Question

Запишите бинарное отношение
A = {2, 3, 4, 5, 6, 7, 8} R = {(x, y): x, y принадлежит A, x <= y}

Answer 1

Ответ:

R = {(2,2), (2,3), (2,4), (2,5), (2,6), (2,7), (2,8), (3,3), (3,4), (3,5), (3,6), (3,7), (3,8), (4,4), (4,5), (4,6), (4,7), (4,8), (5,5), (5,6), (5,7), (5,8), (6,6), (6,7), (6,8), (7,7), (7,8), (8,8)}