0 votes 0 votes What can you say about the sets $A$ and $B$ if we know that $A \cup B = A?$ $A \cap B = A?$ $A- B = A?$ $A \cap B =B \cap A?$ $A –B = B-A?$ Set Theory & Algebra kenneth-rosen discrete-mathematics set-theory&algebra + – Pooja Khatri asked Apr 6, 2019 Pooja Khatri 167 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.