1.

Let A be the set of first natural numbers and let R be a relation on A defined as follows : (x,y)ϵR⇔x≤y Express R and R−1 as sets of ordered pairs. Determine also (i) The domain of R−1 (ii) The range of R.

Answer»

Let A be the set of first natural numbers and let R be a relation on A defined as follows :

(x,y)ϵRxy

Express R and R1 as sets of ordered pairs. Determine also

(i) The domain of R1

(ii) The range of R.



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