List questions from fake-proofs

Published on 16 Dec 2014 - 6:11

298

Views

Does $\frac{0}{0}$ really equal $1$?

Published on 17 Dec 2014 - 22:32

5k

Views

Integrate $1/x$ by parts.

Published on 23 Dec 2014 - 19:45

102

Views

Fake proof of one-to-one function

Published on 30 Dec 2014 - 12:44

375

Views

All people are virgins (proof by induction)

Published on 07 Oct 2019 - 6:04

136

Views

False proof $m = 1$ for any $m$

Published on 07 Oct 2019 - 14:18

159

Views

Why doesn't ${n \choose 4} = { {n \choose 2} \choose 2}$?

Published on 10 Oct 2019 - 1:15

64

Views

Which step is incorrect?

Published on 12 Oct 2019 - 9:35

132

Views

Is i = 0 from Euler's Identity?

Published on 18 Oct 2019 - 8:36

116

Views

If a sequence has a convergent sub-sequence, then the sequence converges(fake proof)

Published on 24 Oct 2019 - 22:16

74

Views

Gambler's ruin - what is wrong with my attempt?

Published on 26 Oct 2019 - 9:16

67

Views

Spot the mistake of -1=1 proof

Published on 30 Oct 2019 - 9:56

957

Views

What’s wrong with this proof that a square is diffeomorphic to a circle?

Published on 31 Oct 2019 - 0:37

78

Views

Weird mistake that I cannot spot in a proof

Published on 03 Nov 2019 - 3:09

377

Views

Simple equation manipulation gives the wrong solution.

Published on 03 Nov 2019 - 19:45

List Question

fake proof of $\forall a. \forall b. a = b \to 1 = 0$

Does $\frac{0}{0}$ really equal $1$?

Integrate $1/x$ by parts.

Fake proof of one-to-one function

All people are virgins (proof by induction)

False proof $m = 1$ for any $m$

Why doesn't ${n \choose 4} = { {n \choose 2} \choose 2}$?

Which step is incorrect?

Is i = 0 from Euler's Identity?

If a sequence has a convergent sub-sequence, then the sequence converges(fake proof)

Gambler's ruin - what is wrong with my attempt?

Spot the mistake of -1=1 proof

What’s wrong with this proof that a square is diffeomorphic to a circle?

Weird mistake that I cannot spot in a proof

Simple equation manipulation gives the wrong solution.

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