X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicEnvironment.mli;h=4604bd2fdf2fe4a49537862fe88fc3f53f2ebf9b;hb=347a92a83c3fa154c850d94b1a211fbb8334d4f1;hp=67b3857d1703f71ea1cb0abe191247fc3c974090;hpb=f4d71b463ae8510e80a40cf4df475d19fab3df2c;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicEnvironment.mli b/helm/software/components/ng_kernel/nCicEnvironment.mli
index 67b3857d1..4604bd2fd 100644
--- a/helm/software/components/ng_kernel/nCicEnvironment.mli
+++ b/helm/software/components/ng_kernel/nCicEnvironment.mli
@@ -13,7 +13,7 @@
 
 exception CircularDependency of string Lazy.t;;
 exception ObjectNotFound of string Lazy.t;;
-exception BadDependency of string Lazy.t;;
+exception BadDependency of string Lazy.t * exn;;
 exception BadConstraint of string Lazy.t;;
 
 val get_checked_obj: NUri.uri -> NCic.obj
@@ -21,6 +21,7 @@ val get_checked_obj: NUri.uri -> NCic.obj
 val get_relevance: NReference.reference -> bool list
 
 val type0: NCic.universe
+val max: NCic.universe -> NCic.universe -> NCic.universe
 (* universe_* raise BadConstraints if the second arg. is an inferred universe *)
 val universe_eq: NCic.universe -> NCic.universe -> bool
 val universe_leq: NCic.universe -> NCic.universe -> bool
@@ -29,6 +30,8 @@ val universe_leq: NCic.universe -> NCic.universe -> bool
    true -> strict check (<); false -> loose check (<=)
 *)
 val add_constraint: bool -> NCic.universe -> NCic.universe -> unit
+val sup : NCic.universe -> NCic.universe option
+val pp_constraints: unit -> string
 
 val get_checked_def:
   NReference.reference ->