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-rw-r--r--tactics/inv.ml4
1 files changed, 2 insertions, 2 deletions
diff --git a/tactics/inv.ml b/tactics/inv.ml
index 9282af759..9324d8e37 100644
--- a/tactics/inv.ml
+++ b/tactics/inv.ml
@@ -90,8 +90,8 @@ let make_inv_predicate env evd indf realargs id status concl =
let sort = Evarutil.evd_comb1 (Evd.fresh_sort_in_family env) evd sort in
let p = make_arity env true indf sort in
let evd',(p,ptyp) = Unification.abstract_list_all env
- !evd p concl (realargs@[mkVar id])
- in evd := evd'; p in
+ !evd (EConstr.of_constr p) (EConstr.of_constr concl) (List.map EConstr.of_constr realargs@[EConstr.mkVar id])
+ in evd := evd'; EConstr.Unsafe.to_constr p in
let hyps,bodypred = decompose_lam_n_assum (nrealargs+1) pred in
(* We lift to make room for the equations *)
(hyps,lift nrealargs bodypred)