Question

Dado o conjunto A { 1, 2, 3, 4}, assinale a única relação, abaixo, que é Reflexiva a. R = { (1,1), (1,2), (2,2), (1,3), (2,3) (3,3), (2,4), (4,4) } b. R = { (1,1), (1,2), (1,4), (2,3), (3,3), (2,4), (4,1), (4,4) } c. R = { (1,1), (1,2), (2,2), (1,3), (2,3) , (4,1), (2,4), (4,4) } d. R = { (1,2), (1,3), (1,4), (2,2), (2,1), (3,3), (2,4), (4,4) } e. R = { (1,2), (2,1), (1,3), (3,1), (2,3), (3,3), (2,4), (4,4) }

Answer 1

  Resposta: A { (1,1), (1,2), (2,2), (1,3), (2,3) (3,3), (2,4), (4,4) }