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Check the following relations R and p for reflexive, sy...metry and transitivity. (i) arb iff b is divisible by a, where a and b

Check the following relations R and p for reflexive, sy...metry and transitivity. (i) arb iff b is divisible by a, where a and b are natu- ral numbers. (ii) ap iff is perpendicular to , where a and Bare straight lines in a plane.

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