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-rw-r--r--contrib/ring/Setoid_ring_normalize.v4
1 files changed, 4 insertions, 0 deletions
diff --git a/contrib/ring/Setoid_ring_normalize.v b/contrib/ring/Setoid_ring_normalize.v
index e49be32727..8b889b23f2 100644
--- a/contrib/ring/Setoid_ring_normalize.v
+++ b/contrib/ring/Setoid_ring_normalize.v
@@ -456,6 +456,10 @@ Proof.
NewDestruct l;Trivial.
Save.
+Hint ivl_aux_ok_ := Resolve ivl_aux_ok.
+Hint ics_aux_ok_ := Resolve ics_aux_ok.
+Hint interp_m_ok_ := Resolve interp_m_ok.
+
(* Hints Resolve ivl_aux_ok ics_aux_ok interp_m_ok. *)
Lemma canonical_sum_merge_ok : (x,y:canonical_sum)