From b48d40e92e8f8b6d7fbbb518cab6a5bbae5252a3 Mon Sep 17 00:00:00 2001
From: Robbert Krebbers <mail@robbertkrebbers.nl>
Date: Fri, 4 Jun 2021 13:04:20 +0200
Subject: [PATCH] Use `!` instead of `+`.

---
 theories/base.v | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/theories/base.v b/theories/base.v
index 13209d04..df49b47d 100644
--- a/theories/base.v
+++ b/theories/base.v
@@ -465,13 +465,13 @@ Class PartialOrder {A} (R : relation A) : Prop := {
   partial_order_pre :> PreOrder R;
   partial_order_anti_symm :> AntiSymm (=) R
 }.
-Global Hint Mode PartialOrder ! + : typeclass_instances.
+Global Hint Mode PartialOrder ! ! : typeclass_instances.
 
 Class TotalOrder {A} (R : relation A) : Prop := {
   total_order_partial :> PartialOrder R;
   total_order_trichotomy :> Trichotomy (strict R)
 }.
-Global Hint Mode TotalOrder ! + : typeclass_instances.
+Global Hint Mode TotalOrder ! ! : typeclass_instances.
 
 (** * Logic *)
 Global Instance prop_inhabited : Inhabited Prop := populate True.
-- 
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