Library Coq.Numbers.Integer.Abstract.ZBase
Require
Export
Decidable
.
Require
Export
ZAxioms
.
Require
Import
NZProperties
.
Module
ZBaseProp
(
Import
Z
:
ZAxiomsMiniSig´
).
Include
NZProp
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
.