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-rw-r--r--contrib/firstorder/unify.ml6
1 files changed, 3 insertions, 3 deletions
diff --git a/contrib/firstorder/unify.ml b/contrib/firstorder/unify.ml
index 1dd13cbe..27c06f54 100644
--- a/contrib/firstorder/unify.ml
+++ b/contrib/firstorder/unify.ml
@@ -6,7 +6,7 @@
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
-(*i $Id: unify.ml 7639 2005-12-02 10:01:15Z gregoire $ i*)
+(*i $Id: unify.ml 11897 2009-02-09 19:28:02Z barras $ i*)
open Util
open Formula
@@ -42,8 +42,8 @@ let unif t1 t2=
Queue.add (t1,t2) bige;
try while true do
let t1,t2=Queue.take bige in
- let nt1=head_reduce (whd_betaiotazeta t1)
- and nt2=head_reduce (whd_betaiotazeta t2) in
+ let nt1=head_reduce (whd_betaiotazeta Evd.empty t1)
+ and nt2=head_reduce (whd_betaiotazeta Evd.empty t2) in
match (kind_of_term nt1),(kind_of_term nt2) with
Meta i,Meta j->
if i<>j then