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+Fixpoint demo_recursion(n:nat) := match n with
+ |0 => Type
+ |S k => (demo_recursion k) -> Type
+ end.
+
+Record Demonstration := mkDemo
+{
+ demo_law : forall n:nat, demo_recursion n;
+ demo_stuff : forall n:nat, forall q:(fix demo_recursion (n : nat) : Type :=
+ match n with
+ | 0 => Type
+ | S k => demo_recursion k -> Type
+ end) n, (demo_law (S n)) q
+}.
+
+Theorem DemoError : Demonstration.
+Fail apply mkDemo. (*Anomaly: Uncaught exception Not_found. Please report.*)