Question 881853
C:{-2,2}
Empty set
{-2} {2}
{-2,2}
.
.
.

D:{-2,-1,0,1,2}
Empty Set
{-2} {-1} {0} {1} {2}
{-2,-1} {-2,0}{-2,1} {-2,2} {-1,0} {-1,1} {-1,2} {0,1} {0,2} {1,2}
{-2,-1,0} {-2,-1,1} {-2,-1,2} {-2,0,1} {-2,0,2} {-2,1,2} {-1,0,1} {-1,0,2}{-1,1,2} {0,1,2} 
{-2,-1,0,1} {-2,-1,0,2} {-2,-1,1,2} {-2,0,1,2} {-1,0,1,2}
{-2,-1,0,1,2}