Question

Prove equivalence of the following definitions of Dedekind-finiteness

score 33 · Answer 1 · 2019-07-22 14:08:13

33

Views

Prove equivalence of the following definitions of Dedekind-finiteness

Published on 22 Jul 2019 - 14:08

score 70 · Answer 2 · 2026-03-26 14:40:46

70

Views

Is it possible to define an unique operation $\varphi$, which transforms a computable function into a non computable function?

Published on 26 Mar 2026 - 14:40

score 51 · Answer 3 · 2026-03-26 17:52:18

51

Views

A semi non-computable function?

Published on 26 Mar 2026 - 17:52

score 51 · Answer 4 · 2026-03-26 17:51:59

51

Views

Under which conditions does the non-computable infinite sequences have a computable subsequences?

Published on 26 Mar 2026 - 17:51

score 2k · Answer 5 · 2019-07-28 19:50:49

2k

Views

Do parallel lines merge at infinity?

Published on 28 Jul 2019 - 19:50

score 107 · Answer 6 · 2019-08-03 20:04:07

107

Views

How to show those sets being countable or uncountable?

Published on 03 Aug 2019 - 20:04

score 125 · Answer 7 · 2019-08-07 02:58:53

125

Views

If $P(A)+P(B)>1$, find the minimum value of $P(A \cap B)$.

Published on 07 Aug 2019 - 2:58

score 58 · Answer 8 · 2019-08-12 01:16:14

58

Views

The linear slope of a parabola function over one to infinity

Published on 12 Aug 2019 - 1:16

score 112 · Answer 9 · 2019-08-15 16:31:33

112

Views

Confusion around the way infinite series are defined, and how they are used

Published on 15 Aug 2019 - 16:31

score 125 · Answer 10 · 2019-08-16 11:06:16

125

Views

An undecided probability problem

Published on 16 Aug 2019 - 11:06

score 212 · Answer 11 · 2019-08-17 21:52:26

212

Views

I don't understand the logical leap made in the analogy of $e$

Published on 17 Aug 2019 - 21:52

score 85 · Answer 12 · 2026-03-25 19:07:21

85

Views

How do you do the multiplication of an infinite sided regular polygon by an infinitesimal side to get the perimeter of it?

Published on 25 Mar 2026 - 19:07

score 140 · Answer 13 · 2019-08-21 15:29:39

140

Views

Why does the concept of limits necessitate that infinite series can be assigned a value?

Published on 21 Aug 2019 - 15:29

score 75 · Answer 14 · 2019-08-22 09:50:28

75

Views

I want to prove $\sum_{n=-\infty}^{\infty} q^{n^2} i^n = \sum_{n=-\infty}^{\infty} q^{4n^2} (-1)^n $

Published on 22 Aug 2019 - 9:50

score 390 · Answer 15 · 2019-09-07 17:24:21

390

Views

Is $\infty^\infty$ indeterminate?

Published on 07 Sep 2019 - 17:24

List Question

Prove equivalence of the following definitions of Dedekind-finiteness

Is it possible to define an unique operation $\varphi$, which transforms a computable function into a non computable function?

A semi non-computable function?

Under which conditions does the non-computable infinite sequences have a computable subsequences?

Do parallel lines merge at infinity?

How to show those sets being countable or uncountable?

If $P(A)+P(B)>1$, find the minimum value of $P(A \cap B)$.

The linear slope of a parabola function over one to infinity

Confusion around the way infinite series are defined, and how they are used

An undecided probability problem

I don't understand the logical leap made in the analogy of $e$

How do you do the multiplication of an infinite sided regular polygon by an infinitesimal side to get the perimeter of it?

Why does the concept of limits necessitate that infinite series can be assigned a value?

I want to prove $\sum_{n=-\infty}^{\infty} q^{n^2} i^n = \sum_{n=-\infty}^{\infty} q^{4n^2} (-1)^n $

Is $\infty^\infty$ indeterminate?

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