Practice question

MCQ

Question

(a₁, a₂) ∈R implies that (a₂, a₁) ∈ R, for all a₁, a₂∈A. This condition is for which of the following relations?

Choose one · Correct answer highlighted

Symmetric relation Correct Reflexive relation Equivalence relation Universal relation

Notice that after simplifying, Symmetric relation is left. The method is simple: formula → substitution → calculation → answer.

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