X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=inline;f=components%2Fcic_proof_checking%2FcicReduction.mli;h=82be7fd3f5f43eface9449152ca330d64757c84e;hb=864b6ef1956a312e5401a8705bcf7cf0cccf4e9f;hp=bee4607d509d240e0e8453c8e243f51ffa209dcf;hpb=b81fd5db31ec6286c74a2b49871d336836f300c4;p=helm.git

diff --git a/components/cic_proof_checking/cicReduction.mli b/components/cic_proof_checking/cicReduction.mli
index bee4607d5..82be7fd3f 100644
--- a/components/cic_proof_checking/cicReduction.mli
+++ b/components/cic_proof_checking/cicReduction.mli
@@ -38,6 +38,7 @@ val are_convertible :
 val normalize:
   ?delta:bool -> ?subst:Cic.substitution -> Cic.context -> Cic.term -> Cic.term
  
-(* performs an head beta/cast reduction; the default is to not perform
-   delta reduction *)
-val head_beta_reduce: ?delta:bool -> Cic.term -> Cic.term
+(* 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:bool -> ?upto:int -> Cic.term -> Cic.term