Question

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

score 2.4k · Answer 1 · 2026-04-11 00:09:26

2.4k

Views

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

Published on 11 Apr 2026 - 0:09

score 433 · Answer 2 · 2026-04-12 09:55:33

433

Views

Elementary question about a fake-proof and greatest common divisors

Published on 12 Apr 2026 - 9:55

score 182 · Answer 3 · 2026-04-16 18:21:52

182

Views

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

Published on 16 Apr 2026 - 18:21

score 84 · Answer 4 · 2026-04-12 00:56:27

84

Views

Finding an inconsistency in a seemingly flawless elementary proof of FLT

Published on 12 Apr 2026 - 0:56

score 484 · Answer 5 · 2026-04-10 22:40:40

484

Views

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

Published on 10 Apr 2026 - 22:40

score 210 · Answer 6 · 2026-04-10 19:01:08

210

Views

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

Published on 10 Apr 2026 - 19:01

score 681 · Answer 7 · 2026-04-25 11:13:31

681

Views

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

Published on 25 Apr 2026 - 11:13

score 224 · Answer 8 · 2026-04-12 06:43:36

224

Views

Proof by deduction - implications

Published on 12 Apr 2026 - 6:43

score 106 · Answer 9 · 2026-04-13 14:42:23

106

Views

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

Published on 13 Apr 2026 - 14:42

score 119 · Answer 10 · 2026-04-11 09:14:13

119

Views

Where is the logical flaw in solving this equation?

Published on 11 Apr 2026 - 9:14

score 339 · Answer 11 · 2026-04-14 05:42:05

339

Views

What's wrong with my deformation retract?

Published on 14 Apr 2026 - 5:42

score 603 · Answer 12 · 2026-04-12 05:20:55

603

Views

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

Published on 12 Apr 2026 - 5:20

score 168 · Answer 13 · 2026-04-18 12:16:20

168

Views

Confusion about infinite product of fields

Published on 18 Apr 2026 - 12:16

score 252 · Answer 14 · 2026-04-14 13:03:52

252

Views

Proof that $0=1$?

Published on 14 Apr 2026 - 13:03

score 1k · Answer 15 · 2026-04-14 02:49:47

1k

Views

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

Published on 14 Apr 2026 - 2:49

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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