Q42

MCQ2 marks, −0.5

Let $R$ and $S$ be any two equivalence relations on a non-empty set $A$ . Which one of the following statements is TRUE?

(A)

$R$ $∪$ $S$ , $R$ $∩$ $S$ are both equivalence relations

(B)

$R$ $∪$ $S$ is an equivalence relation

(C)

$R$ $∩$ $S$ is an equivalence relation

(D)

Neither $R$ $∪$ $S$ nor $R$ $∩$ $S$ are equivalence relations

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