Question

Show that set of natural numbers with zero ordered by division is complete lattice.

score 138 · Answer 1 · 2020-10-28 11:26:03

138

Views

Show that set of natural numbers with zero ordered by division is complete lattice.

Published on 28 Oct 2020 - 11:26

score 87 · Answer 2 · 2020-10-31 12:04:01

87

Views

Use the two properties of $S$ to show that $S =\mathbb N$

Published on 31 Oct 2020 - 12:04

score 210 · Answer 3 · 2020-11-03 21:56:28

210

Views

Why is mathematical induction necessary to prove results (eg, commutativity) for natural numbers but not for real numbers?

Published on 03 Nov 2020 - 21:56

score 88 · Answer 4 · 2020-11-09 12:18:03

88

Views

Steps to obtain integer solution to 2 equations sharing 3 variables?

Published on 09 Nov 2020 - 12:18

score 105 · Answer 5 · 2020-11-11 21:57:19

105

Views

Proving that prime numbers have exactly two factors

Published on 11 Nov 2020 - 21:57

score 62 · Answer 6 · 2020-11-16 15:25:55

62

Views

6th grade question

Published on 16 Nov 2020 - 15:25

score 299 · Answer 7 · 2026-03-25 11:12:08

299

Views

Showing the natural numbers $(\Bbb{N},<)$ do not admit quantifier elimination

Published on 25 Mar 2026 - 11:12

score 37 · Answer 8 · 2020-11-18 14:53:01

37

Views

How to prove this sentence?

Published on 18 Nov 2020 - 14:53

score 112 · Answer 9 · 2026-03-26 19:18:52

112

Views

$m^n$ has exactly $9$ digits, all of these digits are distinct.

Published on 26 Mar 2026 - 19:18

score 44 · Answer 10 · 2020-11-21 10:36:04

44

Views

Find the limit of $\dfrac{\phi(n)}{n}$ where $\phi$ is a permutation of $\Bbb N$

Published on 21 Nov 2020 - 10:36

score 173 · Answer 11 · 2026-03-27 22:03:09

173

Views

Is my proof that the Sharkovsky Ordering is a total ordering, correct?

Published on 27 Mar 2026 - 22:03

score 213 · Answer 12 · 2020-11-24 01:05:48

213

Views

Is the set of all natural numbers acctually a proper class?

Published on 24 Nov 2020 - 1:05

score 76 · Answer 13 · 2020-11-24 14:47:14

76

Views

Set of all finite subsets of $\mathbb{N}$ not equal to the to set of subsets of $\mathbb{N}$

Published on 24 Nov 2020 - 14:47

score 369 · Answer 14 · 2020-11-25 14:29:10

369

Views

Number of ways to express $n$ as a sum of squares of integers

Published on 25 Nov 2020 - 14:29

score 106 · Answer 15 · 2020-12-01 12:37:48

106

Views

Prove for any natural number $n$, ${a^n}$ + ${b^n}$ is a natural number not divisible by $5$.

Published on 01 Dec 2020 - 12:37

List Question

Show that set of natural numbers with zero ordered by division is complete lattice.

Use the two properties of $S$ to show that $S =\mathbb N$

Why is mathematical induction necessary to prove results (eg, commutativity) for natural numbers but not for real numbers?

Steps to obtain integer solution to 2 equations sharing 3 variables?

Proving that prime numbers have exactly two factors

6th grade question

Showing the natural numbers $(\Bbb{N},<)$ do not admit quantifier elimination

How to prove this sentence?

$m^n$ has exactly $9$ digits, all of these digits are distinct.

Find the limit of $\dfrac{\phi(n)}{n}$ where $\phi$ is a permutation of $\Bbb N$

Is my proof that the Sharkovsky Ordering is a total ordering, correct?

Is the set of all natural numbers acctually a proper class?

Set of all finite subsets of $\mathbb{N}$ not equal to the to set of subsets of $\mathbb{N}$

Number of ways to express $n$ as a sum of squares of integers

Prove for any natural number $n$, ${a^n}$ + ${b^n}$ is a natural number not divisible by $5$.

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