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 # System Cascade Connection
 
-Given two discrete-time systems $A$ and $B$ connected in cascade
-to form a new system $C = x \mapsto B(A(x))$.
+Given two discrete-time systems $A$ and $B$ connected in cascade to form
+a new system $C = x \mapsto B(A(x))$, we examine the following properties:
+
+\toc
 
 ## Linearity