Library Stdlib.Numbers.Integer.Abstract.ZBase
Require Export Decidable.
Require Export ZAxioms.
Require Import NZMulOrder.
Module ZBaseProp (Import Z : ZAxiomsMiniSig').
Include NZMulOrderProp Z.
Theorem pred_inj : forall n m, P n == P m -> n == m.
Theorem pred_inj_wd : forall n1 n2, P n1 == P n2 <-> n1 == n2.
Lemma succ_m1 : S (-1) == 0.
End ZBaseProp.