List questions from fake-proofs

Published on 11 Sep 2012 - 1:33

223

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Through any $n$ distinct points on a plane we can draw a straight line.

Published on 14 Sep 2012 - 21:14

449

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Closure, isolated points, limit points in a metric space

Published on 16 Sep 2012 - 4:32

376

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What is wrong with this proof of Wedderburn's little theorem?

Published on 18 Sep 2012 - 10:10

6.5k

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Trying to understand why circle area is not $2 \pi r^2$

Published on 20 Sep 2012 - 17:19

2.9k

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Inequality for the Binomial Theorem

Published on 21 Sep 2012 - 5:30

47

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Is this definition true about comparisons of sets?

Published on 01 Oct 2012 - 21:57

9.9k

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Are all finite groups cyclic?

Published on 25 Mar 2026 - 22:30

203

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What step is wrong?

Published on 21 Oct 2012 - 13:22

1.2k

Views

Very elementary proof of the prime number theorem

Published on 02 Nov 2012 - 23:04

8.9k

Views

Two paradoxes: $\pi = 2$ and $\sqrt 2 = 2$

Published on 28 Mar 2026 - 3:00

2.3k

Views

A contradictory integral: $\int \sin x \cos x \, \mathrm dx$

Published on 10 Nov 2012 - 3:56

2k

Views

Every Number is Describable?

Published on 02 Dec 2012 - 23:53

103.8k

Views

Problem when integrating $e^x / x$.

Published on 05 Dec 2012 - 20:22

62

Views

How do i prove that a given graph is a function?

Published on 14 Dec 2012 - 16:13

List Question

Does ((2^2)^2)^2........ = 1 or 0?

Through any $n$ distinct points on a plane we can draw a straight line.

Closure, isolated points, limit points in a metric space

What is wrong with this proof of Wedderburn's little theorem?

Trying to understand why circle area is not $2 \pi r^2$

Inequality for the Binomial Theorem

Is this definition true about comparisons of sets?

Are all finite groups cyclic?

What step is wrong?

Very elementary proof of the prime number theorem

Two paradoxes: $\pi = 2$ and $\sqrt 2 = 2$

A contradictory integral: $\int \sin x \cos x \, \mathrm dx$

Every Number is Describable?

Problem when integrating $e^x / x$.

How do i prove that a given graph is a function?

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