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(* Check that arguments of impredicative types are not considered
subterms for the guard condition (an example by Thierry Coquand) *)
Inductive I : Prop :=
| C: (forall P:Prop, P->P) -> I.
Definition i0 := C (fun _ x => x).
Fail Definition Paradox : False :=
(fix ni i : False :=
match i with
| C f => ni (f _ i)
end) i0.
|
