(** Below is an attempt to restate Pocklington's theorem using only numbers from Z. This will make concrete computations faster. *)
(** ZallLinCombMod is equivalent to AllLinCombMod but uses Z. *)
Definition ZallLinCombMod (a n m N : Z) (qlist : Zlist) :=
alllist Z
(fun q : Z => ZLinCombMod 1 (ZExp a (m * zmultDrop q qlist) - 1) n N)
qlist.

Lemma alllincombzalllincomb :
forall (a n m : Z) (qlist : Zlist),
(0 <= n)%Z ->
(0 <= m)%Z ->
allPos qlist ->
ZallLinCombMod a n m n qlist ->
allLinCombMod a (Zabs_nat n) (Zabs_nat m) (map _ _ Zabs_nat qlist).