X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2Fcontribs%2FPREDICATIVE-TOPOLOGY%2Fcoa_props.ma;h=6c004073e7390e4c2fe172cb105316be13911763;hb=7d7f729471b4d5ebafa1b915096974e726cc13c6;hp=a25f8c79a1abc8e51c70408028f0186070204513;hpb=f104e539b06bf5695f4d526d5217a581f5a9c5f5;p=helm.git

diff --git a/helm/matita/contribs/PREDICATIVE-TOPOLOGY/coa_props.ma b/helm/matita/contribs/PREDICATIVE-TOPOLOGY/coa_props.ma
index a25f8c79a..6c004073e 100644
--- a/helm/matita/contribs/PREDICATIVE-TOPOLOGY/coa_props.ma
+++ b/helm/matita/contribs/PREDICATIVE-TOPOLOGY/coa_props.ma
@@ -16,4 +16,14 @@ set "baseuri" "cic:/matita/PREDICATIVE-TOPOLOGY/coa_props".
 
 include "coa_defs.ma".
 
-theorem zero_le: \forall (P:COA). \forall (p:P). le ? (zero P) p.
+inductive True:Prop \def T:True.
+
+theorem zero_le: 
+  \forall (P:COA). \forall (p:P). (le ? (zero P) p) \to True.
+  intros.
+  exact T.
+qed.
+
+  
+  
+