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-rw-r--r--theories/Numbers/NatInt/NZAxioms.v12
-rw-r--r--theories/Numbers/NatInt/NZDiv.v4
2 files changed, 8 insertions, 8 deletions
diff --git a/theories/Numbers/NatInt/NZAxioms.v b/theories/Numbers/NatInt/NZAxioms.v
index ff220e7933..f6328e2498 100644
--- a/theories/Numbers/NatInt/NZAxioms.v
+++ b/theories/Numbers/NatInt/NZAxioms.v
@@ -37,8 +37,8 @@ Notation S := succ.
Notation P := pred.
Notation "1" := (S 0) : NumScope.
-Instance succ_wd : Proper (eq ==> eq) S.
-Instance pred_wd : Proper (eq ==> eq) P.
+Declare Instance succ_wd : Proper (eq ==> eq) S.
+Declare Instance pred_wd : Proper (eq ==> eq) P.
Axiom pred_succ : forall n, P (S n) == n.
@@ -67,9 +67,9 @@ Notation "x + y" := (add x y) : NumScope.
Notation "x - y" := (sub x y) : NumScope.
Notation "x * y" := (mul x y) : NumScope.
-Instance add_wd : Proper (eq ==> eq ==> eq) add.
-Instance sub_wd : Proper (eq ==> eq ==> eq) sub.
-Instance mul_wd : Proper (eq ==> eq ==> eq) mul.
+Declare Instance add_wd : Proper (eq ==> eq ==> eq) add.
+Declare Instance sub_wd : Proper (eq ==> eq ==> eq) sub.
+Declare Instance mul_wd : Proper (eq ==> eq ==> eq) mul.
Axiom add_0_l : forall n, (0 + n) == n.
Axiom add_succ_l : forall n m, (S n) + m == S (n + m).
@@ -107,7 +107,7 @@ Notation "x <= y <= z" := (x<=y /\ y<=z) : NumScope.
Notation "x <= y < z" := (x<=y /\ y<z) : NumScope.
Notation "x < y <= z" := (x<y /\ y<=z) : NumScope.
-Instance lt_wd : Proper (eq ==> eq ==> iff) lt.
+Declare Instance lt_wd : Proper (eq ==> eq ==> iff) lt.
(** Compatibility of [le] can be proved later from [lt_wd]
and [lt_eq_cases] *)
diff --git a/theories/Numbers/NatInt/NZDiv.v b/theories/Numbers/NatInt/NZDiv.v
index 62eee289d3..1be2f85087 100644
--- a/theories/Numbers/NatInt/NZDiv.v
+++ b/theories/Numbers/NatInt/NZDiv.v
@@ -20,8 +20,8 @@ Module Type NZDiv (Import NZ : NZOrdAxiomsSig).
Infix "/" := div : NumScope.
Infix "mod" := modulo (at level 40, no associativity) : NumScope.
- Instance div_wd : Proper (eq==>eq==>eq) div.
- Instance mod_wd : Proper (eq==>eq==>eq) modulo.
+ Declare Instance div_wd : Proper (eq==>eq==>eq) div.
+ Declare Instance mod_wd : Proper (eq==>eq==>eq) modulo.
Axiom div_mod : forall a b, b ~= 0 -> a == b*(a/b) + (a mod b).
Axiom mod_bound : forall a b, 0<=a -> 0<b -> 0 <= a mod b < b.