The set-builder form of the set {12,14,18,116,132,164} is
{x:x=12m, where mϵW and m≤6}
{x:x=12m, where mϵN and m≤6}
{x:x=12m, where mϵN and m<6}
{x:x=12m, where mϵW and m<6}