List questions from proof-explanation

Published on 16 Apr 2026 - 15:24

859

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The Borel–Cantelli lemma proof

Published on 11 May 2026 - 10:01

761

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Step in the Stein's proof of Plancherel Theorem

Published on 24 Apr 2026 - 2:33

78

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Need help in understanding certain parts of ANOVA decomposition

Published on 12 Apr 2026 - 19:59

76

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Absolute value inequality - reflection

Published on 12 Apr 2026 - 12:31

522

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Prove by definition (rigorously) that the supremum of $S:=\lbrace{\frac{1}{a} - \frac{3}{b}:a,b \in \mathbb{N}}\rbrace $ is $1$.

Published on 15 Apr 2026 - 18:02

149

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Why do symmetric Nash equilibria satisfies $f_i(e^j_i,x_i) = f_i(x_i,x_i)$

Published on 13 May 2026 - 5:05

511

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Explain the proof behind maximal ideals $\iff $ quotient is a field.

Published on 14 Apr 2026 - 14:30

44

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Prime division proof

Published on 13 Apr 2026 - 17:08

9.6k

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Is the interior of the closure of a set equal to the interior of that set?

Published on 14 Apr 2026 - 2:33

3.9k

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Understanding Cesaro summation proof

Published on 11 Apr 2026 - 5:48

54

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Understanding proof for convergence of Taylor polynomial

Published on 12 Apr 2026 - 21:09

1.5k

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Suppose $x_n \rightarrow x$ and $y_n \rightarrow y$, then $d(x_n,y_n) \rightarrow d(x,y)$

Published on 16 Apr 2026 - 18:10

36

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How would I prove a logical expression containing contrapositives and equivalencies with a truth table?

Published on 16 Apr 2026 - 4:18

63

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Existence of an unique Lobachevski transform in the Half-Plane Model.

Published on 14 Apr 2026 - 14:28

List Question

Derivation of a proof related to the centroid of a set of points

The Borel–Cantelli lemma proof

Step in the Stein's proof of Plancherel Theorem

Need help in understanding certain parts of ANOVA decomposition

Absolute value inequality - reflection

Prove by definition (rigorously) that the supremum of $S:=\lbrace{\frac{1}{a} - \frac{3}{b}:a,b \in \mathbb{N}}\rbrace $ is $1$.

Why do symmetric Nash equilibria satisfies $f_i(e^j_i,x_i) = f_i(x_i,x_i)$

Explain the proof behind maximal ideals $\iff $ quotient is a field.

Prime division proof

Is the interior of the closure of a set equal to the interior of that set?

Understanding Cesaro summation proof

Understanding proof for convergence of Taylor polynomial

Suppose $x_n \rightarrow x$ and $y_n \rightarrow y$, then $d(x_n,y_n) \rightarrow d(x,y)$

How would I prove a logical expression containing contrapositives and equivalencies with a truth table?

Existence of an unique Lobachevski transform in the Half-Plane Model.

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