Question

List all the subsets of each set: {a,e,i, o}

Answer 1

$\{\}, \{a\}, \{e\}, \{i\}, \{o\}, \{a, e\}, \{a, i\}, \{a, o\}, \{e, i\}, \{e, o\}, \{i, o\}, \{a, e, i\},\\ \{a, e, o\}, \{a, i, o\}, \{e, i, o\}, \{a, e, i, o\}$