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-rw-r--r--proofs/clenvtac.ml1
1 files changed, 1 insertions, 0 deletions
diff --git a/proofs/clenvtac.ml b/proofs/clenvtac.ml
index 07c3aca83..e653345da 100644
--- a/proofs/clenvtac.ml
+++ b/proofs/clenvtac.ml
@@ -22,6 +22,7 @@ open Proof_type
open Refiner
open Proof_trees
open Logic
+open Reduction
open Reductionops
open Tacmach
open Evar_refiner