1. List all the subsets of {2, o, t}.
To list all the subsets of {2, o, t}, we can use a systematic approach.
First, let's consider the empty set, which is a subset of every set.
Next, we can list all the subsets with one element:
{2}
{o}
{t}
Now, let's move on to subsets with two elements:
{2, o}
{2, t}
{o, t}
Finally, we have the subset with all three elements:
{2, o, t}
So, the complete list of subsets is:
{}
{2}
{o}
{t}
{2, o}
{2, t}
{o, t}
{2, o, t}