Suppose A is the set composed of all ordered pairs of positive integers. Let R be the relation defined on A where (a, b) R(c, d) means that a+d=b+c .
(a) Prove that R is an equivalence relation.
(b) Find [(2,4)] .

Question

Suppose  A  is the set composed of all ordered pairs of positive integers. Let  R  be the relation defined on  A  where  (a, b) R(c, d)  means that  a+d=b+c .
(a) Prove that  R  is an equivalence relation.
(b) Find  [(2,4)] .

Quizplus · Accepted Answer

The Answer of Suppose  A  is the set composed of all ordered pairs of positive integers. Let  R  be the relation defined on  A  where  (a, b) R(c, d)  means that  a+d=b+c .
(a) Prove that  R  is an equivalence relation.
(b) Find  [(2,4)] .

Suppose a Is the Set Composed of All