Library Coqtail.mytheories.myReals.MyINR
Require
Import
Reals
.
Local
Open
Scope
R_scope
.
Lemma
INR_1
:
INR
1
=
1.
Proof
.
simpl
;
reflexivity
.
Qed
.
Lemma
Rabs_INR
:
∀
n
,
Rabs
(
INR
n
)
=
INR
n
.
Proof
.
intros
;
apply
Rabs_pos_eq
;
apply
pos_INR
.
Qed
.