List questions from fake-proofs

Published on 12 May 2013 - 7:12

137

Views

is this solution of $\int_0^\infty \sin(z^2) dz $ valid?

Published on 13 May 2013 - 18:29

1.4k

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Why is $2\pi i \neq 0?$

Published on 21 May 2013 - 1:15

289

Views

Find the flaw in my proof that $z^2 =1$ has more than $2$ distinct solutions.

Published on 23 May 2013 - 6:08

4.7k

Views

explaining the derivative of $x^x$

Published on 24 May 2013 - 11:37

772

Views

What is wrong with this fake proof that $\lim\limits_{n\rightarrow \infty}\sqrt[n]{n!} = 1$?

Published on 30 May 2013 - 10:08

161

Views

Solving $f_n=\exp(f_{n-1})$ : Where is my mistake?

Published on 26 Mar 2026 - 14:30

422

Views

This tower of fields is being ridiculous

Published on 05 Jun 2013 - 7:35

464

Views

Cauchy inequality $\Rightarrow$ Schwarz's integral inequality. Why can't the limit of the prior be used to deduce the latter?

Published on 28 Mar 2026 - 23:59

58

Views

Geometrically distributed RV's - what's wrong with my reasoning?

Published on 08 Jun 2013 - 11:35

5.1k

Views

Eigenvectors of inverse complex matrix

Published on 08 Jun 2013 - 13:38

8k

Views

$1=2$ | Continued fraction fallacy

Published on 29 Mar 2026 - 5:42

7.7k

Views

Where's the error in this $2=1$ fake proof?

Published on 11 Jun 2013 - 11:09

167

Views

point out the mistakes $1=2$?

Published on 13 Jun 2013 - 4:33

324

Views

Is there any way to save this "proof" that $\aleph_0=\aleph$?

Published on 17 Jun 2013 - 19:17

List Question

Where is wrong in this proof

is this solution of $\int_0^\infty \sin(z^2) dz $ valid?

Why is $2\pi i \neq 0?$

Find the flaw in my proof that $z^2 =1$ has more than $2$ distinct solutions.

explaining the derivative of $x^x$

What is wrong with this fake proof that $\lim\limits_{n\rightarrow \infty}\sqrt[n]{n!} = 1$?

Solving $f_n=\exp(f_{n-1})$ : Where is my mistake?

This tower of fields is being ridiculous

Cauchy inequality $\Rightarrow$ Schwarz's integral inequality. Why can't the limit of the prior be used to deduce the latter?

Geometrically distributed RV's - what's wrong with my reasoning?

Eigenvectors of inverse complex matrix

$1=2$ | Continued fraction fallacy

Where's the error in this $2=1$ fake proof?

point out the mistakes $1=2$?

Is there any way to save this "proof" that $\aleph_0=\aleph$?

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