Math Problem Statement

Consider S={1,2,3} and the following relation R on S: R={⟨1,1⟩,⟨1,2⟩,⟨1,3⟩,⟨2,1⟩,⟨3,1⟩}. Pick the right properties of R

:

Reflexive

Symmetric

Transitive

Total

Irreflexive:   ∀x : ⟨x,x⟩∉R

Asymmetric:   ∀x,y : ⟨x,y⟩∈R → ⟨y,x⟩∉R

Anti-symmetric

Intransitive:   ∀x,y,z : (⟨x,y⟩∈R ∧ ⟨y,z⟩∈R) → ⟨x,z⟩∉R

Give the answer without explanation

Solution

The correct properties of the relation R are:

  • Irreflexive
  • Asymmetric
  • Anti-symmetric
  • Intransitive

Let me know if you'd like further clarification or have any questions!

Here are some related questions:

  1. What does it mean for a relation to be reflexive or irreflexive?
  2. How can you determine if a relation is symmetric or asymmetric?
  3. What conditions must be met for a relation to be transitive?
  4. Can a relation be both symmetric and anti-symmetric?
  5. What does total relation mean in the context of a set?

Tip: A relation is asymmetric if whenever x is related to y, y is never related back to x.

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Math Problem Analysis

Mathematical Concepts

Set Theory
Relations
Properties of Relations

Formulas

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Theorems

Definition of Reflexivity
Definition of Symmetry
Definition of Transitivity
Definitions of Irreflexivity, Asymmetry, Anti-symmetry, and Intransitivity

Suitable Grade Level

Grades 10-12