Question

Which set is a subset of every set?

Answer 1

The empty set is a subset of every set (even itself)

Answer 2

is it {} ,{0}, or {1}

Answer 3

{} is the empty set since it's a set with nothing in it

Answer 4

thank you alot :)

Answer 5

you're welcome

Answer 6

A universal set contains only sets A and B. If A∩B = Ø and A and B are not the empty set, then all of the following are true except

A. A and B are disjoint
B. A is equal to B complement
C. A∪B={}
D. A is not a subset of B
?