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(*         *      The Rocq Prover / The Rocq Development Team           *)
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(** * DecimalZ  Proofs that conversions between decimal numbers and [Z] are bijections. *)

Lemma of_int_iter_D0 d n :
Z.of_int (app_int d (Nat.iter n D0 Nil)) = Nat.iter n (Z.mul 10) (Z.of_int d).