List questions from proof-explanation

Published on 25 Mar 2026 - 6:06

673

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Proof of Maschke’s theorem: Why is $\hat{p}$ again a projection?

Published on 25 Mar 2026 - 3:07

45

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Does the ordinary differential equation exist?

Published on 25 Mar 2026 - 14:10

149

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proving there exists no triangle with 3 vertices in specific area in a 3 x 3 triangle

Published on 25 Mar 2026 - 3:20

224

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What is wrong with this proof? Claim: $\ln(2)$ is rational.

Published on 25 Mar 2026 - 11:10

6.7k

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HCF and LCM of two numbers are same. Find the difference between the two numbers.

Published on 25 Mar 2026 - 14:12

85

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Why is this monic equalizer an isomorphism?

Published on 25 Mar 2026 - 9:53

61

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Question about an argument in Lang's Calculus of Several Variables

Published on 22 Mar 2026 - 6:16

49

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When does $|f(x)-L| = 0$?

Published on 24 Mar 2026 - 22:10

730

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Proving that $A$ is a closed set.

Published on 10 Feb 2018 - 23:55

913

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Explanation for the Proof of Dirichlet's test

Published on 11 Feb 2018 - 7:52

102

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Graph theory and combinatorics problem

Published on 11 Feb 2018 - 10:28

655

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Atlases on $S^{1}$?

Published on 25 Mar 2026 - 14:32

54

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Use of partial integration - uncertainty principle

Published on 11 Feb 2018 - 12:51

742

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Rudin Theorem 3.44 explanation

Published on 11 Feb 2018 - 13:05

List Question

Proof by contradiction that there are no periodic solutions to $\dot x =f(x)$

Proof of Maschke’s theorem: Why is $\hat{p}$ again a projection?

Does the ordinary differential equation exist?

proving there exists no triangle with 3 vertices in specific area in a 3 x 3 triangle

What is wrong with this proof? Claim: $\ln(2)$ is rational.

HCF and LCM of two numbers are same. Find the difference between the two numbers.

Why is this monic equalizer an isomorphism?

Question about an argument in Lang's Calculus of Several Variables

When does $|f(x)-L| = 0$?

Proving that $A$ is a closed set.

Explanation for the Proof of Dirichlet's test

Graph theory and combinatorics problem

Atlases on $S^{1}$?

Use of partial integration - uncertainty principle

Rudin Theorem 3.44 explanation

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