X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicReduction.mli;h=696723bf6ad158b4bab916b2c5c9c72a4e7505c5;hb=404cfbb5d450f3d738637cfee71aac877a4a8b1d;hp=5943c926053758ea35dd95bbebd933eea6a54b44;hpb=49198a364dc47e83a012813d8687fc02c7251c9e;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicReduction.mli b/helm/software/components/ng_kernel/nCicReduction.mli
index 5943c9260..696723bf6 100644
--- a/helm/software/components/ng_kernel/nCicReduction.mli
+++ b/helm/software/components/ng_kernel/nCicReduction.mli
@@ -16,10 +16,12 @@ val whd :
   NCic.context -> NCic.term -> 
     NCic.term
 
+val set_get_relevance : 
+  (metasenv:NCic.metasenv -> subst:NCic.substitution ->
+   NCic.context -> NCic.term -> NCic.term list -> bool list) -> unit
+
 val are_convertible :
-  ?subst:NCic.substitution ->
-  (subst:NCic.substitution ->
-   NCic.context -> NCic.term -> bool list) ->
+  metasenv:NCic.metasenv -> subst:NCic.substitution ->
   NCic.context -> NCic.term -> NCic.term -> bool
 
 
@@ -27,3 +29,15 @@ val are_convertible :
    delta reduction; if provided, ~upto is the maximum number of beta redexes
    reduced *)
 val head_beta_reduce: ?delta:int -> ?upto:int -> NCic.term -> NCic.term
+
+type stack_item
+type environment_item
+
+type machine = int * environment_item list * NCic.term * stack_item list
+
+val reduce_machine : 
+     delta:int -> ?subst:NCic.substitution -> NCic.context -> machine -> 
+      machine * bool
+val from_stack : stack_item -> machine
+val unwind : machine -> NCic.term
+