X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Flib%2Fformal_topology%2Fo-concrete_spaces.ma;h=2e8b8ad8b34671bde2fbfa90e1904304d794c6ad;hb=aad5588b82d0f2991c336f7ac2f3fadd76768eeb;hp=f39b25109c5655d5097278593464637143a11fa8;hpb=716338697e54d7a7e3602aabdecc2a8a639d683e;p=helm.git

diff --git a/matita/matita/lib/formal_topology/o-concrete_spaces.ma b/matita/matita/lib/formal_topology/o-concrete_spaces.ma
index f39b25109..2e8b8ad8b 100644
--- a/matita/matita/lib/formal_topology/o-concrete_spaces.ma
+++ b/matita/matita/lib/formal_topology/o-concrete_spaces.ma
@@ -12,6 +12,8 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "basics/core_notation/fintersects_2.ma".
+include "basics/core_notation/downarrow_1.ma".
 include "formal_topology/o-basic_pairs.ma".
 include "formal_topology/o-saturations.ma".
 (*