From: Andrea Asperti <andrea.asperti@unibo.it>
Date: Tue, 23 May 2006 12:07:36 +0000 (+0000)
Subject: added important comment
X-Git-Tag: make_still_working~7336
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=af4311b5fe3b3836f9464c8d8f6ca737307a6a2f;p=helm.git

added important comment
---

diff --git a/helm/software/components/tactics/paramodulation/equality.ml b/helm/software/components/tactics/paramodulation/equality.ml
index 57c440860..5f847bcb5 100644
--- a/helm/software/components/tactics/paramodulation/equality.ml
+++ b/helm/software/components/tactics/paramodulation/equality.ml
@@ -502,6 +502,9 @@ let pp_proof names goalproof proof =
 let get_duplicate_step_in_wfo l p =
   let ol = List.rev l in
   let h = Hashtbl.create 13 in
+  (* NOTE: here the n parameter is an approximation of the dependency 
+     between equations. To do things seriously we should maintain a 
+     dependency graph. This approximation is not perfect. *)
   let add i n = 
     let p,_,_ = proof_of_id i in 
     match p with