List questions from proof-verification

Published on 15 Apr 2026 - 6:18

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How to prove Dilation property of Lebesgue integral

Published on 10 Apr 2026 - 21:22

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Big-$O$ verification [discrete mathematics]

Published on 11 Apr 2026 - 11:09

85

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Convergence of independent random variables

Published on 14 Apr 2026 - 7:37

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Universal set proof [discrete mathematics]

Published on 09 Apr 2026 - 13:51

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Let $A$ be a square matrix. Prove that $A$ ~ $I_n$ if and only if $A\vec{x} = \vec{0}$ has only the trivial solution.

Published on 16 Apr 2026 - 3:54

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Math competition function with parameter problem

Published on 08 Apr 2026 - 13:30

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Tried to prove that $e$ is irrational but ended up proving it's not a real number.

Published on 14 Apr 2026 - 20:29

77

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Correcting Proof of Lemma 10 in Kaplansky's Infinite Abelian Groups

Published on 10 May 2026 - 18:06

113

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Topology generated and metric topology.

Published on 14 Apr 2026 - 6:31

178

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What is wrong with this proof of $3\arcsin x$?

Published on 24 Apr 2026 - 22:28

370

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Methodology for Verifying Trigonometric Identities

Published on 13 Apr 2026 - 15:27

68

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Show the equivalence for a differentiable function.

Published on 14 Apr 2026 - 1:55

168

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Folland Question 7.7, why is the answer not simpler?

Published on 12 Apr 2026 - 5:40

49

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A conversion of double integral to polar and evaluate, check

Published on 12 Apr 2026 - 15:51

List Question

Find all solutions for $z^3 = -27$

How to prove Dilation property of Lebesgue integral

Big-$O$ verification [discrete mathematics]

Convergence of independent random variables

Universal set proof [discrete mathematics]

Let $A$ be a square matrix. Prove that $A$ ~ $I_n$ if and only if $A\vec{x} = \vec{0}$ has only the trivial solution.

Math competition function with parameter problem

Tried to prove that $e$ is irrational but ended up proving it's not a real number.

Correcting Proof of Lemma 10 in Kaplansky's Infinite Abelian Groups

Topology generated and metric topology.

What is wrong with this proof of $3\arcsin x$?

Methodology for Verifying Trigonometric Identities

Show the equivalence for a differentiable function.

Folland Question 7.7, why is the answer not simpler?

A conversion of double integral to polar and evaluate, check

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