List questions from proof-explanation

Published on 15 Apr 2026 - 9:01

138

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Confusion about a proof of every irreducible polynomial has a root in a field extension

Published on 11 Apr 2026 - 14:11

192

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Every mere proposition is a set?

Published on 11 Apr 2026 - 18:56

470

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Elaboration of a technique used in the monotone convergence theorem proof.

Published on 27 Mar 2026 - 19:53

103

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Show that $ F(t) = \int_E f(t + x)d\lambda(x)$ is Borel measurable

Published on 20 Mar 2026 - 10:25

8.5k

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Proof of fundamental theorem for group homomorphisms

Published on 11 Apr 2026 - 14:26

1k

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Proving that a function is injective and strictly increasing

Published on 14 Apr 2026 - 0:38

27

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Need help understanding this proof (algorithm complexity)

Published on 09 Apr 2026 - 3:00

58

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need feedback on some simple discrete math proofs

Published on 13 Apr 2026 - 22:04

327

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Using Sterling's Formula to prove log(n!) = Θ(nlogn)

Published on 11 Apr 2026 - 18:48

346

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Turán’s Graph Theorem: Motivation behind the Weight Function

Published on 13 Apr 2026 - 22:22

43

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Why is a sum being approximated by an integral in part of a derivation of the Fourier inversion formula from the Fourier series formulae?

Published on 13 Apr 2026 - 15:25

374

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Showing that if $Hg^{−1}_1 = Hg^{−1}_2$, then $g_1H = g_2H.$

Published on 17 Apr 2026 - 15:15

313

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Smoothness proof for harmonic function

Published on 12 Apr 2026 - 6:16

60

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Kolmogorov Exercise 8.2

Published on 15 Apr 2026 - 3:28

List Question

Elaboration of a step in the proof of Fatou's Lemma (Royden $4^{th}$ edition pg.82).

Confusion about a proof of every irreducible polynomial has a root in a field extension

Every mere proposition is a set?

Elaboration of a technique used in the monotone convergence theorem proof.

Show that $ F(t) = \int_E f(t + x)d\lambda(x)$ is Borel measurable

Proof of fundamental theorem for group homomorphisms

Proving that a function is injective and strictly increasing

Need help understanding this proof (algorithm complexity)

need feedback on some simple discrete math proofs

Using Sterling's Formula to prove log(n!) = Θ(nlogn)

Turán’s Graph Theorem: Motivation behind the Weight Function

Why is a sum being approximated by an integral in part of a derivation of the Fourier inversion formula from the Fourier series formulae?

Showing that if $Hg^{−1}_1 = Hg^{−1}_2$, then $g_1H = g_2H.$

Smoothness proof for harmonic function

Kolmogorov Exercise 8.2

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