X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Fsyntax%2Fprototerm_proper_constructors.ma;h=f7f921bcfb5ee6152efad51bfe57eefbff2ed0b0;hb=9e31ac1f3f868349154b0ce2e550e2476aaf6a30;hp=c7bb79244876fad03c2454df4228db67e2a6e6db;hpb=13584a37bbcde10e03c8a488f5b93e1e042da0a6;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/syntax/prototerm_proper_constructors.ma b/matita/matita/contribs/lambdadelta/delayed_updating/syntax/prototerm_proper_constructors.ma
index c7bb79244..f7f921bcf 100644
--- a/matita/matita/contribs/lambdadelta/delayed_updating/syntax/prototerm_proper_constructors.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/syntax/prototerm_proper_constructors.ma
@@ -19,7 +19,7 @@ include "delayed_updating/syntax/prototerm_constructors.ma".
 
 (* Constructions with prototerm constructors ********************************)
 
-lemma ppc_iref (t) (n):
-      (𝛗n.t) ϵ 𝐏.
-#t #n #p * #q #Hq #H0 destruct //
+lemma ppc_iref (t) (k):
+      (𝛕k.t) ϵ 𝐏.
+#t #k #p * #q #Hq #H0 destruct //
 qed.