Question 261923
Here are all of the subsets of {p,q,r,s,t}



{p,q,r,s,t},
{p,q,r,s}, {p,q,r,t}, {p,q,s,t}, {p,r,s,t}, {q,r,s,t},
{p,q,r}, {p,q,s}, {p,q,t}, {p,r,s}, {p,r,t}, {p,s,t}, {q,r,s}, {q,r,t}, {q,s,t}, {r,s,t},
{p,q}, {p,r}, {p,s}, {p,t}, {q,r}, {q,s}, {q,t}, {r,s}, {r,t}, {s,t},
{p}, {q}, {r}, {s}, {t},
{}


Note: {} denotes the empty set