What property states that A ∩ A = A?

What property states that A U A' = U?

True or false: A U A = ∅

What property states that A ∩ (B U C) = (A ∩ B) U (A ∩ C)?

What property states that A U ∅ = A?

What property states that A ∩ U = A?

True or false: A ∩ B = B ∩ A

True or false: A U B = B U A

True or false: A U A' = ∅

True or false: (A U B) U C = A U (B U C)