X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicReduction.mli;h=ba32fe15dd18f2cb38c6af0dc055fae94d72bbe5;hb=0ef9250d71eacd6b1022194128e6acfb74d52aac;hp=c80da989d73c3bc53e29477de4df5e9b48e2e66d;hpb=a981b42002f822aa49a41b3889a76b9438b093bb;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicReduction.mli b/helm/software/components/ng_kernel/nCicReduction.mli
index c80da989d..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
@@ -41,3 +44,11 @@ val reduce_machine :
 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