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Question

Suppose that R1 and R2 are reflexive relations on a set A.
Which of the following statements is correct ?

a.

R1 ∩R2 is Reflexive and R1 ∪R2 is irreflexive

b.

R1 ∩R2 is irReflexive and R1 ∪R2 is reflexive

c.

Both R1 ∩R2 and R1 ∪R2 are reflexive

d.

Both R1 ∩R2 and R1 ∪R2 are irreflexive

Answer: (c).Both R1 ∩R2 and R1 ∪R2 are reflexive

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Q. Suppose that R1 and R2 are reflexive relations on a set A. Which of the following statements is correct ?

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