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-rw-r--r--theories/ZArith/Wf_Z.v1
-rw-r--r--theories/ZArith/ZArith_dec.v2
-rw-r--r--theories/ZArith/Zcomplements.v1
-rw-r--r--theories/ZArith/Zdiv.v1
-rw-r--r--theories/ZArith/Zlogarithm.v1
-rw-r--r--theories/ZArith/Zmisc.v1
-rw-r--r--theories/ZArith/Zpower.v1
-rw-r--r--theories/ZArith/Zsqrt.v1
-rw-r--r--theories/ZArith/Zwf.v1
9 files changed, 9 insertions, 1 deletions
diff --git a/theories/ZArith/Wf_Z.v b/theories/ZArith/Wf_Z.v
index d02c46e082..035e16f220 100644
--- a/theories/ZArith/Wf_Z.v
+++ b/theories/ZArith/Wf_Z.v
@@ -13,6 +13,7 @@ Require zarith_aux.
Require auxiliary.
Require Zsyntax.
V7only [Import Z_scope.].
+Open Local Scope Z_scope.
(** Our purpose is to write an induction shema for {0,1,2,...}
similar to the [nat] schema (Theorem [Natlike_rec]). For that the
diff --git a/theories/ZArith/ZArith_dec.v b/theories/ZArith/ZArith_dec.v
index 98c1dc32f9..88e7c325d7 100644
--- a/theories/ZArith/ZArith_dec.v
+++ b/theories/ZArith/ZArith_dec.v
@@ -15,7 +15,7 @@ Require zarith_aux.
Require auxiliary.
Require Zsyntax.
V7only [Import Z_scope.].
-
+Open Local Scope Z_scope.
Lemma Dcompare_inf : (r:relation) {r=EGAL} + {r=INFERIEUR} + {r=SUPERIEUR}.
Proof.
diff --git a/theories/ZArith/Zcomplements.v b/theories/ZArith/Zcomplements.v
index 34971439b3..954347d89d 100644
--- a/theories/ZArith/Zcomplements.v
+++ b/theories/ZArith/Zcomplements.v
@@ -13,6 +13,7 @@ Require ZArithRing.
Require Omega.
Require Wf_nat.
V7only [Import Z_scope.].
+Open Local Scope Z_scope.
(** Multiplication by a number >0 preserves [Zcompare]. It also perserves
[Zle], [Zlt], [Zge], [Zgt] *)
diff --git a/theories/ZArith/Zdiv.v b/theories/ZArith/Zdiv.v
index ce1bd0335b..e888d87d03 100644
--- a/theories/ZArith/Zdiv.v
+++ b/theories/ZArith/Zdiv.v
@@ -24,6 +24,7 @@ Require Omega.
Require ZArithRing.
Require Zcomplements.
V7only [Import Z_scope.].
+Open Local Scope Z_scope.
(**
diff --git a/theories/ZArith/Zlogarithm.v b/theories/ZArith/Zlogarithm.v
index aa97d4bf87..0fe380e718 100644
--- a/theories/ZArith/Zlogarithm.v
+++ b/theories/ZArith/Zlogarithm.v
@@ -24,6 +24,7 @@ Require Omega.
Require Zcomplements.
Require Zpower.
V7only [Import Z_scope.].
+Open Local Scope Z_scope.
Section Log_pos. (* Log of positive integers *)
diff --git a/theories/ZArith/Zmisc.v b/theories/ZArith/Zmisc.v
index 3e2d8a4aae..8a7a1caa44 100644
--- a/theories/ZArith/Zmisc.v
+++ b/theories/ZArith/Zmisc.v
@@ -14,6 +14,7 @@ Require auxiliary.
Require Zsyntax.
Require Bool.
V7only [Import Z_scope.].
+Open Local Scope Z_scope.
(** Overview of the sections of this file:
- logic: Logic complements.
diff --git a/theories/ZArith/Zpower.v b/theories/ZArith/Zpower.v
index 4dbfa8fc8a..8f695a166f 100644
--- a/theories/ZArith/Zpower.v
+++ b/theories/ZArith/Zpower.v
@@ -12,6 +12,7 @@ Require ZArith_base.
Require Omega.
Require Zcomplements.
V7only [Import Z_scope.].
+Open Local Scope Z_scope.
Section section1.
diff --git a/theories/ZArith/Zsqrt.v b/theories/ZArith/Zsqrt.v
index 681dcdd122..3c895d6dba 100644
--- a/theories/ZArith/Zsqrt.v
+++ b/theories/ZArith/Zsqrt.v
@@ -12,6 +12,7 @@ Require Export ZArith_base.
Require Export ZArithRing.
Require Export Omega.
V7only [Import Z_scope.].
+Open Local Scope Z_scope.
(** The following tactic replaces all instances of (POS (xI ...)) by
`2*(POS ...)+1` , but only when ... is not made only with xO, XI, or xH. *)
diff --git a/theories/ZArith/Zwf.v b/theories/ZArith/Zwf.v
index 569be3b313..5468f82cc8 100644
--- a/theories/ZArith/Zwf.v
+++ b/theories/ZArith/Zwf.v
@@ -12,6 +12,7 @@ Require ZArith_base.
Require Export Wf_nat.
Require Omega.
V7only [Import Z_scope.].
+Open Local Scope Z_scope.
(** Well-founded relations on Z. *)