X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Focaml%2Fmathql%2FmathQL.ml;h=60b19297aa2e8581e0171e10f013cc5aa9b6a2d7;hb=fb4f3bb1bafb5d5541a777758b4074ee8e2de4ae;hp=b424d110b56bc8247b6fa8b750487668bf603842;hpb=e281113f887c39b4aa86a794f73b074ef5655319;p=helm.git

diff --git a/helm/ocaml/mathql/mathQL.ml b/helm/ocaml/mathql/mathQL.ml
index b424d110b..60b19297a 100644
--- a/helm/ocaml/mathql/mathQL.ml
+++ b/helm/ocaml/mathql/mathQL.ml
@@ -47,13 +47,15 @@ type refine_op = ExactOp
                | SubOp
 	       | SuperOp
 
+type path = string list
+
 type vvar_list = vvar list
 
 type set_exp = SVar of svar
 	     | RVar of rvar
              | Ref of val_exp
              | Pattern of val_exp
-	     | Relation of refine_op * string * set_exp * vvar_list
+	     | Relation of refine_op * path * set_exp * vvar_list
              | Select of rvar * set_exp * boole_exp
 	     | Union of set_exp * set_exp
 	     | Intersect of set_exp * set_exp
@@ -76,7 +78,7 @@ and val_exp = Const of string list
 	    | Record of rvar * vvar
 	    | VVar of vvar
 	    | Fun of string * val_exp
-	    | Attribute of refine_op * string * val_exp
+	    | Attribute of refine_op * path * val_exp
 
 type query = set_exp