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-rw-r--r--tactics/eqschemes.ml4
1 files changed, 3 insertions, 1 deletions
diff --git a/tactics/eqschemes.ml b/tactics/eqschemes.ml
index d023b4568..bcd31cb7e 100644
--- a/tactics/eqschemes.ml
+++ b/tactics/eqschemes.ml
@@ -103,7 +103,7 @@ let get_coq_eq ctx =
(Universes.fresh_inductive_instance (Global.env ()) eq) in
mkIndU eq, mkConstructUi (eq,1), ctx
with Not_found ->
- error "eq not found."
+ user_err Pp.(str "eq not found.")
let univ_of_eq env eq =
let eq = EConstr.of_constr eq in
@@ -120,6 +120,8 @@ let univ_of_eq env eq =
(* in which case, a symmetry lemma is definable *)
(**********************************************************************)
+let error msg = user_err Pp.(str msg)
+
let get_sym_eq_data env (ind,u) =
let (mib,mip as specif) = lookup_mind_specif env ind in
if not (Int.equal (Array.length mib.mind_packets) 1) ||