a) an equivalence relation
b) reflexive closure of relation
c) not an equivalence relation
d) partial equivalence relation
Let R1 and R2 be two equivalence relations on a set. Is R1 ∪ R2 an equivalence relation?
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Let R1 and R2 be two equivalence relations on a set. Is R1 ∪ R2 an equivalence relation?
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