X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fdama%2Fdama_duality%2Fconstructive_connectives.ma;h=3c866b2ad8e2171aec1bcfa8e3aee85dff205483;hb=a88be1ca42c0969dbab9a5c76240f5931df876d9;hp=4d2ea5996df11e814f6a5847385f9fc0ed2da4fe;hpb=9eabe046c1182960de8cfdba96c5414224e3a61e;p=helm.git

diff --git a/helm/software/matita/contribs/dama/dama_duality/constructive_connectives.ma b/helm/software/matita/contribs/dama/dama_duality/constructive_connectives.ma
index 4d2ea5996..3c866b2ad 100644
--- a/helm/software/matita/contribs/dama/dama_duality/constructive_connectives.ma
+++ b/helm/software/matita/contribs/dama/dama_duality/constructive_connectives.ma
@@ -39,8 +39,8 @@ for @{ 'sigma ${default
   @{\lambda ${ident i} . $p}}}.
 *)
 
-interpretation "constructive exists" 'exists \eta.x = (ex _ x).
-interpretation "constructive exists (Type)" 'exists \eta.x = (exT _ x).
+interpretation "constructive exists" 'exists \eta.x = (ex ? x).
+interpretation "constructive exists (Type)" 'exists \eta.x = (exT ? x).
 
 alias id "False" = "cic:/matita/logic/connectives/False.ind#xpointer(1/1)".
 definition Not ≝ λx:Type.x → False.