List questions from relations

Published on 05 Apr 2026 - 1:48

79

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Counting Subsets of a relation $\mathcal R$

Published on 18 Dec 2015 - 3:08

62

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What does the last condition in the following corollary about monomial orderings mean?

Published on 18 Dec 2015 - 16:24

6.7k

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Equivalence relation: $aRb$ iff $2a+3b$ is divisible by $5$

Published on 05 Apr 2026 - 1:44

131

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Transitive relation

Published on 20 Dec 2015 - 11:30

1.6k

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Finding distinct equivalence classes

Published on 05 Apr 2026 - 1:39

473

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Equivalence relation and Distinct equivalence classes

Published on 05 Apr 2026 - 1:41

20.3k

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Example of a relation that is reflexive but not symmetric

Published on 27 Dec 2015 - 17:59

95

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Find the equivalence classes for $a T b \iff \frac a b \in \Bbb Q$

Published on 05 Apr 2026 - 1:45

785

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Intrepreting tuples as functions

Published on 29 Dec 2015 - 4:19

106.1k

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

Published on 29 Dec 2015 - 13:11

352

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Find the domain and image of the relation $R=\{(a, b), (c, b), (a, b)\}$

Published on 29 Dec 2015 - 15:44

177

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Prove that $\{(a, a), (b, b), (c, c), (a, b), (b, a), (c, a), (a, c)\}$ is reflexive and symmetric but not transitive.

Published on 30 Dec 2015 - 7:54

68

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Relations Question

Published on 01 Jan 2016 - 13:51

5.5k

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Proving a relation on Z×(Z-{0}) is an equivalence relation

Published on 03 Jan 2016 - 15:53

List Question

E1 and E2 are equivalent then they are "almost equivalent"

Counting Subsets of a relation $\mathcal R$

What does the last condition in the following corollary about monomial orderings mean?

Equivalence relation: $aRb$ iff $2a+3b$ is divisible by $5$

Transitive relation

Finding distinct equivalence classes

Equivalence relation and Distinct equivalence classes

Example of a relation that is reflexive but not symmetric

Find the equivalence classes for $a T b \iff \frac a b \in \Bbb Q$

Intrepreting tuples as functions

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

Find the domain and image of the relation $R=\{(a, b), (c, b), (a, b)\}$

Prove that $\{(a, a), (b, b), (c, c), (a, b), (b, a), (c, a), (a, c)\}$ is reflexive and symmetric but not transitive.

Relations Question

Proving a relation on Z×(Z-{0}) is an equivalence relation

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