X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Flib%2Fformal_topology%2Fcategories.ma;h=94a8d22ebb6f69dd64c249677e30c74ee7fdb9d3;hb=9605ffc88831066a901ea4eb8e419f277662f372;hp=5643e2f6b623b5605aa28cd2b5303038d3e8d89e;hpb=716338697e54d7a7e3602aabdecc2a8a639d683e;p=helm.git

diff --git a/matita/matita/lib/formal_topology/categories.ma b/matita/matita/lib/formal_topology/categories.ma
index 5643e2f6b..94a8d22eb 100644
--- a/matita/matita/lib/formal_topology/categories.ma
+++ b/matita/matita/lib/formal_topology/categories.ma
@@ -13,6 +13,8 @@
 (**************************************************************************)
 
 include "formal_topology/cprop_connectives.ma".
+include "basics/core_notation/compose_2.ma".
+include "basics/core_notation/invert_1.ma".
 
 inductive eq (A:Type[0]) (x:A) : A → CProp[0] ≝
     refl: eq A x x.
@@ -525,4 +527,4 @@ notation > "r⎻*" non associative with precedence 90 for @{'OR_f_minus_star $r}
 
 notation "r \sup ⎻" non associative with precedence 90 for @{'OR_f_minus $r}.
 notation > "r⎻" non associative with precedence 90 for @{'OR_f_minus $r}.
-*)
\ No newline at end of file
+*)