From: Andrea Asperti <andrea.asperti@unibo.it>
Date: Tue, 23 May 2006 12:07:36 +0000 (+0000)
Subject: added important comment
X-Git-Tag: 0.4.95@7852~1439
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=33f9ff7f9693a77f194112291bd149e7c0d80e71;p=helm.git

added important comment
---

diff --git a/components/tactics/paramodulation/equality.ml b/components/tactics/paramodulation/equality.ml
index 57c440860..5f847bcb5 100644
--- a/components/tactics/paramodulation/equality.ml
+++ b/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