X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fformal_topology%2Foverlap%2Fformal_topologies.ma;h=24dfb772186f8bc733b421cd98f03fb66ce67492;hb=7c4bb1d1baed259e4301d4cf0ecca7a0e3885d92;hp=5b29ace1a74d7d55c9f63cce3e2b96a87f1f7467;hpb=3cf6181bded05eb63140d1b2ba4f2f5791a73b48;p=helm.git

diff --git a/helm/software/matita/contribs/formal_topology/overlap/formal_topologies.ma b/helm/software/matita/contribs/formal_topology/overlap/formal_topologies.ma
index 5b29ace1a..24dfb7721 100644
--- a/helm/software/matita/contribs/formal_topology/overlap/formal_topologies.ma
+++ b/helm/software/matita/contribs/formal_topology/overlap/formal_topologies.ma
@@ -14,7 +14,7 @@
 
 include "basic_topologies.ma".
 
-
+(*
 definition downarrow: ∀S:BTop. unary_morphism (Ω \sup S) (Ω \sup S).
  intros; constructor 1;
   [ apply (λU:Ω \sup S.{a | ∃b:carrbt S. b ∈ U ∧ a ∈ A ? (singleton ? b)});
@@ -94,3 +94,4 @@ definition formal_map_composition:
     apply prop1; assumption]
 qed.
 
+*)
\ No newline at end of file