0 votes 0 votes Explain why $(A \times B) \times (C \times D)$ and $A \times (B \times C) \times D$ are not the same. Set Theory & Algebra kenneth-rosen discrete-mathematics set-theory&algebra + – Pooja Khatri asked Apr 5, 2019 Pooja Khatri 187 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.