Test Mode
Reading Mode
Right = 0
Wrong = 0
P' = {x: x ∈ P. x ∈ U}
P' = {x: x ∉ P, x ∈ U}
P' = {x: x ∉ P, x ∉ U}
P' = {x: x ∈ P, x ∉ U}
{1,3,5,11}
{3,5,11}
{1, 7, 9, 13}
{3,5, 11,3,5,11}