X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Flib%2Fformal_topology%2Fo-formal_topologies.ma;h=9ef52e517f5a5a40f9fad474c827476c038581db;hb=74223db3fc45caccb3cfac80971b29cb0613da28;hp=af9da702ae14c526716cd88911d7e6233fc92b5d;hpb=c8718cc46ab9aaca047366dfefe72bc7c9402e5a;p=helm.git

diff --git a/matita/matita/lib/formal_topology/o-formal_topologies.ma b/matita/matita/lib/formal_topology/o-formal_topologies.ma
index af9da702a..9ef52e517 100644
--- a/matita/matita/lib/formal_topology/o-formal_topologies.ma
+++ b/matita/matita/lib/formal_topology/o-formal_topologies.ma
@@ -12,8 +12,10 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "basics/core_notation/fintersects_2.ma".
+include "basics/core_notation/downarrow_1.ma".
 include "formal_topology/o-basic_topologies.ma".
-
+(*
 (*
 (*
 definition downarrow: ∀S:BTop. unary_morphism (Ω \sup S) (Ω \sup S).
@@ -97,3 +99,4 @@ definition formal_map_composition:
     apply prop1; assumption]
 qed.
 *)
+*)