X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fcic_proof_checking%2FcicSubstitution.mli;h=2032869911d35fa6154298b7c1bb10d1fa77dff0;hb=f0196d4e96bf8cc579d1690fc6a653adc08ca02e;hp=8915b814ad5b3af609c1013232edd1dd01a69301;hpb=0328c0e2938ce714d5d7358afdca00195577198e;p=helm.git

diff --git a/helm/ocaml/cic_proof_checking/cicSubstitution.mli b/helm/ocaml/cic_proof_checking/cicSubstitution.mli
index 8915b814a..203286991 100644
--- a/helm/ocaml/cic_proof_checking/cicSubstitution.mli
+++ b/helm/ocaml/cic_proof_checking/cicSubstitution.mli
@@ -23,7 +23,26 @@
  * http://cs.unibo.it/helm/.
  *)
 
+exception CannotSubstInMeta;;
+exception RelToHiddenHypothesis;;
+exception ReferenceToVariable;;
+exception ReferenceToConstant;;
+exception ReferenceToInductiveDefinition;;
+
+(* lift n t         *)
+(* lifts [t] of [n] *)
 val lift : int -> Cic.term -> Cic.term
+
+(* subst t1 t2                          *)
+(* substitutes [t1] for [Rel 1] in [t2] *)
 val subst : Cic.term -> Cic.term -> Cic.term
+
+(* subst_vars exp_named_subst t2     *)
+(* applies [exp_named_subst] to [t2] *)
+val subst_vars :
+ Cic.term Cic.explicit_named_substitution -> Cic.term -> Cic.term
+
+(* lift_meta [t_1 ; ... ; t_n] t                                *)
+(* returns the term [t] where [Rel i] is substituted with [t_i] *)
+(* [t_i] is lifted as usual when it crosses an abstraction      *)
 val lift_meta : (Cic.term option) list -> Cic.term -> Cic.term
-val undebrujin_inductive_def : UriManager.uri -> Cic.obj -> Cic.obj