X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fmetadata%2FmetadataConstraints.ml;h=1b28e44d0b03632ffaec79d66b37f4948d679e58;hb=2e20f3cf00bfbb93b8ca9419aa36d22ddec49815;hp=5dcfae44df4a831545956859f61ae1ad3f88e633;hpb=c0c0516338b5becba5df28f62c323c9489f9f2c7;p=helm.git

diff --git a/helm/ocaml/metadata/metadataConstraints.ml b/helm/ocaml/metadata/metadataConstraints.ml
index 5dcfae44d..1b28e44d0 100644
--- a/helm/ocaml/metadata/metadataConstraints.ml
+++ b/helm/ocaml/metadata/metadataConstraints.ml
@@ -116,7 +116,7 @@ let at_least ~(dbd:Mysql.dbd) ?concl_card ?full_card
         ((n+1), from, where)
     | `Sort (sort, positions) ->
         let tbl = MetadataTypes.sort_tbl in
-        let sort_str = MetadataPp.pp_sort sort in
+        let sort_str = CicPp.ppsort sort in
         let from = (sprintf "%s as %s" tbl cur_tbl) :: from in
         let where =
           (sprintf "%s.h_sort = \"%s\"" cur_tbl sort_str) ::
@@ -407,7 +407,7 @@ let myspeciallist_of_facts  =
   [0,"cic:/Coq/Init/Logic/eq.ind#xpointer(1/1/1)"]
 let myspeciallist =
   [0,"cic:/Coq/Init/Logic/eq.ind#xpointer(1/1/1)";
-   0,"cic:/Coq/Init/Logic/sym_eq.con"; 
+(*   0,"cic:/Coq/Init/Logic/sym_eq.con"; *)
    0,"cic:/Coq/Init/Logic/trans_eq.con";
    0,"cic:/Coq/Init/Logic/f_equal.con";
    0,"cic:/Coq/Init/Logic/f_equal2.con";
@@ -547,7 +547,9 @@ let sigmatch ~(dbd:Mysql.dbd)
         let subsets = 
           let subsets = power constants in
           let types_no = List.length types in
+	  if types_no > 0 then  
           (0,[]) :: List.map (function (n,l) -> (n+types_no,types@l)) subsets
+	  else subsets
         in
         compute_exactly ~dbd ~facts ~where main subsets