a) Intersection of D(A) and R is empty, where D(A) represents diagonal of set
b) R-1 is a subset of R, where R-1 represents inverse of R
c) Intersection of R and R-1 is D(A)
d) D(A) is a subset of R, where D(A) represents diagonal of set
Let R be a relation between A and B. R is asymmetric if and only if ________
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Let R be a relation between A and B. R is asymmetric if and only if ________
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