0 votes 0 votes rove the second De Morgan law in Table 1 by showing that if $A$ and $B$ are sets, then $\sim (A \cup B) = (\sim A \cap \sim B)$ by showing each side is a subset of the other side. using a membership table. Set Theory & Algebra kenneth-rosen discrete-mathematics set-theory&algebra + – Pooja Khatri asked Apr 6, 2019 Pooja Khatri 166 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.