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मान लीजिए कि R, Q से Q में R = {(a, b): ...

मान लीजिए कि R, Q से Q में R = {`(a, b): a, b in Q` तथा `a -b in Z`} द्वारा परिभाषित एक संबंध है। सिध्द कीजिए कि
(i) (a, a) `in R` सभी `a in Q` के लिए
(ii) `(a, b) in R` का तात्पर्य है कि `(b, a) in R`
(iii) `(a, b) in R` और `(b, c) in R` का तात्पर्य है कि `(a, c) in R`

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