List questions from relations

Published on 12 Oct 2016 - 12:06

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Prove that binary relation $\rho$ on set A is symmetric and anti symmetric iff $\rho \subseteq \Delta_{A}$

Published on 12 Oct 2016 - 19:11

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Why is, x ~ y if x $\geq$ y not symmetric?

Published on 12 Oct 2016 - 19:26

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Discrete Mathematics - Composition of Relations

Published on 13 Oct 2016 - 21:16

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What is the meaning of Transitive on this Binary Relation?

Published on 14 Oct 2016 - 0:22

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Problem with composite relations

Published on 15 Oct 2016 - 14:55

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If R is symmetric, must $S=\{ (X,Y)\in P(A)\times P(A) |\forall x\in X \exists y\in Y (xRy)\} $ be symmetric?

Published on 15 Oct 2016 - 15:13

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find values of a and b for the absolute valued function $f : x \to |x-a| + b$

Published on 30 Mar 2026 - 5:13

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Finding $R \circ S$, $S \circ R$, and $R \circ R$ for given relations $R,S$

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Does this iff statement apply to totally ordered sets?

Published on 17 Oct 2016 - 9:12

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How to study relation and functions?

Published on 01 Apr 2026 - 15:03

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Trick Proof: relation of equivalence

Published on 17 Oct 2016 - 13:29

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the number of relations on X

Published on 18 Oct 2016 - 23:38

396

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Equality of arrows and the definition of a category

Published on 01 Apr 2026 - 14:46

61

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Proving a relation is function

Published on 19 Oct 2016 - 11:24

List Question

Velleman exercise 22 sec 4.4 on relations

Prove that binary relation $\rho$ on set A is symmetric and anti symmetric iff $\rho \subseteq \Delta_{A}$

Why is, x ~ y if x $\geq$ y not symmetric?

Discrete Mathematics - Composition of Relations

What is the meaning of Transitive on this Binary Relation?

Problem with composite relations

If R is symmetric, must $S=\{ (X,Y)\in P(A)\times P(A) |\forall x\in X \exists y\in Y (xRy)\} $ be symmetric?

find values of a and b for the absolute valued function $f : x \to |x-a| + b$

Finding $R \circ S$, $S \circ R$, and $R \circ R$ for given relations $R,S$

Does this iff statement apply to totally ordered sets?

How to study relation and functions?

Trick Proof: relation of equivalence

the number of relations on X

Equality of arrows and the definition of a category

Proving a relation is function

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