List questions from alternative-proof

Published on 14 Apr 2026 - 13:02

138

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Dealing with difficult products of sums

Published on 11 Apr 2026 - 8:00

80

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Showing that the following are equivalent by a proper route.

Published on 15 Apr 2026 - 12:13

248

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Proof of the Density Theorem using contradiction?

Published on 09 Apr 2026 - 23:31

916

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If $f=g$ almost everywhere, $\int f=\int g$

Published on 15 Apr 2026 - 6:12

120

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Exercise 2(d), Section 27 of Munkres’ Topology

Published on 14 Apr 2026 - 11:53

132

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How can I prove algebraically that $\sqrt{8-4\sqrt{3}}=\sqrt{6}-\sqrt{2}$?

Published on 16 Apr 2026 - 11:30

279

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Exercise 6, Section 28 of Munkres’ Topology

Published on 14 Apr 2026 - 19:06

157

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If $f(x)=\frac {x^ 2 -2x +4}{ x^ 2 +2x+4}$ for $x \in \mathbb{R}$, prove that the range of $f(x)$ is $[1/3, 3]$

Published on 17 Apr 2026 - 8:38

84

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Non-standard proof that every $f\in L^1(\mathbb{R}^k)$ has Lebesgue points almost everywhere

Published on 14 Apr 2026 - 14:11

41

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Seating Students in a Maths Seminar

Published on 11 Apr 2026 - 7:26

58

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Reaching Fibonacci $\in O(\phi ^ n)$, without closed form formula

Published on 08 Apr 2026 - 21:12

39

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Prove the A.M.-G.M. inequality for n terms using induction

Published on 16 Apr 2026 - 8:44

95

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Theorem 30.3 of Munkres’ Topology

Published on 26 Mar 2026 - 6:29

206

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Brezis Exercise 4.1: Find conditions for a function to be in Lp

Published on 13 Apr 2026 - 18:17

List Question

Projection is uniformly continuous on bounded sets of a uniformly convex Banach space

Dealing with difficult products of sums

Showing that the following are equivalent by a proper route.

Proof of the Density Theorem using contradiction?

If $f=g$ almost everywhere, $\int f=\int g$

Exercise 2(d), Section 27 of Munkres’ Topology

How can I prove algebraically that $\sqrt{8-4\sqrt{3}}=\sqrt{6}-\sqrt{2}$?

Exercise 6, Section 28 of Munkres’ Topology

If $f(x)=\frac {x^ 2 -2x +4}{ x^ 2 +2x+4}$ for $x \in \mathbb{R}$, prove that the range of $f(x)$ is $[1/3, 3]$

Non-standard proof that every $f\in L^1(\mathbb{R}^k)$ has Lebesgue points almost everywhere

Seating Students in a Maths Seminar

Reaching Fibonacci $\in O(\phi ^ n)$, without closed form formula

Prove the A.M.-G.M. inequality for n terms using induction

Theorem 30.3 of Munkres’ Topology

Brezis Exercise 4.1: Find conditions for a function to be in Lp

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