Question

Show that there are no squares included in the sequences

score 387 · Answer 1 · 2026-04-01 18:15:26

387

Views

Show that there are no squares included in the sequences

Published on 01 Apr 2026 - 18:15

score 539 · Answer 2 · 2013-11-20 19:19:24

539

Views

Let $A$ be a set with $n$ elements

Published on 20 Nov 2013 - 19:19

score 75 · Answer 3 · 2013-11-21 17:11:32

75

Views

How many inverse relations

Published on 21 Nov 2013 - 17:11

score 64 · Answer 4 · 2026-04-07 02:28:53

64

Views

Generated equivalence relations in logics

Published on 07 Apr 2026 - 2:28

score 419 · Answer 5 · 2013-11-22 17:35:21

Give an example of relation $R$ and $S$ on $A$ such that $R$ and $S$ are nonempty, and $R \circ S$ and $S \circ R$ are empty

score 101 · Answer 6 · 2026-04-07 03:53:52

101

Views

Binary relations, closures and equivalences

Published on 07 Apr 2026 - 3:53

score 5.2k · Answer 7 · 2026-04-09 09:05:00

5.2k

Views

Finding the smallest relation that is reflexive, transitive, and symmetric

Published on 09 Apr 2026 - 9:05

score 2.1k · Answer 8 · 2013-11-24 01:44:12

2.1k

Views

Relation squared of $xRy$ iff $x-y=c$

Published on 24 Nov 2013 - 1:44

score 85 · Answer 9 · 2013-11-24 03:26:00

85

Views

Are there any relations R of size 15 on the set {1, 2, 3, 4, 5, 6} such that R is both transitive and symmetric?

Published on 24 Nov 2013 - 3:26

score 44 · Answer 10 · 2013-11-24 17:46:32

44

Views

Why $R=\{(a,b)\mid a=b \mbox{ or } a=-b\}$ is not anti symmetric?

Published on 24 Nov 2013 - 17:46

score 117 · Answer 11 · 2013-11-24 18:51:05

117

Views

Is binary-relation $\left\{\left(a,b\right)\mid a,b\in\mathbb{N}\wedge a,b \text{ are even numbers}\right\}$ reflexive?

Published on 24 Nov 2013 - 18:51

score 588 · Answer 12 · 2026-04-07 03:53:50

588

Views

Reflexive or Irreflexive

Published on 07 Apr 2026 - 3:53

score 210 · Answer 13 · 2013-11-24 20:18:30

210

Views

Why is this binary-relation symmetric?

Published on 24 Nov 2013 - 20:18

score 16.9k · Answer 14 · 2013-11-24 22:27:53

16.9k

Views

How many transitive relations on a set of $n$ elements?

Published on 24 Nov 2013 - 22:27

score 129 · Answer 15 · 2013-11-24 23:01:30

129

Views

How to find $f(2013)$ if $f(5)=45$ and $f(m)+f(n)= f(m+n)$ for all $m,n\in\mathbb N$?

Published on 24 Nov 2013 - 23:01

List Question

Show that there are no squares included in the sequences

Let $A$ be a set with $n$ elements

How many inverse relations

Generated equivalence relations in logics

Give an example of relation $R$ and $S$ on $A$ such that $R$ and $S$ are nonempty, and $R \circ S$ and $S \circ R$ are empty

Binary relations, closures and equivalences

Finding the smallest relation that is reflexive, transitive, and symmetric

Relation squared of $xRy$ iff $x-y=c$

Are there any relations R of size 15 on the set {1, 2, 3, 4, 5, 6} such that R is both transitive and symmetric?

Why $R=\{(a,b)\mid a=b \mbox{ or } a=-b\}$ is not anti symmetric?

Is binary-relation $\left\{\left(a,b\right)\mid a,b\in\mathbb{N}\wedge a,b \text{ are even numbers}\right\}$ reflexive?

Reflexive or Irreflexive

Why is this binary-relation symmetric?

How many transitive relations on a set of $n$ elements?

How to find $f(2013)$ if $f(5)=45$ and $f(m)+f(n)= f(m+n)$ for all $m,n\in\mathbb N$?

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