S = {x|x ≤ 13, x ∈ bilangan cacah}
A = {x|x < 13, x ∈ bilangan prima}
Ac = …
{1, 4, 6, 8, 9, 12, 10, 13, 0}
{1, 4, 6, 8, 9, 10, 12, 13}
{0, 1, 4, 6, 8, 9, 10, 2, 13, 12}
{1, 4, 6, 8, 9, 10, 2, 13, 12}