From e138fbf1e1cd95bfae05e17074f94a1ebde2edf8 Mon Sep 17 00:00:00 2001
From: Vincent Laporte
Date: Sat, 18 Jan 2020 20:35:42 +0100
Subject: firstorder: default tactic is “auto with core”

---
 theories/Numbers/Cyclic/Abstract/NZCyclic.v | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'theories/Numbers')

diff --git a/theories/Numbers/Cyclic/Abstract/NZCyclic.v b/theories/Numbers/Cyclic/Abstract/NZCyclic.v
index 6af9572fff..7c5b43096a 100644
--- a/theories/Numbers/Cyclic/Abstract/NZCyclic.v
+++ b/theories/Numbers/Cyclic/Abstract/NZCyclic.v
@@ -60,7 +60,7 @@ Ltac zcongruence := repeat red; intros; zify; congruence.
 
 Instance eq_equiv : Equivalence eq.
 Proof.
-  split. 1-2: firstorder.
+  split. 1-2: firstorder auto with crelations.
   intros x y z; apply eq_trans.
 Qed.
 
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