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-rw-r--r--kernel/univ.mli3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/univ.mli b/kernel/univ.mli
index ad33d597e..4cc8a2528 100644
--- a/kernel/univ.mli
+++ b/kernel/univ.mli
@@ -91,6 +91,9 @@ sig
val is_level : t -> bool
(** Test if the universe is a level or an algebraic universe. *)
+ val is_levels : t -> bool
+ (** Test if the universe is a lub of levels or contains +n's. *)
+
val level : t -> Level.t option
(** Try to get a level out of a universe, returns [None] if it
is an algebraic universe. *)