List questions from fake-proofs

Published on 31 Oct 2013 - 17:58

495

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Indefinite integral. Where is the mistake?

Published on 01 Nov 2013 - 1:36

569

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Which step is wrong in this proof

Published on 10 Nov 2013 - 1:13

1.1k

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Why is this proof wrong?

Published on 15 Nov 2013 - 14:21

682

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Proof that the derivative of a linear function is $0$.

Published on 17 Nov 2013 - 16:22

158

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Am I correctly identifying the fallacy in this induction "proof?"

Published on 17 Nov 2013 - 20:01

506

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Why is $\lim\limits_{n\to\infty } 1=0$ incorrect?

Published on 24 Nov 2013 - 23:31

6.2k

Views

Help debunk a proof that zero equals one (no division)?

Published on 27 Nov 2013 - 6:00

111

Views

Why is this proof false? (Why is $e^i \neq 1$?)

Published on 27 Nov 2013 - 16:23

72

Views

FAIL Logarithms

Published on 01 Dec 2013 - 21:08

415

Views

What is wrong in this proof that $\pi=2$ or $x=2$?

Published on 02 Dec 2013 - 10:49

57

Views

What's wrong with my method that gives $0.\bar9 = 1$?

Published on 05 Dec 2013 - 18:21

436

Views

What is wrong with the following proof?

Published on 06 Dec 2013 - 8:59

280

Views

$\mathrm{card} ( \mathbb{Q})=\mathrm{card}( \mathbb{Q^c})$: Overcoming Wrong Intuition

Published on 09 Dec 2013 - 7:36

3.9k

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$1/i=i$. I must be wrong but why?

Published on 09 Dec 2013 - 20:38

List Question

What's wrong with that proof?

Indefinite integral. Where is the mistake?

Which step is wrong in this proof

Why is this proof wrong?

Proof that the derivative of a linear function is $0$.

Am I correctly identifying the fallacy in this induction "proof?"

Why is $\lim\limits_{n\to\infty } 1=0$ incorrect?

Help debunk a proof that zero equals one (no division)?

Why is this proof false? (Why is $e^i \neq 1$?)

FAIL Logarithms

What is wrong in this proof that $\pi=2$ or $x=2$?

What's wrong with my method that gives $0.\bar9 = 1$?

What is wrong with the following proof?

$\mathrm{card} ( \mathbb{Q})=\mathrm{card}( \mathbb{Q^c})$: Overcoming Wrong Intuition

$1/i=i$. I must be wrong but why?

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