X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Fsyntax%2Fprototerm_constructors_eq.ma;h=4a83b790efe57b98d423129c50c1aab43d28e71e;hb=306205b6853874cf485152222593b57249c6e7fa;hp=46e945ede9ed9b0e022b9573cbc96c3d677a7162;hpb=3bf7a0b4185dbffe5b822c907956acdbe2d1c559;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/syntax/prototerm_constructors_eq.ma b/matita/matita/contribs/lambdadelta/delayed_updating/syntax/prototerm_constructors_eq.ma
index 46e945ede..4a83b790e 100644
--- a/matita/matita/contribs/lambdadelta/delayed_updating/syntax/prototerm_constructors_eq.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/syntax/prototerm_constructors_eq.ma
@@ -19,7 +19,7 @@ include "ground/lib/subset_ext_equivalence.ma".
 
 (* Constructions with equivalence for prototerm *****************************)
 
-lemma iref_eq_repl (t1) (t2) (n):
-      t1 ⇔ t2 → 𝛕n.t1 ⇔ 𝛕n.t2.
+lemma iref_eq_repl (t1) (t2) (k):
+      t1 ⇔ t2 → 𝛕k.t1 ⇔ 𝛕k.t2.
 /2 width=1 by subset_equivalence_ext_f1_bi/
 qed.