List questions from fake-proofs

Published on 28 Jun 2021 - 12:17

132

Views

Why is this proof of the Frent-Serret formulae wrong?

Published on 25 Mar 2026 - 17:39

218

Views

What is the flaw in proving $i=0$ from $\ln(1)=0$?

Published on 19 Jul 2021 - 16:46

126

Views

Proving $\frac{1}{2}=1$ using inverse trigonometry

Published on 22 Jul 2021 - 20:13

153

Views

Can someone find the flaw in an argument that $\int_0^{\infty}\sin x dx=1$?

Published on 25 Jul 2021 - 8:54

293

Views

Fake proof that $(5)$ is a prime ideal in $\mathbf{Z}[i]$

Published on 28 Jul 2021 - 23:08

293

Views

Why does this “proof” for the Collatz conjecture not work?

Published on 29 Mar 2026 - 23:41

103

Views

Fake proof of the Axiom of Specification

Published on 05 Aug 2021 - 15:01

304

Views

Where is the fallacy in this "proof" of $\lim_{x \to a} x^2 = a^2$?

Published on 22 Aug 2021 - 23:50

86

Views

Muirhead inequality doesn't require majorisation condition?

Published on 14 Mar 2026 - 14:21

735

Views

Questions about the proof: "all positive integers are equal"

Published on 25 Aug 2021 - 18:27

105

Views

$A\subset (B\cup C)$ $\implies$ $A\subset B $ or $A\subset C$

Published on 31 Aug 2021 - 4:25

155

Views

Is there an equivalence between $a$ and $b$ when $ab \in H$, $H \subset G$

Published on 12 Sep 2021 - 11:20

138

Views

Where is the error in this "proof" that $1=0$?

Published on 14 Sep 2021 - 5:31

206

Views

Proof that $i=1=-1$( Mathematical Fallacy)

Published on 25 Sep 2021 - 13:16

List Question

Why doesn't $\int\lfloor {x}\rfloor~dx=x\lfloor x\rfloor +C$?

Why is this proof of the Frent-Serret formulae wrong?

What is the flaw in proving $i=0$ from $\ln(1)=0$?

Proving $\frac{1}{2}=1$ using inverse trigonometry

Can someone find the flaw in an argument that $\int_0^{\infty}\sin x dx=1$?

Fake proof that $(5)$ is a prime ideal in $\mathbf{Z}[i]$

Why does this “proof” for the Collatz conjecture not work?

Fake proof of the Axiom of Specification

Where is the fallacy in this "proof" of $\lim_{x \to a} x^2 = a^2$?

Muirhead inequality doesn't require majorisation condition?

Questions about the proof: "all positive integers are equal"

$A\subset (B\cup C)$ $\implies$ $A\subset B $ or $A\subset C$

Is there an equivalence between $a$ and $b$ when $ab \in H$, $H \subset G$

Where is the error in this "proof" that $1=0$?

Proof that $i=1=-1$( Mathematical Fallacy)

Trending Questions

Popular # Hahtags

Popular Questions