Question

$n$-tuples as nested ordered pairs: a formal definition using recursion on $\mathbb{N}$

score 570 · Answer 1 · 2026-05-10 19:01:44

570

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$n$-tuples as nested ordered pairs: a formal definition using recursion on $\mathbb{N}$

Published on 10 May 2026 - 19:01

score 118 · Answer 2 · 2026-05-10 18:42:49

118

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Proving the commutative law for 1-based $\Bbb{N}$

Published on 10 May 2026 - 18:42

score 98 · Answer 3 · 2026-04-11 18:12:30

98

Views

Writing numbers with fewer symbols using expressions with powers

Published on 11 Apr 2026 - 18:12

score 371 · Answer 4 · 2026-04-13 02:10:51

371

Views

An endofunction on natural numbers defined by induction on $n$.

Published on 13 Apr 2026 - 2:10

score 69 · Answer 5 · 2026-04-11 09:43:46

69

Views

Linear ordering $\leq$ on $\mathbb{Z}$ in ZFC

Published on 11 Apr 2026 - 9:43

score 33 · Answer 6 · 2026-04-10 08:42:56

33

Views

Proof of a practical method of a natural number's equation

Published on 10 Apr 2026 - 8:42

score 1.7k · Answer 7 · 2026-04-13 03:55:48

1.7k

Views

How to Guess This Game's Number Mathematically?

Published on 13 Apr 2026 - 3:55

score 3.7k · Answer 8 · 2026-04-28 17:43:21

3.7k

Views

How many prime numbers in a given interval?

Published on 28 Apr 2026 - 17:43

score 80 · Answer 9 · 2026-04-14 10:59:35

80

Views

Is there a general mathematical method that determines whether any sequence of natural numbers is generated by a particular mathematical law?

Published on 14 Apr 2026 - 10:59

score 317 · Answer 10 · 2026-04-09 07:21:40

317

Views

How to create an injective function to generate pseudo-random numbers with seed

Published on 09 Apr 2026 - 7:21

score 92 · Answer 11 · 2026-05-10 19:44:24

92

Views

Weird natural numbers function problem

Published on 10 May 2026 - 19:44

score 4.3k · Answer 12 · 2026-04-14 19:02:33

4.3k

Views

Find the smallest four digit number which is divisible by $15,25,40$ and $75$

Published on 14 Apr 2026 - 19:02

score 73 · Answer 13 · 2026-04-16 08:32:02

73

Views

The HCF of two numbers is $13$ and their LCM is $4095$. If one of the numbers is $819$, find the other numbers

Published on 16 Apr 2026 - 8:32

score 73 · Answer 14 · 2026-04-17 09:34:52

73

Views

Being $f_n$ a Fibonacci-like sequence, prove that if $f_n$ and $f_{n-1}$ are coprimes, then $f_n$ and $f_{n+1}$ are coprimes.

Published on 17 Apr 2026 - 9:34

score 490 · Answer 15 · 2026-04-11 19:25:22

490

Views

Bijection between two Peano triples.

Published on 11 Apr 2026 - 19:25

List Question

$n$-tuples as nested ordered pairs: a formal definition using recursion on $\mathbb{N}$

Proving the commutative law for 1-based $\Bbb{N}$

Writing numbers with fewer symbols using expressions with powers

An endofunction on natural numbers defined by induction on $n$.

Linear ordering $\leq$ on $\mathbb{Z}$ in ZFC

Proof of a practical method of a natural number's equation

How to Guess This Game's Number Mathematically?

How many prime numbers in a given interval?

Is there a general mathematical method that determines whether any sequence of natural numbers is generated by a particular mathematical law?

How to create an injective function to generate pseudo-random numbers with seed

Weird natural numbers function problem

Find the smallest four digit number which is divisible by $15,25,40$ and $75$

The HCF of two numbers is $13$ and their LCM is $4095$. If one of the numbers is $819$, find the other numbers

Being $f_n$ a Fibonacci-like sequence, prove that if $f_n$ and $f_{n-1}$ are coprimes, then $f_n$ and $f_{n+1}$ are coprimes.

Bijection between two Peano triples.

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