X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicReduction.mli;h=ba32fe15dd18f2cb38c6af0dc055fae94d72bbe5;hb=2ee517d852ad53540881221ecb01b9ec1881cc6a;hp=4828fbc2b5e8b56d804be26c6d0f90f4325c15c5;hpb=1ef41da37d7b39da1521f53d3b22981556bfbe68;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicReduction.mli b/helm/software/components/ng_kernel/nCicReduction.mli
index 4828fbc2b..ba32fe15d 100644
--- a/helm/software/components/ng_kernel/nCicReduction.mli
+++ b/helm/software/components/ng_kernel/nCicReduction.mli
@@ -11,24 +11,27 @@
 
 (* $Id$ *)
 
+exception AssertFailure of string Lazy.t;;
+
 val whd : 
-  ?delta:int -> ?subst:NCic.substitution -> 
+  ?delta:int -> subst:NCic.substitution -> 
   NCic.context -> NCic.term -> 
     NCic.term
 
 val set_get_relevance : 
-  (subst:NCic.substitution ->
+  (metasenv:NCic.metasenv -> subst:NCic.substitution ->
    NCic.context -> NCic.term -> NCic.term list -> bool list) -> unit
 
 val are_convertible :
-  ?subst:NCic.substitution ->
+  metasenv:NCic.metasenv -> subst:NCic.substitution ->
   NCic.context -> NCic.term -> NCic.term -> bool
 
 
 (* performs head beta/(delta)/cast reduction; the default is to not perform
    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
+val head_beta_reduce: 
+  ?delta:int -> ?upto:int -> ?subst:NCic.substitution -> NCic.term -> NCic.term
 
 type stack_item
 type environment_item
@@ -36,7 +39,16 @@ 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
+     delta:int -> ?subst:NCic.substitution -> NCic.context -> machine -> 
+      machine * bool
 val from_stack : stack_item -> machine
 val unwind : machine -> NCic.term
 
+val split_prods:
+ subst:NCic.substitution -> NCic.context -> int -> NCic.term ->
+  NCic.context * NCic.term
+
+(* to be used outside the kernel *)
+val alpha_eq:
+ NCic.metasenv -> NCic.substitution ->
+  NCic.context -> NCic.term -> NCic.term -> bool