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diff --git a/10.md b/10.md
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--- a/10.md
+++ b/10.md
@@ -181,3 +181,7 @@
 - We are learning things in the context of underlying circuit implementations
 - We have learned how to build an adder, not a subtractor
 - When you need to show subtraction, you \*must\* negate and add
+
+---
+
+[Overflow, Comparison, ALU ->](11.md)