List questions from fake-proofs

Published on 26 Dec 2021 - 16:04

146

Views

Is the category of measurable spaces MONOIDAL closed? (fake-proof)

Published on 10 Jan 2022 - 17:40

95

Views

$A\notin B$ set thoery

Published on 18 Jan 2022 - 20:38

161

Views

Two solutions to complex equation causing a problem

Published on 19 Jan 2022 - 16:12

2.8k

Views

How to know when the Collatz conjecture has been proved?

Published on 30 Mar 2026 - 3:19

117

Views

What are limitations of proofs by contrapositive?

Published on 27 Jan 2022 - 22:03

139

Views

I "proved" that Cauchy-ness is preserved by continuous functions. Where did I go wrong?

Published on 11 Feb 2022 - 20:53

164

Views

If dividing by a variable gives a contradiction, does that imply that the variable must be zero?

Published on 23 Feb 2022 - 21:07

156

Views

What's wrong with this proof of $0! = 1$

Published on 27 Feb 2022 - 8:59

60

Views

Is my proof valid? Basic proof for set theory, also is the argument valid if the goal is the other way around?

Published on 02 Mar 2022 - 7:45

283

Views

(Fake proof) Bounded linear operators $\mathcal{L}(X,Y)$ between separable Banach spaces $X$, $Y$ is itself a separable Banach space?

Published on 03 Mar 2022 - 17:15

89

Views

Proof That $\sin{(bt)} = b\sin{(t)}$?

Published on 30 Mar 2026 - 8:54

1.7k

Views

Having trouble debunking my friend's "proof" that "There is no real number greater than 0"

Published on 17 Mar 2022 - 2:52

314

Views

Fake Proof: Integral over Closed Contour in Complex Plane is Always Zero

Published on 20 Mar 2022 - 23:06

53

Views

Brackets in exponentiation

Published on 24 Mar 2022 - 12:18

List Question

Fake Proof for Dimension of $SO(n)$ (rotations)?

Is the category of measurable spaces MONOIDAL closed? (fake-proof)

$A\notin B$ set thoery

Two solutions to complex equation causing a problem

How to know when the Collatz conjecture has been proved?

What are limitations of proofs by contrapositive?

I "proved" that Cauchy-ness is preserved by continuous functions. Where did I go wrong?

If dividing by a variable gives a contradiction, does that imply that the variable must be zero?

What's wrong with this proof of $0! = 1$

Is my proof valid? Basic proof for set theory, also is the argument valid if the goal is the other way around?

(Fake proof) Bounded linear operators $\mathcal{L}(X,Y)$ between separable Banach spaces $X$, $Y$ is itself a separable Banach space?

Proof That $\sin{(bt)} = b\sin{(t)}$?

Having trouble debunking my friend's "proof" that "There is no real number greater than 0"

Fake Proof: Integral over Closed Contour in Complex Plane is Always Zero

Brackets in exponentiation

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