List questions from relations

Published on 13 Apr 2026 - 19:10

88

Views

Is $a \mapsto 2a$ bijective?

Published on 10 Apr 2026 - 18:15

85

Views

How to write piecewise relation

Published on 12 Apr 2026 - 9:50

79

Views

Find properties of relations

Published on 11 Apr 2026 - 15:35

124

Views

Set theory properties of relations

Published on 09 Apr 2026 - 15:25

101

Views

counting all 1 to n-ary relations on a set size m

Published on 16 Apr 2026 - 10:08

83

Views

Unknown notation for preimage

Published on 13 Apr 2026 - 9:42

297

Views

Map, injection or both?

Published on 17 Apr 2026 - 10:06

45

Views

Relation on set, how is it transitive?

Published on 14 Apr 2026 - 20:01

37

Views

Details of this definition of an initial segment of a binary structure

Published on 18 Apr 2026 - 10:00

32

Views

Prove that $(A_1 \cup A_2, R)$ is a well-ordered poset

Published on 14 Apr 2026 - 1:22

48

Views

Proving a certain implication in the equivalent formulations of Hausdorff spaces

Published on 13 Apr 2026 - 23:23

80

Views

Prove that $X \times Y \times Z = X \times (Y \times Z) = (X \times Y) \times Z$.

Published on 16 Apr 2026 - 8:44

139

Views

Prove that the relation $\subseteq$ over $℘(\mathbb{N})$ is not well-founded.

Published on 18 Apr 2026 - 9:59

101

Views

Cycle-tree order relation

Published on 13 Apr 2026 - 19:38

List Question

Prove that a transitive relation can be "shortcutted"

Is $a \mapsto 2a$ bijective?

How to write piecewise relation

Find properties of relations

Set theory properties of relations

counting all 1 to n-ary relations on a set size m

Unknown notation for preimage

Map, injection or both?

Relation on set, how is it transitive?

Details of this definition of an initial segment of a binary structure

Prove that $(A_1 \cup A_2, R)$ is a well-ordered poset

Proving a certain implication in the equivalent formulations of Hausdorff spaces

Prove that $X \times Y \times Z = X \times (Y \times Z) = (X \times Y) \times Z$.

Prove that the relation $\subseteq$ over $℘(\mathbb{N})$ is not well-founded.

Cycle-tree order relation

Trending Questions

Popular # Hahtags

Popular Questions