Question

Prove that a partial ordered set $\mathbb{N}\times\mathbb{N}$ does not contain infinite subset whose any two elements are noncompareable

score 289 · Answer 1 · 2026-04-15 13:44:30

Prove that a partial ordered set $\mathbb{N}\times\mathbb{N}$ does not contain infinite subset whose any two elements are noncompareable

score 46 · Answer 2 · 2026-04-09 15:43:06

46

Views

How to calculate expression of union of sets?

Published on 09 Apr 2026 - 15:43

score 88 · Answer 3 · 2026-04-14 00:03:08

88

Views

Subsequence equivalence: $(a_n)$ and $(b_n)$ in $\{0,1\}^\mathbb N$ are equivalent if they have some subsequences which are equal

Published on 14 Apr 2026 - 0:03

score 46 · Answer 4 · 2026-04-12 17:23:32

46

Views

Notation for strips in $\mathbb{R}^n$

Published on 12 Apr 2026 - 17:23

score 33 · Answer 5 · 2026-04-15 12:42:26

33

Views

Proving lemmas during construction of non-measurable sets.

Published on 15 Apr 2026 - 12:42

score 35 · Answer 6 · 2026-04-13 20:13:01

35

Views

Is the set inside a set subset of the bigger set?

Published on 13 Apr 2026 - 20:13

score 44 · Answer 7 · 2026-04-12 13:19:13

44

Views

What properties of relations does this satisfy?

Published on 12 Apr 2026 - 13:19

score 70 · Answer 8 · 2026-04-12 02:50:30

70

Views

What is the union of the set $\mathbb Z$ and $\mathbb Z$?

Published on 12 Apr 2026 - 2:50

score 42 · Answer 9 · 2026-04-17 10:37:54

42

Views

The intersection of $X = \{x ∈ \Bbb R\ |\ 0 ≤ x < 6 \}$ and $Y=\{x∈\Bbb Z\ |\ −π≤x≤7\}$ is

Published on 17 Apr 2026 - 10:37

score 117 · Answer 10 · 2026-04-12 04:44:12

117

Views

What is the ratio $\#O:\#E$ equivalent to?

Published on 12 Apr 2026 - 4:44

score 332 · Answer 11 · 2026-04-11 19:10:37

332

Views

If V is infinite dimensional, then V and V* are not isomorphic.

Published on 11 Apr 2026 - 19:10

score 120 · Answer 12 · 2026-04-14 20:16:10

120

Views

Is ( (A⊆B) & (B⊆A) ) → A = B a theorem?

Published on 14 Apr 2026 - 20:16

score 34 · Answer 13 · 2026-04-17 09:03:32

34

Views

Does (A∩C)=(B∩C)∧(A∪C)=(B∪C) mean {(A∩C)=(B∩C)}∧{(A∪C)=(B∪C)} ?

Published on 17 Apr 2026 - 9:03

score 196 · Answer 14 · 2026-04-14 21:52:05

196

Views

Is there a set A s.t. $|\mathcal{P}(A)| = |\mathbb{N}|$?

Published on 14 Apr 2026 - 21:52

score 53 · Answer 15 · 2026-04-09 16:27:48

53

Views

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

Published on 09 Apr 2026 - 16:27

List Question

Prove that a partial ordered set $\mathbb{N}\times\mathbb{N}$ does not contain infinite subset whose any two elements are noncompareable

How to calculate expression of union of sets?

Subsequence equivalence: $(a_n)$ and $(b_n)$ in $\{0,1\}^\mathbb N$ are equivalent if they have some subsequences which are equal

Notation for strips in $\mathbb{R}^n$

Proving lemmas during construction of non-measurable sets.

Is the set inside a set subset of the bigger set?

What properties of relations does this satisfy?

What is the union of the set $\mathbb Z$ and $\mathbb Z$?

The intersection of $X = \{x ∈ \Bbb R\ |\ 0 ≤ x < 6 \}$ and $Y=\{x∈\Bbb Z\ |\ −π≤x≤7\}$ is

What is the ratio $\#O:\#E$ equivalent to?

If V is infinite dimensional, then V and V* are not isomorphic.

Is ( (A⊆B) & (B⊆A) ) → A = B a theorem?

Does (A∩C)=(B∩C)∧(A∪C)=(B∪C) mean {(A∩C)=(B∩C)}∧{(A∪C)=(B∪C)} ?

Is there a set A s.t. $|\mathcal{P}(A)| = |\mathbb{N}|$?

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

Trending Questions

Popular # Hahtags

Popular Questions