Question

Should the smallest element be the greatest lower bound

score 700 · Answer 1 · 2016-10-27 07:09:30

700

Views

Should the smallest element be the greatest lower bound

Published on 27 Oct 2016 - 7:09

score 3k · Answer 2 · 2016-10-28 03:32:51

3k

Views

Is the relation {(1,1),(1,2)} transitive?

Published on 28 Oct 2016 - 3:32

score 1.9k · Answer 3 · 2026-04-01 16:29:49

1.9k

Views

Prove that if S is a symmetric relation on A and R $\subseteq$ S, then $R^{-1}$ $\subseteq$ S

Published on 01 Apr 2026 - 16:29

score 156 · Answer 4 · 2016-10-28 21:06:49

156

Views

Proportional Versus Linear

Published on 28 Oct 2016 - 21:06

score 255 · Answer 5 · 2016-10-31 04:59:06

255

Views

Given set A, is the relation A x A always anti symmetric?

Published on 31 Oct 2016 - 4:59

score 18 · Answer 6 · 2026-03-21 05:42:05

18

Views

What could $id_{D(R)}$ and $id_{W(R)}$ mean in context of relation and reverse relation

Published on 21 Mar 2026 - 5:42

score 4.8k · Answer 7 · 2016-11-01 21:55:32

4.8k

Views

Example of a relation that is reflexive, symmetric, antisymmetric but not transitive.

Published on 01 Nov 2016 - 21:55

score 1k · Answer 8 · 2016-11-01 23:15:27

1k

Views

Antisymmetric proof in x | y relation.

Published on 01 Nov 2016 - 23:15

score 1k · Answer 9 · 2016-11-03 04:33:49

1k

Views

R and S are equivalence relations on set A. Prove $R\cap S$ is an equivalence relation on A.

Published on 03 Nov 2016 - 4:33

score 949 · Answer 10 · 2026-03-27 07:35:36

949

Views

How to prove partition into $A_k=\{2^kn | n \in \mathbb N \text{ and }n\text{ is odd}\}$

Published on 27 Mar 2026 - 7:35

score 56 · Answer 11 · 2026-04-01 16:27:51

56

Views

Let R be a partial order for a set A and B $\subseteq$ A. Then if inf(B) exists, it is unique.

Published on 01 Apr 2026 - 16:27

score 45 · Answer 12 · 2026-04-01 16:18:05

45

Views

Let $\sim$ be a relation on $\mathbb R^2$

Published on 01 Apr 2026 - 16:18

score 1.8k · Answer 13 · 2016-11-04 04:37:38

1.8k

Views

Prove if this is a linear order or if it not a linear order on $\mathbb N$?

Published on 04 Nov 2016 - 4:37

score 326 · Answer 14 · 2016-11-04 18:18:49

326

Views

two examples of relations with some conditions (transitive, irreflexive, asymmetric)

Published on 04 Nov 2016 - 18:18

score 49 · Answer 15 · 2016-11-04 21:15:42

49

Views

How to know this statement with classes & modulo is incorrect?

Published on 04 Nov 2016 - 21:15

List Question

Should the smallest element be the greatest lower bound

Is the relation {(1,1),(1,2)} transitive?

Prove that if S is a symmetric relation on A and R $\subseteq$ S, then $R^{-1}$ $\subseteq$ S

Proportional Versus Linear

Given set A, is the relation A x A always anti symmetric?

What could $id_{D(R)}$ and $id_{W(R)}$ mean in context of relation and reverse relation

Example of a relation that is reflexive, symmetric, antisymmetric but not transitive.

Antisymmetric proof in x | y relation.

R and S are equivalence relations on set A. Prove $R\cap S$ is an equivalence relation on A.

How to prove partition into $A_k=\{2^kn | n \in \mathbb N \text{ and }n\text{ is odd}\}$

Let R be a partial order for a set A and B $\subseteq$ A. Then if inf(B) exists, it is unique.

Let $\sim$ be a relation on $\mathbb R^2$

Prove if this is a linear order or if it not a linear order on $\mathbb N$?

two examples of relations with some conditions (transitive, irreflexive, asymmetric)

How to know this statement with classes & modulo is incorrect?

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