List all the subsets of {2, o, t}.
{ } , the null set
{2}, {o}, {t}
{2,o}, {2,t}, {o,t}
{2,o,t}
notice there are 8 subsets or 2^3.
for a set of n elements there will be 2^n subsets
{2}, {o}, {t}
{2,o}, {2,t}, {o,t}
{2,o,t}
notice there are 8 subsets or 2^3.
for a set of n elements there will be 2^n subsets