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17 April 2024
18:21 | Locally Euclidean Space is Locally Path-Connected diffhist +33 Usagiop talk contribs |
18:04 | Henry Ernest Dudeney/Puzzles and Curious Problems/2 - A Legacy Puzzle/Working diffhist +140 Prime.mover talk contribs |
18:01 | Henry Ernest Dudeney/Puzzles and Curious Problems/2 - A Legacy Puzzle/Solution diffhist +5 Prime.mover talk contribs |
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17:44 | Ideal Contained in Finite Union of Prime Ideals 6 changes history +823 [Prime.mover; Hbghlyj (5×)] | |||
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17:44 (cur | prev) +154 Prime.mover talk contribs | ||||
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13:02 (cur | prev) −6 Hbghlyj talk contribs | |||
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13:00 (cur | prev) −6 Hbghlyj talk contribs | |||
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13:00 (cur | prev) +661 Hbghlyj talk contribs (Add proof) | ||||
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12:50 (cur | prev) +28 Hbghlyj talk contribs (fixed {{explain|this needs to cite some results about summations}}) | ||||
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12:19 (cur | prev) −8 Hbghlyj talk contribs (fix typo "suppose suppose that") |
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17:20 | Pullback Lemma 5 changes history +95 [Hbghlyj; Leigh.Samphier (4×)] | |||
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17:20 (cur | prev) +118 Hbghlyj talk contribs (Add <nowiki> to fix latex errors) | |||
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12:54 (cur | prev) −15 Leigh.Samphier talk contribs | ||||
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12:49 (cur | prev) −8 Leigh.Samphier talk contribs | ||||
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12:44 (cur | prev) +112 Leigh.Samphier talk contribs (Undo revision 690516 by Leigh.Samphier (talk)) Tag: Undo | ||||
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12:43 (cur | prev) −112 Leigh.Samphier talk contribs Tag: Reverted |
12:35 | Pullback of Subset Inclusion diffhist −199 Leigh.Samphier talk contribs |
12:15 | Category of Subobjects is Preorder Category diffhist −2 Leigh.Samphier talk contribs |
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12:13 | Category of Subobjects is Category 2 changes history −36 [Leigh.Samphier (2×)] | |||
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12:13 (cur | prev) −40 Leigh.Samphier talk contribs | ||||
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12:11 (cur | prev) +4 Leigh.Samphier talk contribs |
12:01 | Quotient Mapping is Coequalizer diffhist −7 Leigh.Samphier talk contribs |
11:59 | Equalizer is Monomorphism diffhist −8 Leigh.Samphier talk contribs |
11:57 | Product of Composite Morphisms diffhist +13 Leigh.Samphier talk contribs |
11:55 | Identity Morphism of Product diffhist −12 Leigh.Samphier talk contribs |
11:54 | Identity Morphism is Initial Object in Coslice Category diffhist +8 Leigh.Samphier talk contribs |
11:54 | Identity Morphism is Terminal Object in Slice Category diffhist +8 Leigh.Samphier talk contribs |
11:53 | Terminal Object is Unique diffhist +8 Leigh.Samphier talk contribs |
11:52 | Initial Object is Unique diffhist +8 Leigh.Samphier talk contribs |
11:52 | Epimorphism into Projective Object Splits diffhist +8 Leigh.Samphier talk contribs |
11:51 | Split Monomorphism is Monic diffhist +7 Leigh.Samphier talk contribs |
11:51 | Split Epimorphism is Epic diffhist +7 Leigh.Samphier talk contribs |
11:49 | Free Monoid is Unique diffhist +6 Leigh.Samphier talk contribs |
11:45 | Slice Category of Order Category diffhist −1 Leigh.Samphier talk contribs |
11:43 | Quotient Theorem for Group Homomorphisms diffhist 0 Leigh.Samphier talk contribs |
11:42 | Third Isomorphism Theorem/Rings diffhist +2 Leigh.Samphier talk contribs |
11:37 | Factoring Mapping into Quotient and Injection diffhist 0 Leigh.Samphier talk contribs |
11:35 | Composition of Mappings is Associative diffhist +9 Leigh.Samphier talk contribs |
11:34 | Quotient Theorem for Sets/Proof diffhist +7 Leigh.Samphier talk contribs |
11:32 | Quotient Theorem for Sets diffhist +5 Leigh.Samphier talk contribs |
11:30 | Quotient Theorem for Surjections diffhist +5 Leigh.Samphier talk contribs |
11:29 | Factoring Mapping into Surjection and Inclusion diffhist +1 Leigh.Samphier talk contribs |
11:27 | Group Homomorphism Preserves Inverses diffhist −1 Leigh.Samphier talk contribs |
16 April 2024
22:15 | Locally Euclidean Space is Locally Path-Connected diffhist −305 Leigh.Samphier talk contribs |
m 21:26 | Empty Set is Subset of All Sets diffhist +14 Prime.mover talk contribs |
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N 06:53 | Pi Squared is Irrational/Proof 2 3 changes history +3,770 [Simcha Waldman; Prime.mover (2×)] | |||
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06:53 (cur | prev) −314 Simcha Waldman talk contribs (Re-editing and explaining) | ||||
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06:00 (cur | prev) +1,126 Prime.mover talk contribs | ||||
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05:06 (cur | prev) +2,958 Prime.mover talk contribs (Created page with "== Theorem == {{:Pi Squared is Irrational}} == Proof == {{tidy}} {{MissingLinks}} <onlyinclude> {{AimForCont}} $\pi^2$ is rational. Then $\pi^2 = \dfrac p q$ where $p$ and $q$ are integers and $q \ne 0$. Let us define a polynomial: :$\ds \map f x = \frac{(1-x^2)^n}{n!} = \sum_{m\,=\,n}^{2n}\frac{c_m}{n!}x^m,\quad:c_m\in\Z$ $\map f x = f(-x)$ and so we get {{begin-eqn}} {{eqn | l = f^{(k)}(x) = (-1)^kf^{(k)}(-x)...") |
N 05:05 | Pi Squared is Irrational/Proof 1 diffhist +2,341 Prime.mover talk contribs (Created page with "== Theorem == {{:Pi Squared is Irrational}} == Proof == <onlyinclude> {{AimForCont}} $\pi^2$ is rational. Then $\pi^2 = \dfrac p q$ where $p$ and $q$ are integers and $q \ne 0$. Note that $\paren {q \pi}^2 = q^2 \paren {\dfrac p q} = p q$ is an integer. Now let: :$\ds A_n = \frac {q^n} {n!} \int_0^\pi \paren {x \paren {\pi - x} }^n \sin x \rd x $ Integration by Parts twice gives: {{b...") |
05:05 | Pi Squared is Irrational diffhist −4,858 Prime.mover talk contribs |
15 April 2024
23:49 | Pi Squared is Irrational diffhist +2,783 Simcha Waldman talk contribs (Adding another proof) |
22:03 | Intersecting Chords Theorem diffhist +223 Prime.mover talk contribs |
22:01 | Position of Interpolated Point under Linear Interpolation diffhist +35 Prime.mover talk contribs |