Question

Characterizing infinite Dedekind-finite sets.

score 182 · Answer 1 · 2020-07-13 13:36:39

182

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Characterizing infinite Dedekind-finite sets.

Published on 13 Jul 2020 - 13:36

score 86 · Answer 2 · 2020-07-13 14:27:53

86

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I want to know radius of convergence. $\sum ^{\infty }_{n=0}\left\{ 3+\left( -1\right) ^{n}\right\} x^{n}$

Published on 13 Jul 2020 - 14:27

score 207 · Answer 3 · 2026-03-26 04:29:31

207

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Finding the Möbius transformation when $z= \infty$

Published on 26 Mar 2026 - 4:29

score 50 · Answer 4 · 2020-07-18 05:46:07

50

Views

A Question about Infinity Values

Published on 18 Jul 2020 - 5:46

score 898 · Answer 5 · 2020-07-18 06:52:05

898

Views

Infinite number of apples in a box

Published on 18 Jul 2020 - 6:52

score 193 · Answer 6 · 2020-07-18 09:31:22

193

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ZF minus Axiom of Infinity $\vdash$ If there exists a set that is not finite then $\Bbb N$ exists

Published on 18 Jul 2020 - 9:31

score 7.8k · Answer 7 · 2026-03-25 18:54:51

7.8k

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Zeno's Achilles & Tortoise - Where exactly is the proof wrong?

Published on 25 Mar 2026 - 18:54

score 255 · Answer 8 · 2026-03-25 15:41:23

255

Views

What does it mean for an expression to be "finite but not infinitesimal"?

Published on 25 Mar 2026 - 15:41

score 82 · Answer 9 · 2020-07-20 14:08:12

82

Views

Infinite sum $\sum ^{\infty }_{n=1}\frac {n( n+1)^{2}}{(n-1)!}x^{n}$

Published on 20 Jul 2020 - 14:08

score 72 · Answer 10 · 2026-03-25 15:39:43

72

Views

denominator with standard part 0

Published on 25 Mar 2026 - 15:39

score 134 · Answer 11 · 2020-07-20 19:32:51

134

Views

How is the "diagonal proof" valid?

Published on 20 Jul 2020 - 19:32

score 47 · Answer 12 · 2026-03-26 16:26:17

47

Views

Finite ratios between pairs of infinities

Published on 26 Mar 2026 - 16:26

score 67 · Answer 13 · 2020-07-25 13:19:18

67

Views

Proof that $\lim_{x\rightarrow \infty} f(x+a) =\lim_{x\rightarrow \infty} f(x) $ for constant $a$

Published on 25 Jul 2020 - 13:19

score 364 · Answer 14 · 2020-07-25 17:24:04

364

Views

Cantor's theorem and countable additivity of Lebesgue measure

Published on 25 Jul 2020 - 17:24

score 84 · Answer 15 · 2020-07-27 11:27:11

84

Views

Is countable infinity part of the natural numbers?

Published on 27 Jul 2020 - 11:27

List Question

Characterizing infinite Dedekind-finite sets.

I want to know radius of convergence. $\sum ^{\infty }_{n=0}\left\{ 3+\left( -1\right) ^{n}\right\} x^{n}$

Finding the Möbius transformation when $z= \infty$

A Question about Infinity Values

Infinite number of apples in a box

ZF minus Axiom of Infinity $\vdash$ If there exists a set that is not finite then $\Bbb N$ exists

Zeno's Achilles & Tortoise - Where exactly is the proof wrong?

What does it mean for an expression to be "finite but not infinitesimal"?

Infinite sum $\sum ^{\infty }_{n=1}\frac {n( n+1)^{2}}{(n-1)!}x^{n}$

denominator with standard part 0

How is the "diagonal proof" valid?

Finite ratios between pairs of infinities

Proof that $\lim_{x\rightarrow \infty} f(x+a) =\lim_{x\rightarrow \infty} f(x) $ for constant $a$

Cantor's theorem and countable additivity of Lebesgue measure

Is countable infinity part of the natural numbers?

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