Question

Where is the mistake in this "proof" of the inconsistency of ZFC?

score 2.4k · Answer 1 · 2018-10-30 00:44:25

2.4k

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Where is the mistake in this "proof" of the inconsistency of ZFC?

Published on 30 Oct 2018 - 0:44

score 430 · Answer 2 · 2018-10-30 02:30:03

430

Views

Elementary question about a fake-proof and greatest common divisors

Published on 30 Oct 2018 - 2:30

score 179 · Answer 3 · 2018-11-02 02:31:20

179

Views

Why the opposite direction of proving $\mathcal P(A) \cup \mathcal P(B) \subseteq \mathcal P(A\cup B)$ is wrong

Published on 02 Nov 2018 - 2:31

score 81 · Answer 4 · 2018-11-02 15:49:36

81

Views

Finding an inconsistency in a seemingly flawless elementary proof of FLT

Published on 02 Nov 2018 - 15:49

score 481 · Answer 5 · 2018-11-04 08:54:35

481

Views

Why do we need continuity of partial derivatives to prove differentiability?

Published on 04 Nov 2018 - 8:54

score 207 · Answer 6 · 2018-11-06 15:28:13

207

Views

What's the error in my proof of the statement: The product of two irrational numbers is irrational?

Published on 06 Nov 2018 - 15:28

score 676 · Answer 7 · 2026-03-19 18:18:52

676

Views

Locally free $\mathcal{O}_{X}$ modules are not projective

Published on 19 Mar 2026 - 18:18

score 220 · Answer 8 · 2018-11-10 12:40:49

220

Views

Proof by deduction - implications

Published on 10 Nov 2018 - 12:40

score 103 · Answer 9 · 2018-11-10 18:24:12

103

Views

Fake proof that 1 = -1 (Can't understand the mistake)

Published on 10 Nov 2018 - 18:24

score 116 · Answer 10 · 2018-11-14 03:24:44

116

Views

Where is the logical flaw in solving this equation?

Published on 14 Nov 2018 - 3:24

score 336 · Answer 11 · 2018-11-17 22:18:23

336

Views

What's wrong with my deformation retract?

Published on 17 Nov 2018 - 22:18

score 600 · Answer 12 · 2018-11-23 12:38:47

600

Views

Proof that the square root of a negative number is real.

Published on 23 Nov 2018 - 12:38

score 163 · Answer 13 · 2018-11-26 20:12:17

163

Views

Confusion about infinite product of fields

Published on 26 Nov 2018 - 20:12

score 248 · Answer 14 · 2018-11-27 22:46:02

248

Views

Proof that $0=1$?

Published on 27 Nov 2018 - 22:46

score 1k · Answer 15 · 2018-12-12 21:59:13

1k

Views

Why are people still looking for an elementary proof of Fermat's Last Theorem?

Published on 12 Dec 2018 - 21:59

List Question

Where is the mistake in this "proof" of the inconsistency of ZFC?

Elementary question about a fake-proof and greatest common divisors

Why the opposite direction of proving $\mathcal P(A) \cup \mathcal P(B) \subseteq \mathcal P(A\cup B)$ is wrong

Finding an inconsistency in a seemingly flawless elementary proof of FLT

Why do we need continuity of partial derivatives to prove differentiability?

What's the error in my proof of the statement: The product of two irrational numbers is irrational?

Locally free $\mathcal{O}_{X}$ modules are not projective

Proof by deduction - implications

Fake proof that 1 = -1 (Can't understand the mistake)

Where is the logical flaw in solving this equation?

What's wrong with my deformation retract?

Proof that the square root of a negative number is real.

Confusion about infinite product of fields

Proof that $0=1$?

Why are people still looking for an elementary proof of Fermat's Last Theorem?

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