X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicReduction.mli;h=c80da989d73c3bc53e29477de4df5e9b48e2e66d;hb=1ee5193677b8e2a80d4f068ee79ecac335de1196;hp=ebbba2543fc7598c54f4016f07640a54d2861f52;hpb=a3b43762ca9cfb746933dcd991bfc363b5fdd9b7;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicReduction.mli b/helm/software/components/ng_kernel/nCicReduction.mli
index ebbba2543..c80da989d 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 : 
+  (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 -> NCic.term list -> bool list) ->
   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
+