X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fformal_topology%2Foverlap%2Fsaturations_to_o-saturations.ma;h=88a18fda7a38ecd5f8750f8b7d6e3bb1fe0a42b7;hb=d4cd2564126b15d4f0aa736353d25dfc34d2cad8;hp=97bfcd6c9d19aac7ea9c591209479db41d5fbc13;hpb=887916a4791bba656b1dec730d3315239d3c1f21;p=helm.git

diff --git a/helm/software/matita/contribs/formal_topology/overlap/saturations_to_o-saturations.ma b/helm/software/matita/contribs/formal_topology/overlap/saturations_to_o-saturations.ma
index 97bfcd6c9..88a18fda7 100644
--- a/helm/software/matita/contribs/formal_topology/overlap/saturations_to_o-saturations.ma
+++ b/helm/software/matita/contribs/formal_topology/overlap/saturations_to_o-saturations.ma
@@ -19,7 +19,7 @@ include "relations_to_o-algebra.ma".
 (* These are only conversions :-) *)
 
 definition o_operator_of_operator:
- ∀C:REL. (Ω \sup C => Ω \sup C) → (SUBSETS C ⇒ SUBSETS C).
+ ∀C:REL. (Ω \sup C => Ω \sup C) → (POW C ⇒ POW C).
  intros (C t);apply t;
 qed.