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-rw-r--r--plugins/firstorder/instances.ml2
-rw-r--r--plugins/firstorder/rules.ml3
-rw-r--r--plugins/firstorder/sequent.ml2
3 files changed, 4 insertions, 3 deletions
diff --git a/plugins/firstorder/instances.ml b/plugins/firstorder/instances.ml
index 5a1e7c26a1..4c6355f61c 100644
--- a/plugins/firstorder/instances.ml
+++ b/plugins/firstorder/instances.ml
@@ -161,7 +161,7 @@ let left_instance_tac (inst,id) continue seq=
let evmap, _ =
try Typing.type_of (pf_env gl) evmap gt
with e when CErrors.noncritical e ->
- error "Untypable instance, maybe higher-order non-prenex quantification" in
+ user_err Pp.(str "Untypable instance, maybe higher-order non-prenex quantification") in
Sigma.Unsafe.of_pair (generalize [gt], evmap)
end })
else
diff --git a/plugins/firstorder/rules.ml b/plugins/firstorder/rules.ml
index 86a6770070..8c6b5b91de 100644
--- a/plugins/firstorder/rules.ml
+++ b/plugins/firstorder/rules.ml
@@ -231,7 +231,8 @@ let ll_forall_tac prod backtrack id continue seq=
(* special for compatibility with old Intuition *)
-let constant str = Coqlib.gen_constant "User" ["Init";"Logic"] str
+let constant str = Universes.constr_of_global
+ @@ Coqlib.coq_reference "User" ["Init";"Logic"] str
let defined_connectives=lazy
[AllOccurrences,EvalConstRef (fst (Term.destConst (constant "not")));
diff --git a/plugins/firstorder/sequent.ml b/plugins/firstorder/sequent.ml
index 2d18b66054..826afc35b6 100644
--- a/plugins/firstorder/sequent.ml
+++ b/plugins/firstorder/sequent.ml
@@ -227,7 +227,7 @@ let extend_with_auto_hints env sigma l seq =
try
searchtable_map dbname
with Not_found->
- error ("Firstorder: "^dbname^" : No such Hint database") in
+ user_err Pp.(str ("Firstorder: "^dbname^" : No such Hint database")) in
Hint_db.iter g hdb in
List.iter h l;
!seqref, sigma (*FIXME: forgetting about universes*)