List questions from proof-explanation

Published on 25 Mar 2026 - 15:51

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Proof that $E[SS_E] = (n-2)\sigma^2$

Published on 10 Aug 2019 - 15:03

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Proving the contrapositive statements

Published on 11 Apr 2026 - 4:16

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How to prove that $(\sqrt{3} + 1)b/2 < a < 1 + (\sqrt{3} + 1)b/2$?

Published on 29 Mar 2026 - 21:37

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Why must $0≤c_i≤1$?

Published on 11 Aug 2019 - 10:25

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A couple of questions about the construction of a subsequence

Published on 09 Apr 2026 - 16:21

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Proof by induction on a problem regarding analytic differential equations

Published on 02 Apr 2026 - 1:40

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Section 3.1.1. "Complete Integrals" from Evans PDE book

Published on 13 Aug 2019 - 8:03

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Given $g:\mathbb{D}\rightarrow\mathbb{D}$ is $g(z)=z^2h(z)$ and $|g|_{\infty}\leq 1$, why is $|h(z)|_{\infty}\leq 1$

Published on 03 Apr 2026 - 15:13

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Proving $\forall x \in R$: $x = \frac{2k}{m}$ $\iff$ $x \in Q$

Published on 14 Aug 2019 - 2:51

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Heuristic argument to prove integrable harmonic function is null

Published on 26 Mar 2026 - 18:58

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Questions about the Schroeder-Bernstein Theorem

Published on 14 Aug 2019 - 13:37

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Trying to prove $\forall m \in N$, $\exists j \in N$, ($m^2 = 3j-2$) $\vee$ ($m^2 = 3j$)

Published on 14 Aug 2019 - 19:40

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Proving $\forall n \in N, \exists p \in N$, $p>n$ $\wedge$ $(prime(p) \wedge p \equiv 2\pmod3)$

Published on 14 Aug 2019 - 22:52

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proving $\forall n \in Z,$ : ($\exists a,b \in Z$ $n=4a+5b$) $\implies$ ($\exists a,b \in Z$ $n^2 = 5a+4b-1$)

Published on 15 Aug 2019 - 0:37

List Question

Natural deduction proof of $p \lor (p\implies q)$ with propositional calculus

Proof that $E[SS_E] = (n-2)\sigma^2$

Proving the contrapositive statements

How to prove that $(\sqrt{3} + 1)b/2 < a < 1 + (\sqrt{3} + 1)b/2$?

Why must $0≤c_i≤1$?

A couple of questions about the construction of a subsequence

Proof by induction on a problem regarding analytic differential equations

Section 3.1.1. "Complete Integrals" from Evans PDE book

Given $g:\mathbb{D}\rightarrow\mathbb{D}$ is $g(z)=z^2h(z)$ and $|g|_{\infty}\leq 1$, why is $|h(z)|_{\infty}\leq 1$

Proving $\forall x \in R$: $x = \frac{2k}{m}$ $\iff$ $x \in Q$

Heuristic argument to prove integrable harmonic function is null

Questions about the Schroeder-Bernstein Theorem

Trying to prove $\forall m \in N$, $\exists j \in N$, ($m^2 = 3j-2$) $\vee$ ($m^2 = 3j$)

Proving $\forall n \in N, \exists p \in N$, $p>n$ $\wedge$ $(prime(p) \wedge p \equiv 2\pmod3)$

proving $\forall n \in Z,$ : ($\exists a,b \in Z$ $n=4a+5b$) $\implies$ ($\exists a,b \in Z$ $n^2 = 5a+4b-1$)

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