Added a new version of meta_convertibnility that returns the

[helm.git] / helm / software / components / tactics / paramodulation / equality.mli

diff --git a/helm/software/components/tactics/paramodulation/equality.mli b/helm/software/components/tactics/paramodulation/equality.mli
index bd3d4c2acda6de7212d31697b3ebc18da189a5e3..6eb48a036e7f8f0e539f5fb746a2a54879c0af32 100644 (file)
--- a/helm/software/components/tactics/paramodulation/equality.mli
+++ b/helm/software/components/tactics/paramodulation/equality.mli
@@ -25,6 +25,8 @@
 
 type rule = SuperpositionRight | SuperpositionLeft | Demodulation
 
+(* every equality group has its own bag. the bag contains the infos necessary
+ * for building the proof. FIXME: should also contain maxmeta! *)
 type equality_bag
 
 val mk_equality_bag: unit -> equality_bag
@@ -44,6 +46,10 @@ val pp_proof:
   (Cic.name option) list -> goal_proof -> proof -> Subst.substitution -> int ->
     Cic.term -> string
 
+val draw_proof:
+  equality_bag ->
+  (Cic.name option) list -> goal_proof -> proof -> int -> unit
+
 val pp_proofterm: Cic.term -> string
     
 val mk_equality :
@@ -110,6 +116,8 @@ val meta_convertibility: Cic.term -> Cic.term -> bool
 
 (** meta convertibility between two equations *)
 val meta_convertibility_eq: equality -> equality -> bool
+val meta_convertibility_subst: 
+  Cic.term -> Cic.term -> Cic.metasenv -> Cic.substitution option
 
 val is_weak_identity: equality -> bool
 val is_identity: Utils.environment -> equality -> bool