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-rw-r--r--theories/Numbers/Cyclic/ZModulo/ZModulo.v7
1 files changed, 4 insertions, 3 deletions
diff --git a/theories/Numbers/Cyclic/ZModulo/ZModulo.v b/theories/Numbers/Cyclic/ZModulo/ZModulo.v
index 04fc5a8df..a3d7edbf4 100644
--- a/theories/Numbers/Cyclic/ZModulo/ZModulo.v
+++ b/theories/Numbers/Cyclic/ZModulo/ZModulo.v
@@ -18,7 +18,7 @@ Set Implicit Arguments.
Require Import Bool.
Require Import ZArith.
Require Import Znumtheory.
-Require Import BigNumPrelude.
+Require Import Zpow_facts.
Require Import DoubleType.
Require Import CyclicAxioms.
@@ -48,13 +48,14 @@ Section ZModulo.
Lemma spec_more_than_1_digit: 1 < Zpos digits.
Proof.
- generalize digits_ne_1; destruct digits; auto.
+ generalize digits_ne_1; destruct digits; red; auto.
destruct 1; auto.
Qed.
Let digits_gt_1 := spec_more_than_1_digit.
Lemma wB_pos : wB > 0.
Proof.
+ apply Z.lt_gt.
unfold wB, base; auto with zarith.
Qed.
Hint Resolve wB_pos.
@@ -558,7 +559,7 @@ Section ZModulo.
apply Zmod_small.
generalize (Z_mod_lt [|w|] (2 ^ [|p|])); intros.
split.
- destruct H; auto with zarith.
+ destruct H; auto using Z.lt_gt with zarith.
apply Z.le_lt_trans with [|w|]; auto with zarith.
apply Zmod_le; auto with zarith.
Qed.