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-rw-r--r--theories/Numbers/Natural/BigN/BigN.v2
1 files changed, 0 insertions, 2 deletions
diff --git a/theories/Numbers/Natural/BigN/BigN.v b/theories/Numbers/Natural/BigN/BigN.v
index 653170e348..40f08356bc 100644
--- a/theories/Numbers/Natural/BigN/BigN.v
+++ b/theories/Numbers/Natural/BigN/BigN.v
@@ -78,8 +78,6 @@ exact mul_assoc.
exact mul_add_distr_r.
Qed.
-Typeclasses unfold NZadd NZsub NZmul.
-
Add Ring BigNr : BigNring.
(** Todo: tactic translating from [BigN] to [Z] + omega *)