Question

What is the complement of a set ?

Answer 1

it is the set of all elements in the universal set that are not in your original set

Answer 2

for example if U={1,2,3,4,5,6,7,8,9,10}

and A={3,4,5}

then the complement of A is {1,2,6,7,8,9,10}

Answer 3

so basically , everything thats not in a given set ?

Answer 4

that everything being the universal set.