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-rw-r--r--contrib/ring/ring.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/ring/ring.ml b/contrib/ring/ring.ml
index 384784fdc..d3068c862 100644
--- a/contrib/ring/ring.ml
+++ b/contrib/ring/ring.ml
@@ -885,7 +885,7 @@ let match_with_equiv c = match (kind_of_term c) with
| _ -> None
let polynom lc gl =
- Library.check_required_library ["Coq";"ring";"Ring"];
+ Coqlib.check_required_library ["Coq";"ring";"Ring"];
match lc with
(* If no argument is given, try to recognize either an equality or
a declared relation with arguments c1 ... cn,