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(*         *      The Rocq Prover / The Rocq Development Team           *)
(*  v      *         Copyright INRIA, CNRS and contributors             *)
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(*         *     GNU Lesser General Public License Version 2.1          *)
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Local Open Scope Z_scope.
(** Factorization lemmas *)

Theorem Zred_factor4 n m p : n * m + n * p = n * (m + p).