Question

Proving reflexivity and transitivity

score 104 · Answer 1 · 2013-11-06 20:35:18

104

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Proving reflexivity and transitivity

Published on 06 Nov 2013 - 20:35

score 880 · Answer 2 · 2026-04-08 10:51:24

880

Views

Finding the first, last, minimal and maximal elements in these relations.

Published on 08 Apr 2026 - 10:51

score 88 · Answer 3 · 2026-04-07 00:47:30

88

Views

What is the equivalence class of a relation's element?

Published on 07 Apr 2026 - 0:47

score 101 · Answer 4 · 2013-11-07 06:00:58

101

Views

Determining the properties for the relation over $P(\mathbb{N})$ where $ARB \iff A \cup B \in H$

Published on 07 Nov 2013 - 6:00

score 4.7k · Answer 5 · 2026-04-09 05:45:47

4.7k

Views

Transitive closure

Published on 09 Apr 2026 - 5:45

score 72 · Answer 6 · 2026-04-08 10:52:45

72

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Finding order properties in the relation $aSb \iff \exists k \in \mathbb{N} : b = ak$

Published on 08 Apr 2026 - 10:52

score 197 · Answer 7 · 2026-04-07 00:48:55

197

Views

Determining equivalence classes of certain pairs for the relation $(a,b)R(c,d) \iff a^2 + 7b^2 = c^2 +7d^2$

Published on 07 Apr 2026 - 0:48

score 114 · Answer 8 · 2013-10-24 06:16:10

114

Views

Properties of Binary Relations (Specifically, transitivity)

Published on 24 Oct 2013 - 6:16

score 2.1k · Answer 9 · 2026-04-07 00:47:13

2.1k

Views

How to determine the equivalence classes of a relation?

Published on 07 Apr 2026 - 0:47

score 75 · Answer 10 · 2026-04-07 00:49:14

75

Views

Proving that the relation $(x,y)S(x',y') \iff x - x' \in \mathbb{Z} \land y = y'$ is of equivalence.

Published on 07 Apr 2026 - 0:49

score 352 · Answer 11 · 2026-04-07 00:48:24

352

Views

Showing S is an equivalence relation in X when we know R is a reflexive and transitive relation in X.

Published on 07 Apr 2026 - 0:48

score 536 · Answer 12 · 2013-11-09 22:47:24

536

Views

Relations in Discrete Math/ tables

Published on 09 Nov 2013 - 22:47

score 428 · Answer 13 · 2026-04-08 22:35:57

428

Views

Closures of Relations

Published on 08 Apr 2026 - 22:35

score 624 · Answer 14 · 2026-04-07 00:48:54

624

Views

Transitive, symmetric $R$ such that for all $x$, there is $y$ such that $xRy$, is an equivalence relation

Published on 07 Apr 2026 - 0:48

score 596 · Answer 15 · 2013-11-11 20:35:25

596

Views

Prove that symmetric closure of R $h_{sym}(R) = R \cup R^T$

Published on 11 Nov 2013 - 20:35

List Question

Proving reflexivity and transitivity

Finding the first, last, minimal and maximal elements in these relations.

What is the equivalence class of a relation's element?

Determining the properties for the relation over $P(\mathbb{N})$ where $ARB \iff A \cup B \in H$

Transitive closure

Finding order properties in the relation $aSb \iff \exists k \in \mathbb{N} : b = ak$

Determining equivalence classes of certain pairs for the relation $(a,b)R(c,d) \iff a^2 + 7b^2 = c^2 +7d^2$

Properties of Binary Relations (Specifically, transitivity)

How to determine the equivalence classes of a relation?

Proving that the relation $(x,y)S(x',y') \iff x - x' \in \mathbb{Z} \land y = y'$ is of equivalence.

Showing S is an equivalence relation in X when we know R is a reflexive and transitive relation in X.

Relations in Discrete Math/ tables

Closures of Relations

Transitive, symmetric $R$ such that for all $x$, there is $y$ such that $xRy$, is an equivalence relation

Prove that symmetric closure of R $h_{sym}(R) = R \cup R^T$

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