Let A = {1, 2, 3, 4, 5, 6}. Define a relation R from A to A by R = {(x, y) : y = x+1}.

Explanation

A = {(1, 2, 3, 4, 5, 6}
R = {(x, y) : y = x + 1}
R = {(1, 2), (2, 3), (3, 4), (4, 5), (5, 6)}