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=46e945ede9ed9b0e022b9573cbc96c3d677a7162;hb=3bf7a0b4185dbffe5b822c907956acdbe2d1c559;hp=88f567214877cd7c3566f502dc1a29bb2897e24a;hpb=6c52017b15171aa20ddfd01c1bbf3cc22a86c81c;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 88f567214..46e945ede 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
@@ -20,6 +20,6 @@ include "ground/lib/subset_ext_equivalence.ma".
 (* Constructions with equivalence for prototerm *****************************)
 
 lemma iref_eq_repl (t1) (t2) (n):
-      t1 ⇔ t2 → 𝛗n.t1 ⇔ 𝛗n.t2.
+      t1 ⇔ t2 → 𝛕n.t1 ⇔ 𝛕n.t2.
 /2 width=1 by subset_equivalence_ext_f1_bi/
 qed.