Fix 3f

hw1.tex

@@ -101,7 +101,7 @@
         \item $B \intersection \overline{A}$
         \item $B \times 2^{\Set{C}}$
         \item $D^{\card{C}}$
-        \item $\Set{D \intersection \Set{A}} \times (D \union \card{D})$
+        \item $\Set{D \intersection \Set{A}} \times (D \union \Set{\card{D}})$
     \end{subtasks}
     \end{multicols}