List questions from proof-explanation

Published on 27 Jun 2019 - 18:37

434

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Intuition of Liouville's Theorem (differential algebra) Proof

Published on 25 Mar 2026 - 6:05

2.4k

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General solution of $\tan (2x)\tan (x)=1$

Published on 28 Jun 2019 - 8:10

296

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Homeomorphism between different definitions of real projective spaces.

Published on 28 Jun 2019 - 8:50

203

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What makes this a $1- \alpha$ confidence set?

Published on 07 Apr 2026 - 18:07

35

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Clubbing together of solutions

Published on 28 Jun 2019 - 12:06

36

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Why can we find $\psi_k(x_k) > 3/4$?

Published on 28 Jun 2019 - 15:00

82

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Understanding the proof

Published on 08 Apr 2026 - 2:16

105

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don't understand a step in $\int |f| d \mu < \infty $ then $f$ finite $\mu$-a.e. on $X$.

Published on 28 Jun 2019 - 22:59

393

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Fractions: cross-multiply equivalence is least with $\frac{a}b\approx \frac{ac}{bc}$

Published on 27 Mar 2026 - 23:37

38

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How is $E = S(x)$, where $E = k(x), k$ a field, and S= k(I) of all rationals functions of $I = I(x) = \frac{(x^2 -x+1)^3}{x^2(x-1)^2}$?

Published on 07 Apr 2026 - 21:47

125

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A question about a detail of Eberlein-Šmulian Theorem: the relation between weak and strong closures of a set

Published on 29 Jun 2019 - 21:15

104

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How does this proof of the Nullity Plus Rank theorem work?

Published on 29 Jun 2019 - 21:21

37

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Minimum number of vertices needed to construct a graph.

Published on 30 Jun 2019 - 8:29

81

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Understanding the proof 3

Published on 08 Apr 2026 - 17:48

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Proof that a connected graph G(V,E) with |E| = |V| - 1 is a tree. Verify and Help

Intuition of Liouville's Theorem (differential algebra) Proof

General solution of $\tan (2x)\tan (x)=1$

Homeomorphism between different definitions of real projective spaces.

What makes this a $1- \alpha$ confidence set?

Clubbing together of solutions

Why can we find $\psi_k(x_k) > 3/4$?

Understanding the proof

don't understand a step in $\int |f| d \mu < \infty $ then $f$ finite $\mu$-a.e. on $X$.

Fractions: cross-multiply equivalence is least with $\frac{a}b\approx \frac{ac}{bc}$

How is $E = S(x)$, where $E = k(x), k$ a field, and S= k(I) of all rationals functions of $I = I(x) = \frac{(x^2 -x+1)^3}{x^2(x-1)^2}$?

A question about a detail of Eberlein-Šmulian Theorem: the relation between weak and strong closures of a set

How does this proof of the Nullity Plus Rank theorem work?

Minimum number of vertices needed to construct a graph.

Understanding the proof 3

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