List questions from fake-proofs

Published on 15 Sep 2013 - 12:41

150

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What is the best response to the reasoning below?

Published on 17 Sep 2013 - 16:21

170

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Cannot see my mistake

Published on 18 Sep 2013 - 23:14

862

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Prove $\frac {1}{\cos 0^\circ \cdot \cos 1^\circ} + \ldots +\frac {1}{\cos 88^\circ \cdot \cos 89^\circ}= \frac{\cos 1^\circ}{\sin 1^\circ}$

Published on 29 Sep 2013 - 23:41

254

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What fraction of works in mathematics contains mistakes?

Published on 01 Oct 2013 - 15:34

3.3k

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What is wrong with this proof of: $2+2 = 5$

Published on 01 Oct 2013 - 15:44

242

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Calculation of bucks missing

Published on 03 Oct 2013 - 13:55

97

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Add and subtract in optimization

Published on 04 Oct 2013 - 15:43

284

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How can this result in Thermodynamics be rigorously proved?

Published on 06 Oct 2013 - 18:40

254

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Can there be a real solution to the square root of -1?

Published on 15 Oct 2013 - 18:54

627

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Mistake in contradiction argument to show that sheafification commutes with cokernel

Published on 26 Oct 2013 - 1:57

328

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Error in finding sum of $1\cdot 2+3\cdot 4+ \cdots \text{to}\space n\space \text{terms}$

Published on 26 Oct 2013 - 18:55

6.9k

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why 64 is equal to 65 here?

Published on 27 Oct 2013 - 11:48

130

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What am I doing wrong?

Published on 27 Oct 2013 - 16:10

76

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A weird infinity problem.

Published on 30 Oct 2013 - 12:05

List Question

Algebraic closure exists: What's wrong with this proof?

What is the best response to the reasoning below?

Cannot see my mistake

Prove $\frac {1}{\cos 0^\circ \cdot \cos 1^\circ} + \ldots +\frac {1}{\cos 88^\circ \cdot \cos 89^\circ}= \frac{\cos 1^\circ}{\sin 1^\circ}$

What fraction of works in mathematics contains mistakes?

What is wrong with this proof of: $2+2 = 5$

Calculation of bucks missing

Add and subtract in optimization

How can this result in Thermodynamics be rigorously proved?

Can there be a real solution to the square root of -1?

Mistake in contradiction argument to show that sheafification commutes with cokernel

Error in finding sum of $1\cdot 2+3\cdot 4+ \cdots \text{to}\space n\space \text{terms}$

why 64 is equal to 65 here?

What am I doing wrong?

A weird infinity problem.

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