List questions from proof-explanation

Published on 25 Mar 2026 - 19:06

47

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Proof explanation: Theorem 2, Section 15, Dual Spaces, Halmos

Published on 11 Apr 2026 - 14:25

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Can someone explain this linear dependence proof to me?

Published on 06 Sep 2019 - 14:55

213

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Theorem 5.10 in Rudin's Real & Complex Analysis

Published on 11 Apr 2026 - 5:43

560

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Linear Independence in Quotient Space

Published on 11 Apr 2026 - 6:40

781

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Why do we buy the Mazur Swindle in knot theory?

Published on 08 Apr 2026 - 9:32

59

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Lemma concluded by Urysohn's lemma, continuity, proof explanation

Published on 06 Sep 2019 - 23:53

48

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How is this lemma used?

Published on 12 Apr 2026 - 2:25

79

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Understanding a solution of $\sqrt{y^2+1}\,dx = xy\,dy$: where does the constant come from after integrating?

Published on 11 Apr 2026 - 9:03

260

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A Proof of Series of A Product of Fourier Coefficients Converges Absolutely

Published on 10 Apr 2026 - 20:01

189

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Proof sqrt(2) is irrational

Published on 09 Apr 2026 - 11:17

177

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Proof that the set of rationals is countable with finite preimages?

Published on 12 Apr 2026 - 4:35

215

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Construct a compact set with countably infinite limit points using $1/n + 1/m$ (Rudin, Cooke)

Published on 08 Sep 2019 - 4:12

175

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Extending $\widetilde{V}$ in order to obtain a partial isometry operator

Published on 09 Apr 2026 - 16:10

269

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Two approaches to duality in TVS: dual pairing versus "canonical" dual. Are they equivalent?

Published on 11 Apr 2026 - 0:49

List Question

Proof of Hahn Banach Theorem corollary: the dual of a LCS sperates points

Proof explanation: Theorem 2, Section 15, Dual Spaces, Halmos

Can someone explain this linear dependence proof to me?

Theorem 5.10 in Rudin's Real & Complex Analysis

Linear Independence in Quotient Space

Why do we buy the Mazur Swindle in knot theory?

Lemma concluded by Urysohn's lemma, continuity, proof explanation

How is this lemma used?

Understanding a solution of $\sqrt{y^2+1}\,dx = xy\,dy$: where does the constant come from after integrating?

A Proof of Series of A Product of Fourier Coefficients Converges Absolutely

Proof sqrt(2) is irrational

Proof that the set of rationals is countable with finite preimages?

Construct a compact set with countably infinite limit points using $1/n + 1/m$ (Rudin, Cooke)

Extending $\widetilde{V}$ in order to obtain a partial isometry operator

Two approaches to duality in TVS: dual pairing versus "canonical" dual. Are they equivalent?

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