X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicReduction.mli;h=691d6605d3875f6e023607f3f0e62390308ef136;hb=e02c6eaf8d50025c3be8bbf6988ab8b2a37b40da;hp=696723bf6ad158b4bab916b2c5c9c72a4e7505c5;hpb=05adc7f9da7d66a14fd4417911e9f22b9bf9583f;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicReduction.mli b/helm/software/components/ng_kernel/nCicReduction.mli
index 696723bf6..691d6605d 100644
--- a/helm/software/components/ng_kernel/nCicReduction.mli
+++ b/helm/software/components/ng_kernel/nCicReduction.mli
@@ -12,7 +12,7 @@
 (* $Id$ *)
 
 val whd : 
-  ?delta:int -> ?subst:NCic.substitution -> 
+  ?delta:int -> subst:NCic.substitution -> 
   NCic.context -> NCic.term -> 
     NCic.term
 
@@ -28,7 +28,8 @@ val are_convertible :
 (* 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