(* 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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(*                           Relations_2_facts.v                            *)
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auto.
Qed.

Theorem Rplus_contains_R :
forall (U : Type) (R : Relation U), contains U (Rplus U R) R.