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-rw-r--r--engine/uState.mli5
1 files changed, 5 insertions, 0 deletions
diff --git a/engine/uState.mli b/engine/uState.mli
index b31e94b28..1c906fcb2 100644
--- a/engine/uState.mli
+++ b/engine/uState.mli
@@ -104,6 +104,11 @@ val add_global_univ : t -> Univ.Level.t -> t
universe. Otherwise the variable is just made flexible. *)
val make_flexible_variable : t -> algebraic:bool -> Univ.Level.t -> t
+(** Turn all undefined flexible algebraic variables into simply flexible
+ ones. Can be used in case the variables might appear in universe instances
+ (typically for polymorphic program obligations). *)
+val make_flexible_nonalgebraic : t -> t
+
val is_sort_variable : t -> Sorts.t -> Univ.Level.t option
val normalize_variables : t -> Univ.universe_subst * t