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(* 02110-1301 USA                                                     *)
(** modprime. Some nice lemmas about div, mult, mod, prime, and gcd.  @author Olga Caprotti and Martijn Oostdijk @version $Revision$ *)

Lemma primedivmult :
forall p n m : nat,
Prime p -> Divides p (n * m) -> Divides p n \/ Divides p m.