Let R1 and R2 be two equivalence relations on a set. Is R1 ∪ R2 an – McqOptions

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1.	Let R1 and R2 be two equivalence relations on a set. Is R1 ∪ R2 an equivalence relation?
A.	an equivalence relation
B.	reflexive closure of relation
C.	not an equivalence relation
D.	partial equivalence relation
Answer» B. reflexive closure of relation

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