semimajor axes) are not the same as A and B (the sides of the parallelogram), right?) Tags: Undo Reverted
diffhist Kinematics 16:11 +3 2a02:c7c:392b:9d00:e83b:596:c15b:760a talk (→Overview: Fixed what I believe to be a typo.)
diffhist m Hyperbola 15:41 −5 Quintakkord talk contribs (Replaced the wrong formula for the area with ab/2. You can check that this is the correct formula through GeoGebra) Tags: Reverted Visual edit
diffhist m Discriminant 13:34 −1 Jacobolus talk contribs (→Degree 4: use a quad space for continued lines of a long expression (qquad might even be better))
diffhist Discriminant 12:50 −23 D.Lazard talk contribs (→Definition: better phrasing)
diffhist Archimedes 11:13 +4 Johnkatz1972 talk contribs (→Further reading)
diffhist Discriminant 10:54 +207 147.210.179.67 talk (Correct discriminant formula for finite characteristic)
diffhist Hyperbola 07:32 +136 NuclearDuckie talk contribs (Poncelet point) Tags: Visual edit Mobile edit Mobile web edit

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 m Matrix (mathematics) 03:26 +35 Jacobolus talk contribs (→History: the printing usage was also in wide use by that time)
diffhist Matrix (mathematics) 03:24 +218 Jacobolus talk contribs (→History: the 1908 OED is a more useful source for this than the M-W website)
diffhist Berlin 02:11 +194 2600:387:f:6c19::b talk (→Prehistory of Berlin)

12 July 2025

11 July 2025

10 July 2025

9 July 2025

8 July 2025

7 July 2025