0 votes 0 votes Prove that $P(A) \subseteq P(B)$ if and only if $A \subseteq B.$ Set Theory & Algebra kenneth-rosen discrete-mathematics set-theory&algebra + – Pooja Khatri asked Apr 5, 2019 Pooja Khatri 208 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.