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-rw-r--r--kernel/univ.mli5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/univ.mli b/kernel/univ.mli
index b262ad718..2104fa721 100644
--- a/kernel/univ.mli
+++ b/kernel/univ.mli
@@ -17,6 +17,8 @@ val prop_univ_univ_univ : universe
val new_univ : section_path -> universe
+(*s Graphs of universes. *)
+
type universes
val initial_universes : universes
@@ -34,3 +36,6 @@ val enforce_gt : constraint_function
val enforce_geq : constraint_function
val enforce_eq : constraint_function
+(* pretty-printing. *)
+
+val pr_universes : universes -> Pp.std_ppcmds