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(*         *   The Coq Proof Assistant / The Coq Development Team       *)
(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
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(*         *     GNU Lesser General Public License Version 2.1          *)
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Local Open Scope Z_scope.
(** Factorization lemmas *)
(** Other specific variants of theorems dedicated for the Omega tactic *)

Lemma new_var : forall x : Z, exists y : Z, x = y.