X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Fsyntax%2Fprototerm_proper_constructors.ma;h=f7f921bcfb5ee6152efad51bfe57eefbff2ed0b0;hp=c5a27617ab02de792f623bf197962e0a60df4a11;hb=9e31ac1f3f868349154b0ce2e550e2476aaf6a30;hpb=797a607af83f82102033270087722a7e59ddcd17

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 c5a27617a..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
@@ -23,8 +23,3 @@ lemma ppc_iref (t) (k):
       (𝛕k.t) ϵ 𝐏.
 #t #k #p * #q #Hq #H0 destruct //
 qed.
-
-lemma ppc_iref2 (t) (k) (d):
-      (𝛕❨k,d❩.t) ϵ 𝐏.
-#t #k #d #p * #q #Hq #H0 destruct //
-qed.