aboutsummaryrefslogtreecommitdiffhomepage
path: root/theories/Numbers/Cyclic/DoubleCyclic/DoubleDivn1.v
diff options
context:
space:
mode:
Diffstat (limited to 'theories/Numbers/Cyclic/DoubleCyclic/DoubleDivn1.v')
-rw-r--r--theories/Numbers/Cyclic/DoubleCyclic/DoubleDivn1.v3
1 files changed, 1 insertions, 2 deletions
diff --git a/theories/Numbers/Cyclic/DoubleCyclic/DoubleDivn1.v b/theories/Numbers/Cyclic/DoubleCyclic/DoubleDivn1.v
index 5cb7405a6..23cbd1e8c 100644
--- a/theories/Numbers/Cyclic/DoubleCyclic/DoubleDivn1.v
+++ b/theories/Numbers/Cyclic/DoubleCyclic/DoubleDivn1.v
@@ -160,7 +160,7 @@ Section GENDIVN1.
Lemma p_lt_double_digits : forall n, [|p|] <= Zpos (w_digits << n).
Proof.
induction n;simpl. trivial.
- case (spec_to_Z p); rewrite Pshiftl_nat_S, Pos2Z.inj_xO;auto with zarith.
+ case (spec_to_Z p); rewrite Pos2Z.inj_xO;auto with zarith.
Qed.
Lemma spec_double_divn1_p : forall n r h l,
@@ -305,7 +305,6 @@ Section GENDIVN1.
Lemma spec_double_digits:forall n, Zpos w_digits <= Zpos (w_digits << n).
Proof.
induction n;simpl;auto with zarith.
- rewrite Pshiftl_nat_S.
change (Zpos (xO (w_digits << n))) with
(2*Zpos (w_digits << n)).
assert (0 < Zpos w_digits) by reflexivity.