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-rw-r--r--theories/Numbers/Natural/Binary/NBinary.v2
-rw-r--r--theories/Numbers/Natural/Peano/NPeano.v2
2 files changed, 2 insertions, 2 deletions
diff --git a/theories/Numbers/Natural/Binary/NBinary.v b/theories/Numbers/Natural/Binary/NBinary.v
index 93922aa437..7211112f26 100644
--- a/theories/Numbers/Natural/Binary/NBinary.v
+++ b/theories/Numbers/Natural/Binary/NBinary.v
@@ -31,7 +31,7 @@ Qed.
(** Basic operations. *)
-Instance eq_equiv : Equivalence (@eq N).
+Definition eq_equiv : Equivalence (@eq N) := eq_equivalence.
Local Obligation Tactic := simpl_relation.
Program Instance succ_wd : Proper (eq==>eq) Nsucc.
Program Instance pred_wd : Proper (eq==>eq) Npred.
diff --git a/theories/Numbers/Natural/Peano/NPeano.v b/theories/Numbers/Natural/Peano/NPeano.v
index 962bc8de0b..d42bb810d2 100644
--- a/theories/Numbers/Natural/Peano/NPeano.v
+++ b/theories/Numbers/Natural/Peano/NPeano.v
@@ -27,7 +27,7 @@ Qed.
(** Basic operations. *)
-Instance eq_equiv : Equivalence (@eq nat).
+Definition eq_equiv : Equivalence (@eq nat) := eq_equivalence.
Local Obligation Tactic := simpl_relation.
Program Instance succ_wd : Proper (eq==>eq) S.
Program Instance pred_wd : Proper (eq==>eq) pred.