Question

An infinite division and balls problem

score 264 · Answer 1 · 2026-03-25 06:18:50

264

Views

An infinite division and balls problem

Published on 25 Mar 2026 - 6:18

score 483 · Answer 2 · 2018-09-12 17:52:59

483

Views

Set of natural and rational numbers

Published on 12 Sep 2018 - 17:52

score 168 · Answer 3 · 2018-09-13 05:54:59

168

Views

Does the closure of natural numbers under addition need to be proven or is it an axiom?

Published on 13 Sep 2018 - 5:54

score 47 · Answer 4 · 2018-09-14 14:33:30

47

Views

Find the zeros in integer multiplication

Published on 14 Sep 2018 - 14:33

score 51 · Answer 5 · 2018-09-17 17:23:50

51

Views

Prove that if $\\gcd(a,b)=1$ then $a\mathbb{N}\cap b\mathbb{N}=(ab)\mathbb{N}.$

Published on 17 Sep 2018 - 17:23

score 90 · Answer 6 · 2018-09-20 15:38:12

90

Views

How does the well-orderedness of the set of natural numbers follow assuming the inductive-set definition of natural numbers

Published on 20 Sep 2018 - 15:38

score 140 · Answer 7 · 2018-09-23 23:28:09

140

Views

Numbers that are different repeated digits in different bases

Published on 23 Sep 2018 - 23:28

score 711 · Answer 8 · 2018-09-26 01:52:18

711

Views

Can $\mathbb{N}$ be an element of $\mathbb{R}$

Published on 26 Sep 2018 - 1:52

score 38 · Answer 9 · 2018-09-29 18:32:00

38

Views

A sequence of numbers easily computable with no apparent order and with defined inverse function

Published on 29 Sep 2018 - 18:32

score 47 · Answer 10 · 2018-10-01 05:35:33

47

Views

Natural Number Object and multiplicity of its points

Published on 01 Oct 2018 - 5:35

score 4k · Answer 11 · 2018-10-02 15:24:56

4k

Views

Prove that the product of three consecutive natural numbers is divisible by 6

Published on 02 Oct 2018 - 15:24

score 43 · Answer 12 · 2018-10-04 09:05:43

43

Views

Injective map $\phi _k :P_k (\mathbb{N})\rightarrow \mathbb{N}^k$

Published on 04 Oct 2018 - 9:05

score 229 · Answer 13 · 2018-10-05 19:20:03

229

Views

Show on $\mathbb{N}$ there are $2^{\aleph_0}$ nonisomorphic linear orders.

Published on 05 Oct 2018 - 19:20

score 777 · Answer 14 · 2026-03-25 06:24:50

777

Views

Prove set of primes is equal to set of natural numbers

Published on 25 Mar 2026 - 6:24

score 27 · Answer 15 · 2018-10-10 01:24:34

27

Views

Determine the elements of the set $\{ n \in \mathbb{N} :( \exists x,y \in \mathbb{N} )(n = 2x+3y) \}.$

Published on 10 Oct 2018 - 1:24

List Question

An infinite division and balls problem

Set of natural and rational numbers

Does the closure of natural numbers under addition need to be proven or is it an axiom?

Find the zeros in integer multiplication

Prove that if $\\gcd(a,b)=1$ then $a\mathbb{N}\cap b\mathbb{N}=(ab)\mathbb{N}.$

How does the well-orderedness of the set of natural numbers follow assuming the inductive-set definition of natural numbers

Numbers that are different repeated digits in different bases

Can $\mathbb{N}$ be an element of $\mathbb{R}$

A sequence of numbers easily computable with no apparent order and with defined inverse function

Natural Number Object and multiplicity of its points

Prove that the product of three consecutive natural numbers is divisible by 6

Injective map $\phi _k :P_k (\mathbb{N})\rightarrow \mathbb{N}^k$

Show on $\mathbb{N}$ there are $2^{\aleph_0}$ nonisomorphic linear orders.

Prove set of primes is equal to set of natural numbers

Determine the elements of the set $\{ n \in \mathbb{N} :( \exists x,y \in \mathbb{N} )(n = 2x+3y) \}.$

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