(* Contribution to the Coq Library   V6.3 (July 1999)                    *)
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(* This contribution was updated for Coq V5.10 by the COQ workgroup.        *)
(* January 1995                                                             *)
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(*                                ex1_auto.v                                *)
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auto.
Qed.
intros A B H'; elim H'; auto.
Qed.
intros A B H'; elim H'; auto.
Qed.
auto.
Qed.

Theorem S : forall A B C : Prop, (A -> B -> C) -> (A -> B) -> A -> C.