List questions from natural-numbers

Published on 09 Apr 2026 - 16:27

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How many natural number this equation have?

Published on 10 Apr 2026 - 22:24

1.1k

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Arranging $\mathbb N$ into a two-dimensional array to prove a countably infinite collection of countable sets is countable.

Published on 14 Apr 2026 - 7:48

51

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Finding integral values of $3$ different variables.

Published on 14 Apr 2026 - 13:47

122

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How do I solve $\frac{(n+2)!-n!}{5!} = 330$?

Published on 16 Apr 2026 - 23:49

136

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How to prove that $N\setminus A$ is finite?

Published on 12 Apr 2026 - 4:02

165

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Predicate formulas on the natural numbers using only $\le$.

Published on 12 Apr 2026 - 11:34

48

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Distribution of natural numbers inward in a line segment

Published on 14 Apr 2026 - 13:17

471

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Prove by induction that for every natural number $n$ is worth $2^n + 3^n ≤ 5^n$

Published on 15 Apr 2026 - 8:30

91

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Proof that an injective system with $i\notin\textrm{ran}{f}$ has a Peano subsystem.

Published on 10 May 2026 - 17:38

66

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Limiting set of scaled natural numbers $\mathbb{N}$

Published on 14 Apr 2026 - 7:13

5.1k

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Produce an infinite collection of sets $A_1, A_2, A_3,...$ with the property that

Published on 15 Apr 2026 - 18:50

71

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Solving an equation for positive integral values of variables.

Published on 14 Apr 2026 - 17:17

1k

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Finding the last two digits of the given number.

Published on 10 Apr 2026 - 11:50

87

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Demostration of Prime and Integers number Propositions

Published on 14 Apr 2026 - 8:26

List Question

How can I define $A$ in according to these demands?

How many natural number this equation have?

Arranging $\mathbb N$ into a two-dimensional array to prove a countably infinite collection of countable sets is countable.

Finding integral values of $3$ different variables.

How do I solve $\frac{(n+2)!-n!}{5!} = 330$?

How to prove that $N\setminus A$ is finite?

Predicate formulas on the natural numbers using only $\le$.

Distribution of natural numbers inward in a line segment

Prove by induction that for every natural number $n$ is worth $2^n + 3^n ≤ 5^n$

Proof that an injective system with $i\notin\textrm{ran}{f}$ has a Peano subsystem.

Limiting set of scaled natural numbers $\mathbb{N}$

Produce an infinite collection of sets $A_1, A_2, A_3,...$ with the property that

Solving an equation for positive integral values of variables.

Finding the last two digits of the given number.

Demostration of Prime and Integers number Propositions

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