Module NZGcdProp
(Import A : NZOrdAxiomsSig')
(Import B : NZGcd' A)
(Import C : NZMulOrderProp A).
(** Results concerning divisibility*)
Instance divide_wd : Proper (eq==>eq==>iff) divide.

Lemma divide_0_l : forall n, (0 | n) -> n==0.